TR 388 Mouse Pathology Tables
NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 Facility: Battelle Columbus Laboratory Chemical CAS #: 96-45-7 Lock Date: None Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 6| 6| 7| 4| 4| 7| 7| DAY ON TEST | 4| 4| 4| 4| 9| 4| 0| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 8| 9| 4| 4| 1| 9| 4| 4| | 0| 0| 0| 0| 9| 0| 5| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 7| 8| 8| 3| 1| 9| 3| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 0 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | M + + + + + + + + + + M + + + + + + A A + A + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + A A + A + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + A + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + A + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + A A + A + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + A A + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + A + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X | Hematopoietic Cell Proliferation | 2 2 2 2 2 | Hyperplasia, Lymphoid | | Infarct | 2| Inflammation, Acute | | Inflammation, Chronic Active | 2 2 | Necrosis | 1 | Centrilobular, Vacuolization | | Cytoplasmic | 3 | __________________________________________________________________________| Mesentery | + | Inflammation, Chronic Active | 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 4 | Duct, Ectasia | 3 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Perivascular, Inflammation, Chronic | | Active, Multifocal | 3 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + A + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + A + + +| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + A + + +| Dysplasia | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Bacterium, Acute, Multiple | X | Thrombosis | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Fatty | 2 3 | Hyperplasia | 2 | Hypertrophy | 2 2 2| _____________________________________________________________________________________________________________________| Page 2 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 6| 6| 7| 4| 4| 7| 7| DAY ON TEST | 4| 4| 4| 4| 9| 4| 0| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 8| 9| 4| 4| 1| 9| 4| 4| | 0| 0| 0| 0| 9| 0| 5| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 7| 8| 8| 3| 1| 9| 3| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 0 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Focal | 3 | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + M + + + + + + + + + + + M + + + + + +| Pars Distalis, Hyperplasia | 2 3 3 2 2 2 2 3 2 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | | Follicular Cell, Vacuolization | | Cytoplasmic | 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | | Dilatation | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 4 | Follicle, Cyst | X X X X X X X X X X X X| Periovarian Tissue, Cyst | X X X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | 3 | Endometrium, Hyperplasia, Cystic, | | Glandular | 3 3 3 2 2 3 3 2 3 3 3 3 3 2 3 3 2 2 3 2 2| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Lumbar, Sinus, Lymphatic, Ectasia | | Mandibular, Hyperplasia, Lymphoid | | Mandibular, Infiltration Cellular, | | Plasma Cell | 3 | Mediastinal, Hyperplasia, Lymphoid | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + M + + | Hematopoietic Cell Proliferation | 2 3 | Hemorrhage | | Hyperplasia, Lymphoid | | __________________________________________________________________________| Lymph Node, Thoracic | + + | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 2 | Hematopoietic Cell Proliferation | 2 4 3 3 | Hyperplasia, Lymphoid | | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + I + + M M A A + M + + +| _____________________________________________________________________________________________________________________| Page 3 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 6| 6| 7| 4| 4| 7| 7| DAY ON TEST | 4| 4| 4| 4| 9| 4| 0| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 8| 9| 4| 4| 1| 9| 4| 4| | 0| 0| 0| 0| 9| 0| 5| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 7| 8| 8| 3| 1| 9| 3| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 0 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + M + + + + + M M M + + + M + + + + M M M M + + +| Hyperplasia, Cystic | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 2 2 2 2 2 | Parasite External | X X X X X | Ulcer | 3 | Subcutaneous Tissue, Fibrosis | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | | Hemorrhage | | Hydrocephalus | | Perivascular, Inflammation, Chronic | | Active | 3 | __________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar Epithelium, Hyperplasia | | Interstitium, Inflammation, Acute | 3 | Mediastinum, Hyperplasia, Lymphoid | | Peribronchiolar, Inflammation, | | Chronic Active | 2 2 1 1 3 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + A + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + + | __________________________________________________________________________| Lacrimal Gland | + | Inflammation, Chronic Active | 3 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Infarct | | Pelvis, Inflammation, Suppurative | 3 | Renal Tubule, Cyst | X | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 3 | _____________________________________________________________________________________________________________________| Page 4 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 6| 3| | DAY ON TEST | 4| 4| 4| 4| 6| 4| 4| 4| 4| 4| 4| 6| 4| 4| 2| 4| 5| 5| 0| 1| 5| 6| 5| 7| 2| | | 3| 0| 7| 7| 7| 7| 8| 8| 8| 8| 9| 5| 9| 9| 4| 9| 0| 0| 1| 4| 0| 7| 0| 0| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| A | 0 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + A + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Gallbladder | + A + + + + + + + + + A + + A + + + + + + + + + A| 41 | __________________________________________________________________________|____________| Intestine Large | + M + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + M + + + + + + + + + A + + A + + + + + + + + + +| 44 | __________________________________________________________________________|____________| Intestine Large, Colon | + M + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Rectum | + M + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small | + M + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + M + + + + + + + + + + + + A + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Intestine Small, Ileum | + M + + + + + + + + + A + + + + + + + + + + + + +| 46 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + M + + + + + + + + + A + + A + + + + + + + + + +| 46 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X | 2 | Hematopoietic Cell Proliferation | 2 2 2 | 8 2.0| Hyperplasia, Lymphoid | 2 | 1 2.0| Infarct | 2 3 | 3 2.3| Inflammation, Acute | 2 | 1 2.0| Inflammation, Chronic Active | | 2 2.0| Necrosis | 1 | 2 1.0| Centrilobular, Vacuolization | | | Cytoplasmic | 4 | 2 3.5| __________________________________________________________________________|____________| Mesentery | + + + + + | 6 | Inflammation, Chronic Active | 3 | 2 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy | 4 | 2 4.0| Duct, Ectasia | 3 | 2 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Perivascular, Inflammation, Chronic | | | Active, Multifocal | | 1 3.0| __________________________________________________________________________|____________| Stomach | + M + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Stomach, Forestomach | + M + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Stomach, Glandular | + M + + + + + + + + + + + + + + + + + + + + + + +| 48 | Dysplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Bacterium, Acute, Multiple | | 1 | Thrombosis | X | 1 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 5 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 6| 3| | DAY ON TEST | 4| 4| 4| 4| 6| 4| 4| 4| 4| 4| 4| 6| 4| 4| 2| 4| 5| 5| 0| 1| 5| 6| 5| 7| 2| | | 3| 0| 7| 7| 7| 7| 8| 8| 8| 8| 9| 5| 9| 9| 4| 9| 0| 0| 1| 4| 0| 7| 0| 0| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| A | 0 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + A + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + A + + + + + + + + + + + + + + + + + + + + + + +| 49 | Degeneration, Fatty | 3 3 | 4 2.8| Hyperplasia | | 1 2.0| Hypertrophy | | 3 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + A + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Islets, Pancreatic | + A + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Focal | | 1 3.0| __________________________________________________________________________|____________| Parathyroid Gland | + M M + + + + + + + + + + M + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Pituitary Gland | + A + + + + + + + + + + + + + + + + + + + + + + +| 47 | Pars Distalis, Hyperplasia | 2 2 3 2 3 2 1 1 2 | 19 2.2| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Hyperplasia | 2 3 | 2 2.5| Follicular Cell, Vacuolization | | | Cytoplasmic | 2 2 | 3 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + | 1 | Dilatation | 3 | 1 3.0| __________________________________________________________________________|____________| Ovary | + A + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Suppurative | | 1 4.0| Follicle, Cyst | X X X X | 16 | Periovarian Tissue, Cyst | | 3 | __________________________________________________________________________|____________| Uterus | + A + + + + + + + + + + + + + + + + + + + + + + +| 48 | Dilatation | 3 | 2 3.0| Endometrium, Hyperplasia, Cystic, | | | Glandular | 2 3 2 3 2 3 3 2 2 3 2 3 3 3 3 2 3 2| 39 2.6| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + A + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Lumbar, Sinus, Lymphatic, Ectasia | 4 | 1 4.0| Mandibular, Hyperplasia, Lymphoid | 2 2 | 2 2.0| Mandibular, Infiltration Cellular, | | | Plasma Cell | | 1 3.0| Mediastinal, Hyperplasia, Lymphoid | 2 | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 6 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 6| 3| | DAY ON TEST | 4| 4| 4| 4| 6| 4| 4| 4| 4| 4| 4| 6| 4| 4| 2| 4| 5| 5| 0| 1| 5| 6| 5| 7| 2| | | 3| 0| 7| 7| 7| 7| 8| 8| 8| 8| 9| 5| 9| 9| 4| 9| 0| 0| 1| 4| 0| 7| 0| 0| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| A | 0 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + +| 14 | Hematopoietic Cell Proliferation | | 2 2.5| Hemorrhage | 2 | 1 2.0| Hyperplasia, Lymphoid | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Thoracic | | 2 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | | 1 2.0| Hematopoietic Cell Proliferation | 3 | 5 3.0| Hyperplasia, Lymphoid | 2 2 2 | 3 2.0| __________________________________________________________________________|____________| Thymus | + M + + + + + M + + + + + + M + M + + + + + + M +| 39 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + M + M M M + M + + + + + + + + + + + + + + + + M| 35 | Hyperplasia, Cystic | 4 | 1 4.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acanthosis | | 5 2.0| Parasite External | X | 6 | Ulcer | | 1 3.0| Subcutaneous Tissue, Fibrosis | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | X X | 2 | Hemorrhage | 2 2 | 2 2.0| Hydrocephalus | 2 3 | 2 2.5| Perivascular, Inflammation, Chronic | | | Active | | 1 3.0| __________________________________________________________________________|____________| Spinal Cord | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar Epithelium, Hyperplasia | 2 | 1 2.0| Interstitium, Inflammation, Acute | | 1 3.0| Mediastinum, Hyperplasia, Lymphoid | 2 | 1 2.0| Peribronchiolar, Inflammation, | | | Chronic Active | 2 2 1 1 2 3 2 | 13 1.8| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 7 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 6| 3| | DAY ON TEST | 4| 4| 4| 4| 6| 4| 4| 4| 4| 4| 4| 6| 4| 4| 2| 4| 5| 5| 0| 1| 5| 6| 5| 7| 2| | | 3| 0| 7| 7| 7| 7| 8| 8| 8| 8| 9| 5| 9| 9| 4| 9| 0| 0| 1| 4| 0| 7| 0| 0| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| A | 0 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Trachea | + A + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | + | 3 | __________________________________________________________________________|____________| Lacrimal Gland | | 1 | Inflammation, Chronic Active | | 1 3.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infarct | 2 | 1 2.0| Pelvis, Inflammation, Suppurative | | 1 3.0| Renal Tubule, Cyst | | 1 | __________________________________________________________________________|____________| Urinary Bladder | + A + + + + + + + + + A + + + + + + + + + + + + +| 48 | Inflammation, Acute | | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 8 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 4| 7| 7| 7| 7| 7| 5| 5| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 7| 6| 7| 7| DAY ON TEST | 4| 4| 4| 9| 4| 4| 4| 2| 4| 2| 5| 4| 4| 4| 4| 4| 4| 4| 1| 4| 1| 4| 9| 4| 4| | 0| 0| 0| 1| 0| 1| 1| 5| 1| 3| 5| 1| 1| 2| 2| 0| 2| 2| 2| 2| 1| 3| 8| 3| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + | __________________________________________________________________________| Gallbladder | A A M + A + + + | __________________________________________________________________________| Intestine Large | A + + + + + + + + | __________________________________________________________________________| Intestine Large, Cecum | A A + + + + + + | __________________________________________________________________________| Intestine Large, Colon | A + + + + + + + | __________________________________________________________________________| Intestine Large, Rectum | A + + + + + + + | __________________________________________________________________________| Intestine Small | A A + + + + + + + | __________________________________________________________________________| Intestine Small, Duodenum | A A + + + + + + | __________________________________________________________________________| Intestine Small, Ileum | A A + + + + + + | __________________________________________________________________________| Intestine Small, Jejunum | A A + + + + + + + | Inflammation, Chronic Active | 3 | __________________________________________________________________________| Liver | + + + A + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X| Clear Cell Focus | X | Hematopoietic Cell Proliferation | 2 | Infarct | 4 | __________________________________________________________________________| Mesentery | | __________________________________________________________________________| Pancreas | A A + + + + + + | __________________________________________________________________________| Salivary Glands | A + + + + + + + | __________________________________________________________________________| Stomach | + A A + + + + + + + | __________________________________________________________________________| Stomach, Forestomach | + A A + + + + + + + | Cyst Epithelial Inclusion | X | Hyperkeratosis, Focal | | Inflammation, Chronic Active | 3 | __________________________________________________________________________| Stomach, Glandular | A A + + + + + + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + | Hematopoietic Cell Proliferation | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + | __________________________________________________________________________| Islets, Pancreatic | A + A + + + + + + | __________________________________________________________________________| Parathyroid Gland | M + + + + + + + | __________________________________________________________________________| Pituitary Gland | + + + M + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Angiectasis | | Pars Distalis, Hyperplasia | 3 3 2 2 2 1 1 2 2 2| __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 1 2 2 2 | Follicular Cell, Vacuolization | | Cytoplasmic | 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| Page 9 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 4| 7| 7| 7| 7| 7| 5| 5| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 7| 6| 7| 7| DAY ON TEST | 4| 4| 4| 9| 4| 4| 4| 2| 4| 2| 5| 4| 4| 4| 4| 4| 4| 4| 1| 4| 1| 4| 9| 4| 4| | 0| 0| 0| 1| 0| 1| 1| 5| 1| 3| 5| 1| 1| 2| 2| 0| 2| 2| 2| 2| 1| 3| 8| 3| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ovary | + + A + + + + + + + + + + + | Follicle, Cyst | X X X X X | Periovarian Tissue, Cyst | X X X X | __________________________________________________________________________| Uterus | + A + + + + + + + + + + + + + + + | Endometrium, Hyperplasia, Cystic, | | Glandular | 3 3 3 3 2 2 3 3 3 3 2 3 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + | Femoral, Necrosis, Acute | 3 | __________________________________________________________________________| Lymph Node | A + + + + + + + + + + | Mandibular, Angiectasis | | Mandibular, Hyperplasia, Lymphoid | 3 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + | Hematopoietic Cell Proliferation | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + | Hematopoietic Cell Proliferation | 2 3 | Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Thymus | A + M + M + I M | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M + + + + + + + | __________________________________________________________________________| Skin | + + + + + + + + | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + | Compression | X | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar Epithelium, Hyperplasia | | Artery, Embolus | 2 | Peribronchiolar, Inflammation, | | Chronic Active | 2 2 2 2 1 | __________________________________________________________________________| Nose | A + + + + + + + | Nasolacrimal Duct, Inflammation, | | Acute | 2 | __________________________________________________________________________| Trachea | A + + + + + + + | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | _____________________________________________________________________________________________________________________| Page 10 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 4| 7| 7| 7| 7| 7| 5| 5| 7| 7| 7| 7| 5| 7| 7| 7| 7| 6| 7| 6| 7| 7| DAY ON TEST | 4| 4| 4| 9| 4| 4| 4| 2| 4| 2| 5| 4| 4| 4| 4| 4| 4| 4| 1| 4| 1| 4| 9| 4| 4| | 0| 0| 0| 1| 0| 1| 1| 5| 1| 3| 5| 1| 1| 2| 2| 0| 2| 2| 2| 2| 1| 3| 8| 3| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | | | Atrophy | | Lens, Cataract | 4 | Retina, Degeneration | 4 | __________________________________________________________________________| Harderian Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | A + + + + + + + | Glomerulus, Dilatation | | __________________________________________________________________________| Urinary Bladder | A + + + + + + + | _____________________________________________________________________________________________________________________| Page 11 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 8| 4| 3| 0| 5| 5| 4| 5| 5| | | 3| 3| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 7| 2| 7| 9| 0| 0| 6| 0| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| A | 0 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + | 13 | __________________________________________________________________________|____________| Gallbladder | + A + + A A | 7 | __________________________________________________________________________|____________| Intestine Large | + + + + + | 13 | __________________________________________________________________________|____________| Intestine Large, Cecum | + M + + + | 10 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + | 12 | __________________________________________________________________________|____________| Intestine Large, Rectum | + M + + + | 11 | __________________________________________________________________________|____________| Intestine Small | + + + + + | 12 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + | 11 | __________________________________________________________________________|____________| Intestine Small, Ileum | + M + + + | 10 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + | 12 | Inflammation, Chronic Active | | 1 3.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Basophilic Focus | | 1 | Clear Cell Focus | X | 2 | Hematopoietic Cell Proliferation | 3 | 2 2.5| Infarct | 3 | 2 3.5| __________________________________________________________________________|____________| Mesentery | + + | 2 | __________________________________________________________________________|____________| Pancreas | + + + + + | 11 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + | 13 | __________________________________________________________________________|____________| Stomach | + + + + + + + | 15 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + | 15 | Cyst Epithelial Inclusion | X | 2 | Hyperkeratosis, Focal | 2 | 1 2.0| Inflammation, Chronic Active | 2 | 2 2.5| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + | 11 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + | 13 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + | 13 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + | 13 | Hematopoietic Cell Proliferation | 2 | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + | 13 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + | 13 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + | 12 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + M + + + + + + +| 48 | Pars Distalis, Angiectasis | 2 | 1 2.0| Pars Distalis, Hyperplasia | 1 1 2 2 2 2 2 2 2 | 19 1.9| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 12 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 8| 4| 3| 0| 5| 5| 4| 5| 5| | | 3| 3| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 7| 2| 7| 9| 0| 0| 6| 0| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| A | 0 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Follicular Cell, Hyperplasia | 1 1 2 2 | 8 1.6| Follicular Cell, Vacuolization | | | Cytoplasmic | | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + +| 26 | Follicle, Cyst | X X X | 8 | Periovarian Tissue, Cyst | X X X X X| 9 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + +| 33 | Endometrium, Hyperplasia, Cystic, | | | Glandular | 3 3 3 3 3 3 3 3 3 3 3 2 3 3 3| 28 2.9| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + | 13 | Femoral, Necrosis, Acute | | 1 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + | 18 | Mandibular, Angiectasis | 3 | 1 3.0| Mandibular, Hyperplasia, Lymphoid | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + | 10 | Hematopoietic Cell Proliferation | 2 | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 23 | Hematopoietic Cell Proliferation | 3 | 3 2.7| Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Thymus | + + + M + | 7 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + | 13 | __________________________________________________________________________|____________| Skin | + + + + + | 13 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + | 13 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + | 13 | Compression | | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 13 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 6| 7| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 8| 4| 3| 0| 5| 5| 4| 5| 5| | | 3| 3| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 7| 2| 7| 9| 0| 0| 6| 0| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| A | 0 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ NERVOUS SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar Epithelium, Hyperplasia | 2 | 1 2.0| Artery, Embolus | | 1 2.0| Peribronchiolar, Inflammation, | | | Chronic Active | | 5 1.8| __________________________________________________________________________|____________| Nose | + + + + + | 12 | Nasolacrimal Duct, Inflammation, | | | Acute | | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + | 12 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 2 | Atrophy | 4 | 1 4.0| Lens, Cataract | | 1 4.0| Retina, Degeneration | | 1 4.0| __________________________________________________________________________|____________| Harderian Gland | + | 3 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + | 12 | Glomerulus, Dilatation | 2 | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + | 12 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 14 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 5| 6| 7| 3| 7| 7| 7| 5| 7| 7| 7| 5| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 2| 6| 0| 5| 4| 4| 4| 6| 4| 4| 4| 5| 4| 4| 5| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | 9| 8| 5| 9| 0| 0| 1| 2| 1| 2| 2| 2| 3| 3| 5| 3| 7| 7| 7| 8| 8| 8| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 100 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + | __________________________________________________________________________| Gallbladder | + + + + + + + | __________________________________________________________________________| Intestine Large | + + + + + + + | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + | __________________________________________________________________________| Intestine Small | + + + + + + + + + | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + | Peyer's Patch, Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + +| Eosinophilic Focus | X | Hematopoietic Cell Proliferation | 2 | Infarct | 3 | Centrilobular, Cytomegaly | 2 2 | __________________________________________________________________________| Pancreas | + + + + + + + | Acinus, Atrophy | | __________________________________________________________________________| Salivary Glands | + + + + + + + | __________________________________________________________________________| Stomach | + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + +| Cyst Epithelial Inclusion | X | Hyperplasia, Squamous | 3| __________________________________________________________________________| Stomach, Glandular | + + + + + + + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + | Mineralization | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + | __________________________________________________________________________| Parathyroid Gland | + + + + + + M | __________________________________________________________________________| Pituitary Gland | I + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | 3 2 1 1 2 2 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Vacuolization | | Cytoplasmic | 1 2 1 1 1 1 2 1 1 3 2 1 1 1 2 2 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | _____________________________________________________________________________________________________________________| Page 15 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 5| 6| 7| 3| 7| 7| 7| 5| 7| 7| 7| 5| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 2| 6| 0| 5| 4| 4| 4| 6| 4| 4| 4| 5| 4| 4| 5| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | 9| 8| 5| 9| 0| 0| 1| 2| 1| 2| 2| 2| 3| 3| 5| 3| 7| 7| 7| 8| 8| 8| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 100 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 2 | Thrombosis | X | Follicle, Cyst | X X X X X X X | __________________________________________________________________________| Uterus | + + + + + + + + + + + | Endometrium, Hyperplasia, Cystic, | | Glandular | 2 3 3 2 3 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + | Hematopoietic Cell Proliferation | 2 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + | __________________________________________________________________________| Thymus | + M + M + M + | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + | __________________________________________________________________________| Skin | + + + + + + + | Acanthosis | 2 2 2 2 | Parasite External | X X X X X X | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + | Tarsal, Hyperostosis | X X | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + | Compression | X | Hemorrhage | 3 | __________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Peribronchiolar, Inflammation, | | Chronic Active | 2 1 | __________________________________________________________________________| Nose | + + + + + + + | __________________________________________________________________________| Trachea | + + + + + + + | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 16 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 5| 6| 7| 3| 7| 7| 7| 5| 7| 7| 7| 5| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 2| 6| 0| 5| 4| 4| 4| 6| 4| 4| 4| 5| 4| 4| 5| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | 9| 8| 5| 9| 0| 0| 1| 2| 1| 2| 2| 2| 3| 3| 5| 3| 7| 7| 7| 8| 8| 8| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 100 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | __________________________________________________________________________| Kidney | + + + + + + + | Hemorrhage | 3 | Nephropathy, Chronic | 1 | __________________________________________________________________________| Urinary Bladder | + + + + + + + | _____________________________________________________________________________________________________________________| Page 17 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| | | DAY ON TEST | 5| 5| 1| 5| | | | 0| 0| 2| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| | T | ANIMAL ID | 0| 0| 0| 0| | A | 100 PPM | 3| 3| 3| 3| | L | 1-1 | 1| 2| 3| 4| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + | 8 | __________________________________________________________________________|____________| Gallbladder | + | 8 | __________________________________________________________________________|____________| Intestine Large | + | 8 | __________________________________________________________________________|____________| Intestine Large, Cecum | + | 8 | __________________________________________________________________________|____________| Intestine Large, Colon | + | 8 | __________________________________________________________________________|____________| Intestine Large, Rectum | + | 8 | __________________________________________________________________________|____________| Intestine Small | + | 10 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + | 8 | __________________________________________________________________________|____________| Intestine Small, Ileum | + | 8 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + | 10 | Peyer's Patch, Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Liver | + + + + | 28 | Eosinophilic Focus | X | 2 | Hematopoietic Cell Proliferation | | 1 2.0| Infarct | 2 | 2 2.5| Centrilobular, Cytomegaly | | 2 2.0| __________________________________________________________________________|____________| Pancreas | + | 8 | Acinus, Atrophy | 3 | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + | 8 | __________________________________________________________________________|____________| Stomach | + | 10 | __________________________________________________________________________|____________| Stomach, Forestomach | + | 10 | Cyst Epithelial Inclusion | | 1 | Hyperplasia, Squamous | | 1 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + | 8 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + | 8 | Mineralization | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + | 8 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + | 8 | __________________________________________________________________________|____________| Adrenal Gland, Medulla | + | 8 | __________________________________________________________________________|____________| Islets, Pancreatic | + | 8 | __________________________________________________________________________|____________| Parathyroid Gland | + | 7 | __________________________________________________________________________|____________| Pituitary Gland | + + + + | 28 | Pars Distalis, Hyperplasia | 3 | 8 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + | 29 | Follicular Cell, Vacuolization | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 18 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| | | DAY ON TEST | 5| 5| 1| 5| | | | 0| 0| 2| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| | T | ANIMAL ID | 0| 0| 0| 0| | A | 100 PPM | 3| 3| 3| 3| | L | 1-1 | 1| 2| 3| 4| | | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Cytoplasmic | 2 2 | 19 1.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Ovary | + | 20 | Angiectasis | | 2 2.5| Thrombosis | | 1 | Follicle, Cyst | X | 8 | __________________________________________________________________________|____________| Uterus | + + | 13 | Endometrium, Hyperplasia, Cystic, | | | Glandular | 3 | 7 2.6| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + | 8 | __________________________________________________________________________|____________| Lymph Node | + + | 15 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + | 8 | Hematopoietic Cell Proliferation | | 2 2.0| __________________________________________________________________________|____________| Spleen | + | 13 | __________________________________________________________________________|____________| Thymus | M | 4 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M | 8 | __________________________________________________________________________|____________| Skin | + | 8 | Acanthosis | | 4 2.0| Parasite External | | 6 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + | 9 | Tarsal, Hyperostosis | | 2 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + | 8 | Compression | | 1 | Hemorrhage | | 1 3.0| __________________________________________________________________________|____________| Spinal Cord | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 19 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| | | DAY ON TEST | 5| 5| 1| 5| | | | 0| 0| 2| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| | O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| | T | ANIMAL ID | 0| 0| 0| 0| | A | 100 PPM | 3| 3| 3| 3| | L | 1-1 | 1| 2| 3| 4| | | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Lung | + + + + | 29 | Peribronchiolar, Inflammation, | | | Chronic Active | | 2 1.5| __________________________________________________________________________|____________| Nose | + | 8 | __________________________________________________________________________|____________| Trachea | + | 8 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + | 8 | Hemorrhage | | 1 3.0| Nephropathy, Chronic | | 1 1.0| __________________________________________________________________________|____________| Urinary Bladder | + | 8 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 20 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 4| 6| 4| 4| 6| 4| 4| 4| 4| 4| 4| 4| 4| 4| 0| 4| 6| 4| 4| 4| 4| 4| 4| 4| 4| | 0| 8| 0| 0| 9| 0| 0| 0| 1| 1| 1| 1| 1| 1| 3| 2| 7| 2| 2| 2| 2| 2| 3| 3| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 333 PPM | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + | __________________________________________________________________________| Gallbladder | + + + + | __________________________________________________________________________| Intestine Large | + + + + + | __________________________________________________________________________| Intestine Large, Cecum | + + + + | __________________________________________________________________________| Intestine Large, Colon | + + + + + | __________________________________________________________________________| Intestine Large, Rectum | + + + + | __________________________________________________________________________| Intestine Small | + + + + + | __________________________________________________________________________| Intestine Small, Duodenum | + + + + | __________________________________________________________________________| Intestine Small, Ileum | + + + + | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X | Clear Cell Focus | X | Eosinophilic Focus | X X X X X | Hematopoietic Cell Proliferation | 2 | Infarct | 3 | Necrosis | 1 | Vacuolization Cytoplasmic | 2 | Bile Duct, Mineralization, Multifocal| 2 | Centrilobular, Cytomegaly | 2 2 2 2 2 1 2 2 | Centrilobular, Necrosis | 2 | Centrilobular, Vacuolization | | Cytoplasmic | 3 | Oval Cell, Hyperplasia | 3 | __________________________________________________________________________| Mesentery | + | Inflammation, Chronic Active | 4 | __________________________________________________________________________| Pancreas | + + + + | Acinus, Atrophy | 3 | Acinus, Inflammation, Chronic Active | 3 | __________________________________________________________________________| Salivary Glands | + + + + | __________________________________________________________________________| Stomach | + + + + + + | __________________________________________________________________________| Stomach, Forestomach | + + + + + + | Acanthosis | 4 | __________________________________________________________________________| Stomach, Glandular | + + + + | Subserosa, Inflammation, Chronic | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + | Mineralization | 2 | Thrombosis | X | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + | _____________________________________________________________________________________________________________________| Page 21 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 4| 6| 4| 4| 6| 4| 4| 4| 4| 4| 4| 4| 4| 4| 0| 4| 6| 4| 4| 4| 4| 4| 4| 4| 4| | 0| 8| 0| 0| 9| 0| 0| 0| 1| 1| 1| 1| 1| 1| 3| 2| 7| 2| 2| 2| 2| 2| 3| 3| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 333 PPM | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + | Hyperplasia | | __________________________________________________________________________| Islets, Pancreatic | + + + + | __________________________________________________________________________| Parathyroid Gland | + + + + | __________________________________________________________________________| Pituitary Gland | + + + + + + + M + + + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | 3 2 2 1 2 3 2 2 3 2 2 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 2 3 2 1 | Follicular Cell, Vacuolization | | Cytoplasmic | 2 2 2 2 3 3 3 2 3 3 3 2 3 4 3 4 2 3 3 2 1 3 3 3 3| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ovary | + + + + + + + + | Follicle, Cyst | X X X X | Periovarian Tissue, Cyst | X | __________________________________________________________________________| Uterus | + + + + + + + + + +| Endometrium, Hyperplasia, Cystic, | | Glandular | 3 3 3 3 2 3 3| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + | Angiectasis | | __________________________________________________________________________| Lymph Node | + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + +| Hematopoietic Cell Proliferation | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + | Hematopoietic Cell Proliferation | 3 3 | Hyperplasia, Lymphoid | 2 2 | __________________________________________________________________________| Thymus | + + + + M | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + | __________________________________________________________________________| Skin | + + + + | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + | Tarsal, Hyperostosis | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | _____________________________________________________________________________________________________________________| Page 22 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 4| 6| 4| 4| 6| 4| 4| 4| 4| 4| 4| 4| 4| 4| 0| 4| 6| 4| 4| 4| 4| 4| 4| 4| 4| | 0| 8| 0| 0| 9| 0| 0| 0| 1| 1| 1| 1| 1| 1| 3| 2| 7| 2| 2| 2| 2| 2| 3| 3| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 333 PPM | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Peribronchiolar, Inflammation, | | Chronic Active | 2 | __________________________________________________________________________| Nose | + + + + | __________________________________________________________________________| Trachea | + + + + | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Atrophy | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + | Nephropathy, Chronic | 1 | __________________________________________________________________________| Urinary Bladder | + + + + + | _____________________________________________________________________________________________________________________| Page 23 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 7| 6| 4| 4| 2| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 4| 5| | | 4| 7| 3| 3| 9| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 3| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | 333 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| L | 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + | 8 | __________________________________________________________________________|____________| Gallbladder | + + + A | 7 | __________________________________________________________________________|____________| Intestine Large | + + + + | 9 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + A | 7 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + | 9 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + A | 7 | __________________________________________________________________________|____________| Intestine Small | + + + + | 9 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + | 8 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + A | 7 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + A | 8 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | | 3 | Clear Cell Focus | | 1 | Eosinophilic Focus | X X X X X X | 11 | Hematopoietic Cell Proliferation | | 1 2.0| Infarct | 2 3 2 3 | 5 2.6| Necrosis | | 1 1.0| Vacuolization Cytoplasmic | | 1 2.0| Bile Duct, Mineralization, Multifocal| | 1 2.0| Centrilobular, Cytomegaly | 2 2 2 | 11 1.9| Centrilobular, Necrosis | | 1 2.0| Centrilobular, Vacuolization | | | Cytoplasmic | | 1 3.0| Oval Cell, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Mesentery | | 1 | Inflammation, Chronic Active | | 1 4.0| __________________________________________________________________________|____________| Pancreas | + + + A | 7 | Acinus, Atrophy | | 1 3.0| Acinus, Inflammation, Chronic Active | | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + | 8 | __________________________________________________________________________|____________| Stomach | + + + + + | 11 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + | 11 | Acanthosis | 2 | 2 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + | 8 | Subserosa, Inflammation, Chronic | | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + | 8 | Mineralization | | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 24 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 7| 6| 4| 4| 2| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 4| 5| | | 4| 7| 3| 3| 9| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 3| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | 333 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| L | 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | Thrombosis | | 1 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + | 8 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + | 8 | __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + | 8 | Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + A | 7 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + | 8 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Pars Distalis, Hyperplasia | 2 2 2 3 2 2 2 1 3 2| 22 2.1| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Hyperplasia | 2 3 2 2 2 2 2 2 2 | 13 2.1| Follicular Cell, Vacuolization | | | Cytoplasmic | 2 3 3 3 1 3 3 3 1 3 3 3 3 3 4 3 3 2 3 4 4 4 2 3| 49 2.8| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Ovary | + + + + + + + | 15 | Follicle, Cyst | X X | 6 | Periovarian Tissue, Cyst | X | 2 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + | 19 | Endometrium, Hyperplasia, Cystic, | | | Glandular | 2 3 3 3 3 2 | 13 2.8| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + | 8 | Angiectasis | 3 | 1 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + | 19 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + | 12 | Hematopoietic Cell Proliferation | 2 2 | 2 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + +| 28 | Hematopoietic Cell Proliferation | 3 3 3 2 | 6 2.8| Hyperplasia, Lymphoid | | 2 2.0| __________________________________________________________________________|____________| Thymus | + M M + | 6 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 25 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 6| 6| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 7| 6| 4| 4| 2| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 4| 5| | | 4| 7| 3| 3| 9| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 3| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| A | 333 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| L | 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + | 8 | __________________________________________________________________________|____________| Skin | + + + + | 8 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + | 9 | Tarsal, Hyperostosis | X | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + | 8 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Peribronchiolar, Inflammation, | | | Chronic Active | 3 3 2 2 3 2| 7 2.4| __________________________________________________________________________|____________| Nose | + + + + | 8 | __________________________________________________________________________|____________| Trachea | + + + + | 8 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + + | 2 | Atrophy | 4 4 | 2 4.0| __________________________________________________________________________|____________| Harderian Gland | + + + | 4 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + | 11 | Nephropathy, Chronic | | 1 1.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + | 9 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 26 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 6| 7| 7| 7| 7| 6| 6| DAY ON TEST | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 6| 4| 8| 4| 0| 4| 4| 4| 4| 9| 8| | 0| 8| 7| 8| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 0| 2| 8| 2| 5| 2| 2| 3| 3| 8| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 333 PPM | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Large, Rectum | + + + M + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | | Eosinophilic Focus | X | Fatty Change, Focal | | Hematopoietic Cell Proliferation | 2 2 4 3 | Infarct | 3 2 | Inflammation, Chronic Active | 3 | Centrilobular, Cytomegaly | 2 2 1 2 1 | Centrilobular, Necrosis, Acute | | __________________________________________________________________________| Mesentery | + | Inflammation, Chronic Active | 4 | __________________________________________________________________________| Pancreas | + + + + + + + + +| Acinus, Atrophy | 3 | Duct, Ectasia | 3 | __________________________________________________________________________| Salivary Glands | + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + +| Diverticulum | 2 | Hyperplasia, Squamous | 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + +| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + +| Bacterium, Acute, Multiple | | Degeneration, Chronic | 4 | Inflammation, Acute | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + +| Hypertrophy | 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + +| Hyperplasia | 2 | _____________________________________________________________________________________________________________________| Page 27 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 6| 7| 7| 7| 7| 6| 6| DAY ON TEST | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 6| 4| 8| 4| 0| 4| 4| 4| 4| 9| 8| | 0| 8| 7| 8| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 0| 2| 8| 2| 5| 2| 2| 3| 3| 8| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 333 PPM | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | M + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + I + + + + + + +| Pars Distalis, Hyperplasia | 2 2 3 2 2 3 2 2 4 2| __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 2 2 3 2 2 2 2| Follicular Cell, Vacuolization | | Cytoplasmic | 3 3 2 2 4 3 2 3 3 2 3 3 3 3 2 4 2 3 3 3 3 3 3 2 3| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | | Dilatation | | __________________________________________________________________________| Ovary | + + + + + + + M + + + +| Follicle, Cyst | X X X X X | Periovarian Tissue, Cyst | X | __________________________________________________________________________| Uterus | + + + + + + + + + + +| Endometrium, Hyperplasia, Cystic, | | Glandular | 2 2 3 3 3 3 3| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + M + +| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + M + +| Hematopoietic Cell Proliferation | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 3 | Hyperplasia, Lymphoid | 2 4 | Necrosis, Acute | | __________________________________________________________________________| Thymus | + + M + + + + +| Depletion Lymphoid | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M + + + + + + + +| __________________________________________________________________________| Skin | + + + + + + + +| Acanthosis | 2 2 2 | Parasite External | X X X X X| Subcutaneous Tissue, Inflammation, | | Chronic Active | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + +| _____________________________________________________________________________________________________________________| Page 28 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 6| 7| 6| 7| 7| 7| 7| 6| 6| DAY ON TEST | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 6| 4| 8| 4| 0| 4| 4| 4| 4| 9| 8| | 0| 8| 7| 8| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 0| 2| 8| 2| 5| 2| 2| 3| 3| 8| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 333 PPM | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar Epithelium, Hyperplasia | | Peribronchiolar, Inflammation, | | Chronic Active | 2 | __________________________________________________________________________| Nose | + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Atrophy | | __________________________________________________________________________| Harderian Gland | | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + +| Renal Tubule, Dilatation | 3 | __________________________________________________________________________| Urinary Bladder | M + + + + + + +| Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| Page 29 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 4| 7| 4| 0| 4| 4| 4| 4| 2| 4| 0| 4| 4| 4| 6| 4| 4| 8| 4| 4| 4| 5| 5| 4| 5| | | 3| 7| 3| 6| 3| 7| 7| 7| 1| 7| 9| 8| 8| 8| 3| 1| 9| 8| 9| 9| 9| 0| 0| 9| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 333 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| L | 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + | 16 | __________________________________________________________________________|____________| Gallbladder | + A + + A M + A | 12 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + | 16 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + A + A | 14 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + | 16 | Parasite Metazoan | X | 1 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + A + + | 14 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + | 19 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + A | 14 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + M + A | 13 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + | 19 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X | 2 | Eosinophilic Focus | X X X | 4 | Fatty Change, Focal | 1 | 1 1.0| Hematopoietic Cell Proliferation | | 4 2.8| Infarct | 3 3 3 4 | 6 3.0| Inflammation, Chronic Active | | 1 3.0| Centrilobular, Cytomegaly | 2 1 1 | 8 1.5| Centrilobular, Necrosis, Acute | 3 | 1 3.0| __________________________________________________________________________|____________| Mesentery | | 1 | Inflammation, Chronic Active | | 1 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + A | 16 | Acinus, Atrophy | | 1 3.0| Duct, Ectasia | | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + M | 15 | __________________________________________________________________________|____________| Stomach | + + + + + A + + + | 17 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + A + + + | 17 | Diverticulum | | 1 2.0| Hyperplasia, Squamous | 1 2 | 3 1.7| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + A + + | 15 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + | 16 | Bacterium, Acute, Multiple | 3 3 | 2 3.0| Degeneration, Chronic | | 1 4.0| Inflammation, Acute | 2 3 | 2 2.5| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 30 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 4| 7| 4| 0| 4| 4| 4| 4| 2| 4| 0| 4| 4| 4| 6| 4| 4| 8| 4| 4| 4| 5| 5| 4| 5| | | 3| 7| 3| 6| 3| 7| 7| 7| 1| 7| 9| 8| 8| 8| 3| 1| 9| 8| 9| 9| 9| 0| 0| 9| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 333 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| L | 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + | 16 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + | 16 | Hypertrophy | | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + | 16 | Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + A | 15 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + | 15 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + I + + + + + + + + + + + + + + + +| 48 | Pars Distalis, Hyperplasia | 2 2 2 3 2 2 2 2 2 2 2 2 2| 23 2.2| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Hyperplasia | 2 2 1 2 2 1 2 2 3 2 | 17 2.0| Follicular Cell, Vacuolization | | | Cytoplasmic | 3 3 3 3 2 3 3 3 3 3 2 3 3 3 2 2 4 2 3 4 2 4 3 2| 49 2.8| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + | 1 | Dilatation | 3 | 1 3.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + +| 24 | Follicle, Cyst | X X X X X X| 11 | Periovarian Tissue, Cyst | X X | 3 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + | 20 | Endometrium, Hyperplasia, Cystic, | | | Glandular | 3 | 8 2.8| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + | 16 | __________________________________________________________________________|____________| Lymph Node | + A + + + + + + + + + + +| 25 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | A + + + + + + | 14 | Hematopoietic Cell Proliferation | 2 | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + +| 31 | Hematopoietic Cell Proliferation | 3 2 2 3 | 6 2.7| Hyperplasia, Lymphoid | 2 | 3 2.7| Necrosis, Acute | 3 | 1 3.0| __________________________________________________________________________|____________| Thymus | + M + + + M + M | 12 | Depletion Lymphoid | | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 31 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 4| 7| 4| 0| 4| 4| 4| 4| 2| 4| 0| 4| 4| 4| 6| 4| 4| 8| 4| 4| 4| 5| 5| 4| 5| | | 3| 7| 3| 6| 3| 7| 7| 7| 1| 7| 9| 8| 8| 8| 3| 1| 9| 8| 9| 9| 9| 0| 0| 9| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| A | 333 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| L | 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + | 16 | __________________________________________________________________________|____________| Skin | + + + + + + + + | 16 | Acanthosis | 3 2 2 2 2 | 8 2.1| Parasite External | X X X X X X | 11 | Subcutaneous Tissue, Inflammation, | | | Chronic Active | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + | 16 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + | 16 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar Epithelium, Hyperplasia | 2 | 1 2.0| Peribronchiolar, Inflammation, | | | Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + | 16 | __________________________________________________________________________|____________| Trachea | + + + + + + + + | 16 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 1 | Atrophy | 4 | 1 4.0| __________________________________________________________________________|____________| Harderian Gland | + | 1 | Inflammation, Chronic Active | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + | 16 | Renal Tubule, Dilatation | | 1 3.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + A + A | 13 | Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 32 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| DAY ON TEST | 0| 3| 2| 9| 4| 4| 3| 1| 4| 4| 3| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 4| 4| 4| 4| | 1| 8| 5| 8| 0| 0| 8| 0| 1| 1| 8| 0| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 333 PPM | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + | __________________________________________________________________________| Gallbladder | + + + + + + + A M + | __________________________________________________________________________| Intestine Large | + + + + + + + + + + | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + | Necrosis | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | | Clear Cell Focus | | Eosinophilic Focus | X X X X| Hematopoietic Cell Proliferation | 2 3 | Infarct | 3 3 2 | Inflammation, Acute | 3 | Inflammation, Chronic Active | 1 | Centrilobular, Cytomegaly | 2 2 1 1 1 2 | __________________________________________________________________________| Mesentery | + | __________________________________________________________________________| Pancreas | + + + + + + + + + + + | Acinus, Atrophy | 3 2 | Duct, Ectasia | 3 3 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + | __________________________________________________________________________| Stomach | + + + + + + + + + + | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + | Inflammation, Chronic | 2 | Interstitium, Hyperplasia, Diffuse | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + | Hypertrophy | 3 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + I + +| Pars Distalis, Hyperplasia | 2 2 2 2 3 2 3 2 3 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 33 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| DAY ON TEST | 0| 3| 2| 9| 4| 4| 3| 1| 4| 4| 3| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 4| 4| 4| 4| | 1| 8| 5| 8| 0| 0| 8| 0| 1| 1| 8| 0| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 333 PPM | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Follicular Cell, Hyperplasia | 2 2 2 2 3 2 2 3 2 2| Follicular Cell, Vacuolization | | Cytoplasmic | 2 3 2 2 2 2 2 1 3 3 2 3 3 3 3 2 3 3 3 2 2 2 3 3 3| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + | Hemorrhage | 4 | Inflammation, Suppurative | 4 4 | Follicle, Cyst | X X X X X X | Periovarian Tissue, Cyst | X X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + | Angiectasis | 2 | Dilatation | 3 2 | Endometrium, Hyperplasia, Cystic, | | Glandular | 2 2 3 3 1 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + | Femoral, Hyperplasia, Neutrophil | | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + | Mandibular, Hyperplasia, Lymphoid | 2 | Mandibular, Hyperplasia, Reticulum | | Cell | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + | Hematopoietic Cell Proliferation | 3 | Inflammation, Chronic Active | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + +| Fibrosis | 2 | Hematopoietic Cell Proliferation | 2 | Hyperplasia, Lymphoid | | __________________________________________________________________________| Thymus | M + + + M + M + M M | Depletion Lymphoid | 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + M M | __________________________________________________________________________| Skin | + + + + + + + + + + | Parasite External | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | _____________________________________________________________________________________________________________________| Page 34 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 7| 7| 7| DAY ON TEST | 0| 3| 2| 9| 4| 4| 3| 1| 4| 4| 3| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 4| 4| 4| 4| | 1| 8| 5| 8| 0| 0| 8| 0| 1| 1| 8| 0| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 333 PPM | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM - cont | | | | | | __________________________________________________________________________| Brain | + + + + + + + + + + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar Epithelium, Hyperplasia | 2 | Peribronchiolar, Inflammation, | | Chronic Active | 2 | __________________________________________________________________________| Nose | + + + + + + + + + + | __________________________________________________________________________| Trachea | + + + + + + + + + | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + | Glomerulus, Inflammation, Acute | 3 | Glomerulus, Inflammation, Chronic | 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + | _____________________________________________________________________________________________________________________| Page 35 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 3| 4| 4| 4| 4| 4| 6| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 4| 4| 5| 5| 5| 5| 1| 5| | | 4| 3| 7| 7| 7| 7| 5| 7| 8| 8| 8| 8| 8| 9| 9| 9| 0| 9| 9| 0| 0| 0| 0| 9| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 333 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| L | 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + | 14 | __________________________________________________________________________|____________| Gallbladder | A A A A | 8 | __________________________________________________________________________|____________| Intestine Large | + + A A | 12 | __________________________________________________________________________|____________| Intestine Large, Cecum | + A A A | 11 | __________________________________________________________________________|____________| Intestine Large, Colon | + + A A | 12 | __________________________________________________________________________|____________| Intestine Large, Rectum | + A A A | 11 | __________________________________________________________________________|____________| Intestine Small | + A A + | 13 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + A A A | 11 | __________________________________________________________________________|____________| Intestine Small, Ileum | + A A A | 11 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + A A + | 13 | Necrosis | 4 | 1 4.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X | 1 | Clear Cell Focus | X | 1 | Eosinophilic Focus | X X X X X X X X X X| 14 | Hematopoietic Cell Proliferation | | 2 2.5| Infarct | 3 | 4 2.8| Inflammation, Acute | | 1 3.0| Inflammation, Chronic Active | | 1 1.0| Centrilobular, Cytomegaly | 2 2 2| 9 1.7| __________________________________________________________________________|____________| Mesentery | | 1 | __________________________________________________________________________|____________| Pancreas | + A A + | 13 | Acinus, Atrophy | | 2 2.5| Duct, Ectasia | | 2 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + | 14 | __________________________________________________________________________|____________| Stomach | + + + + A | 14 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + A | 14 | __________________________________________________________________________|____________| Stomach, Glandular | + + + A | 13 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + | 14 | Inflammation, Chronic | | 1 2.0| Interstitium, Hyperplasia, Diffuse | | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | I + + A | 12 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | I + + A | 11 | Hypertrophy | | 1 3.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | I + + A | 11 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 36 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 3| 4| 4| 4| 4| 4| 6| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 4| 4| 5| 5| 5| 5| 1| 5| | | 4| 3| 7| 7| 7| 7| 5| 7| 8| 8| 8| 8| 8| 9| 9| 9| 0| 9| 9| 0| 0| 0| 0| 9| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 333 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| L | 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Islets, Pancreatic | + A A + | 12 | __________________________________________________________________________|____________| Parathyroid Gland | M + + M | 12 | __________________________________________________________________________|____________| Pituitary Gland | M + + + + + + + + + + + + + + + M + + + + + + + +| 47 | Pars Distalis, Hyperplasia | 2 2 2 2 2 2 2 3 2 | 18 2.2| __________________________________________________________________________|____________| Thyroid Gland | M + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Follicular Cell, Hyperplasia | 2 2 3 2 2 2 2 3 2 2 2 3| 22 2.2| Follicular Cell, Vacuolization | | | Cytoplasmic | 2 3 2 2 1 3 3 3 3 3 2 3 3 2 3 2 3 1 3| 44 2.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Ovary | + + M + + + + + +| 25 | Hemorrhage | | 1 4.0| Inflammation, Suppurative | | 2 4.0| Follicle, Cyst | X X | 8 | Periovarian Tissue, Cyst | X X| 4 | __________________________________________________________________________|____________| Uterus | + + + + + + A | 20 | Angiectasis | 2 | 2 2.0| Dilatation | | 2 2.5| Endometrium, Hyperplasia, Cystic, | | | Glandular | 2 2 3 | 9 2.3| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + A + | 13 | Femoral, Hyperplasia, Neutrophil | 3 | 1 3.0| __________________________________________________________________________|____________| Lymph Node | M + + + + + + + A | 19 | Mandibular, Hyperplasia, Lymphoid | | 1 2.0| Mandibular, Hyperplasia, Reticulum | | | Cell | 3 | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + | 9 | Hematopoietic Cell Proliferation | | 1 3.0| Inflammation, Chronic Active | 4 | 1 4.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + M| 34 | Fibrosis | | 1 2.0| Hematopoietic Cell Proliferation | 3 3 3 4 | 5 3.0| Hyperplasia, Lymphoid | 2 4 4 | 3 3.3| __________________________________________________________________________|____________| Thymus | M M M M | 5 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 37 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 7| | DAY ON TEST | 3| 4| 4| 4| 4| 4| 6| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 4| 4| 5| 5| 5| 5| 1| 5| | | 4| 3| 7| 7| 7| 7| 5| 7| 8| 8| 8| 8| 8| 9| 9| 9| 0| 9| 9| 0| 0| 0| 0| 9| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 333 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| L | 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Depletion Lymphoid | | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + M + | 11 | __________________________________________________________________________|____________| Skin | + + + + + | 15 | Parasite External | X | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + | 14 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + | 14 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar Epithelium, Hyperplasia | | 1 2.0| Peribronchiolar, Inflammation, | | | Chronic Active | 2| 2 2.0| __________________________________________________________________________|____________| Nose | M + + + | 13 | __________________________________________________________________________|____________| Trachea | M + + A | 11 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + | 15 | Glomerulus, Inflammation, Acute | | 1 3.0| Glomerulus, Inflammation, Chronic | | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + A A A | 11 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 38 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 6| 7| 7| 7| 7| 7| 7| 0| 6| 6| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 5| 4| 4| 4| 4| 4| 4| 1| 7| 5| 4| 4| 1| 1| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | 7| 0| 0| 0| 0| 1| 1| 3| 4| 3| 1| 1| 4| 9| 2| 2| 2| 2| 3| 3| 3| 3| 0| 7| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1000 PPM | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + M + M + + + + + M + + A M + + + + + + + + M + M| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Eosinophilic Focus | X X | Hematopoietic Cell Proliferation | | Hyperplasia, Lymphoid | | Infarct | 2 2 3 3 3 3 2 2 | Mixed Cell Focus | | Centrilobular, Vacuolization | | Cytoplasmic | | __________________________________________________________________________| Mesentery | + + | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 4 | Duct, Ectasia | 3 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + M + + + + + + + + + + + +| Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 2 | Diverticulum | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 3 | Mineralization | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | X | Hematopoietic Cell Proliferation | 3 | Hypertrophy | | _____________________________________________________________________________________________________________________| Page 39 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 6| 7| 7| 7| 7| 7| 7| 0| 6| 6| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 5| 4| 4| 4| 4| 4| 4| 1| 7| 5| 4| 4| 1| 1| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | 7| 0| 0| 0| 0| 1| 1| 3| 4| 3| 1| 1| 4| 9| 2| 2| 2| 2| 3| 3| 3| 3| 0| 7| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1000 PPM | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage, Chronic | 3 | Hyperplasia | 3 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + M M + + M + + + + + M + + M + M M M + M + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + M + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | 3 2 3 3 3 2 2 3 2 3 3 2 3 3 3 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 4 2 3 4 2 3 3 4 4 3 4 2 3 3 3 3 3 3 3 2 3| Follicular Cell, Vacuolization | | Cytoplasmic | 1 2 2 3 3 2 2 3 3 3 3 3 3 3 1 2 3 2 3 3 3 3| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Tubular | 2 | Follicle, Cyst | X X X X X X | Periovarian Tissue, Cyst | X | Periovarian Tissue, Hyperplasia, | | Lymphoid | 2 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + | Dilatation | 4 | Endometrium, Hyperplasia, Cystic, | | Glandular | 2 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + I + + + + + +| Femoral, Hyperplasia, Neutrophil | 4 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Mandibular, Hyperplasia, Lymphoid | 2 2 2 2 | Mediastinal, Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + | Inflammation, Chronic Active | 4 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + A + +| Hyperplasia, Lymphoid | 2 2 2 2 | __________________________________________________________________________| Thymus | + M + + + M M + M M + M M M M + M + M M M M M + M| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M + + + + M + + M + M + M M + + M + + + + + M M +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 2 1 2 2 2 2 2| Parasite External | X X X X X X X X X X| _____________________________________________________________________________________________________________________| Page 40 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 6| 7| 7| 7| 7| 7| 7| 0| 6| 6| 7| 7| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 5| 4| 4| 4| 4| 4| 4| 1| 7| 5| 4| 4| 1| 1| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | 7| 0| 0| 0| 0| 1| 1| 3| 4| 3| 1| 1| 4| 9| 2| 2| 2| 2| 3| 3| 3| 3| 0| 7| 7| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 1000 PPM | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Lip, Inflammation, Chronic | 2 | Subcutaneous Tissue, Inflammation, | | Chronic Active | 2 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | 2 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 2 2 2 2 | Alveolar Epithelium, Hyperplasia | 2 | Peribronchiolar, Inflammation, | | Chronic Active | 2 2 4 2 2 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Mucosa, Inflammation, Acute | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Atrophy | 4 | __________________________________________________________________________| Harderian Gland | + + | Inflammation, Chronic Active | 4 | Acinus, Dilatation | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + M + +| Hyperplasia, Lymphoid | 2 2 | _____________________________________________________________________________________________________________________| Page 41 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 7| 7| 4| 6| 7| 6| 7| 7| 5| 7| 7| 6| 7| 7| 7| 6| 6| 6| 7| | DAY ON TEST | 4| 9| 4| 4| 4| 9| 3| 3| 9| 9| 4| 9| 4| 2| 3| 4| 4| 9| 5| 5| 5| 6| 1| 6| 5| | | 7| 1| 8| 8| 8| 1| 5| 3| 9| 1| 9| 7| 9| 6| 9| 9| 9| 8| 0| 0| 0| 3| 1| 3| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 1000 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| L | 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Gallbladder | + + M + + + + + + + + + M + A + M + + + + + + + +| 39 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 3 | 1 3.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Parasite Metazoan | X | 3 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 2 | 1 2.0| Eosinophilic Focus | X | 3 | Hematopoietic Cell Proliferation | 3 | 1 3.0| Hyperplasia, Lymphoid | 2 | 1 2.0| Infarct | 2 3 3 2 3 | 13 2.5| Mixed Cell Focus | X | 1 | Centrilobular, Vacuolization | | | Cytoplasmic | 4 | 1 4.0| __________________________________________________________________________|____________| Mesentery | | 2 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy | | 1 4.0| Duct, Ectasia | | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Acanthosis | | 1 2.0| Diverticulum | 2| 1 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic | | 1 3.0| Mineralization | | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 42 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 7| 7| 4| 6| 7| 6| 7| 7| 5| 7| 7| 6| 7| 7| 7| 6| 6| 6| 7| | DAY ON TEST | 4| 9| 4| 4| 4| 9| 3| 3| 9| 9| 4| 9| 4| 2| 3| 4| 4| 9| 5| 5| 5| 6| 1| 6| 5| | | 7| 1| 8| 8| 8| 1| 5| 3| 9| 1| 9| 7| 9| 6| 9| 9| 9| 8| 0| 0| 0| 3| 1| 3| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 1000 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| L | 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Accessory Adrenal Cortical Nodule | | 1 | Hematopoietic Cell Proliferation | | 1 3.0| Hypertrophy | 2 | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage, Chronic | | 1 3.0| Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | M M + M + + + M M M + + + M + + M + + M M + + + +| 31 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Pars Distalis, Hyperplasia | 3 2 2 2 3 3 2 2 3 3 3| 27 2.6| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Hyperplasia | 3 3 3 3 3 3 2 3 2 3 2 3 3 2 2 2 3 2 3 3 2 3 2 3 2| 46 2.8| Follicular Cell, Vacuolization | | | Cytoplasmic | 2 3 3 2 3 3 3 3 3 3 3 3 3 2 2 3 2 3 3 3 3 3 3 3 3| 47 2.7| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Tubular | | 1 2.0| Follicle, Cyst | X X | 8 | Periovarian Tissue, Cyst | X | 2 | Periovarian Tissue, Hyperplasia, | | | Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Dilatation | 3 | 2 3.5| Endometrium, Hyperplasia, Cystic, | | | Glandular | 3 3 2 2 2 3 | 8 2.4| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Femoral, Hyperplasia, Neutrophil | | 1 4.0| __________________________________________________________________________|____________| Lymph Node | + M + M + + + + + + + + + + A + + + + + + + + + +| 47 | Mandibular, Hyperplasia, Lymphoid | | 4 2.0| Mediastinal, Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + | 4 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 43 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 7| 7| 4| 6| 7| 6| 7| 7| 5| 7| 7| 6| 7| 7| 7| 6| 6| 6| 7| | DAY ON TEST | 4| 9| 4| 4| 4| 9| 3| 3| 9| 9| 4| 9| 4| 2| 3| 4| 4| 9| 5| 5| 5| 6| 1| 6| 5| | | 7| 1| 8| 8| 8| 1| 5| 3| 9| 1| 9| 7| 9| 6| 9| 9| 9| 8| 0| 0| 0| 3| 1| 3| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 1000 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| L | 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Inflammation, Chronic Active | | 1 4.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Lymphoid | 2 2 | 6 2.0| __________________________________________________________________________|____________| Thymus | + + + M + M M + + + + + M + M + M M M + M + M M +| 23 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M M + M M + M M M + + + + M + + + + + + + + + + +| 33 | __________________________________________________________________________|____________| Skin | + + + + + + M + + + + + + + + + + + + + + + + + +| 49 | Acanthosis | 2 3 2 2 1 2 2 2 2 2| 17 1.9| Parasite External | X X X X X X X X X X X X| 22 | Lip, Inflammation, Chronic | | 1 2.0| Subcutaneous Tissue, Inflammation, | | | Chronic Active | | 2 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | | 2 2.5| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Lymphoid | 2 | 5 2.0| Alveolar Epithelium, Hyperplasia | | 1 2.0| Peribronchiolar, Inflammation, | | | Chronic Active | 1 2 2 | 9 2.1| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | Mucosa, Inflammation, Acute | 3 | 1 3.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | 1 | Atrophy | | 1 4.0| __________________________________________________________________________|____________| Harderian Gland | + + | 4 | Inflammation, Chronic Active | | 1 4.0| Acinus, Dilatation | 3 2 | 2 2.5| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 44 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 7| 7| 4| 6| 7| 6| 7| 7| 5| 7| 7| 6| 7| 7| 7| 6| 6| 6| 7| | DAY ON TEST | 4| 9| 4| 4| 4| 9| 3| 3| 9| 9| 4| 9| 4| 2| 3| 4| 4| 9| 5| 5| 5| 6| 1| 6| 5| | | 7| 1| 8| 8| 8| 1| 5| 3| 9| 1| 9| 7| 9| 6| 9| 9| 9| 8| 0| 0| 0| 3| 1| 3| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 1000 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| L | 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Chronic | 2 | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Lymphoid | 2 2 | 4 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 45 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 6| 7| 7| 6| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 5| 7| 6| 7| 7| 7| 7| 6| 7| 7| 2| DAY ON TEST | 9| 4| 4| 4| 4| 4| 4| 7| 8| 0| 4| 4| 4| 4| 4| 4| 8| 3| 4| 4| 0| 7| 4| 0| 7| | 7| 0| 0| 0| 0| 0| 1| 9| 3| 1| 1| 1| 2| 2| 2| 2| 0| 3| 3| 3| 9| 8| 3| 9| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 1000 PPM | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + + + A + + + + A + + + + + A + + M + + + M M + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Eosinophilic Focus | X | Hematopoietic Cell Proliferation | 3| Infarct | 4 2 4 3 3 3 3 4 3 2 | Infiltration Cellular, Multifocal, | | Histiocyte | | Inflammation, Chronic Active | | Centrilobular, Cytomegaly | 3 2 1 | __________________________________________________________________________| Mesentery | +| Inflammation, Chronic Active | 3| __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | | Duct, Ectasia | | Perivascular, Inflammation, Chronic | | Active | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Perivascular, Inflammation, Chronic | | Active, Multifocal | | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 3 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Chronic | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypertrophy | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + M M M M M M M + M M + + + + + M + + + M M M M +| _____________________________________________________________________________________________________________________| Page 46 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 6| 7| 7| 6| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 5| 7| 6| 7| 7| 7| 7| 6| 7| 7| 2| DAY ON TEST | 9| 4| 4| 4| 4| 4| 4| 7| 8| 0| 4| 4| 4| 4| 4| 4| 8| 3| 4| 4| 0| 7| 4| 0| 7| | 7| 0| 0| 0| 0| 0| 1| 9| 3| 1| 1| 1| 2| 2| 2| 2| 0| 3| 3| 3| 9| 8| 3| 9| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 1000 PPM | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Pituitary Gland | + + + M + + + + + M + + + + + + + + + + + + + + +| Pars Distalis, Cyst | X | Pars Distalis, Hyperplasia | 3 3 3 2 3 2 3 2 2 2 2 2 2 3 | Pars Distalis, Vacuolization | | Cytoplasmic | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 3 4 3 3 3 3 2 1 3 3 3 2 3 3 2 2 3 3 3 3 4 3 3 | Follicular Cell, Vacuolization | | Cytoplasmic | 2 2 2 3 2 2 2 4 3 3 3 2 3 3 2 3 3 2 3 2 2 2 2 2| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Ovary | + + + + + + + M + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 3 | Follicle, Cyst | X X | Periovarian Tissue, Cyst | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + | Angiectasis | 4 | Dilatation | 3 2 | Hyperplasia, Lymphoid | | Inflammation, Chronic Active | 4 | Endometrium, Hyperplasia, Cystic, | | Glandular | 2 2 1 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Femoral, Hyperplasia, Neutrophil | 4| Femoral, Hyperplasia, Reticulum Cell | 2 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + M + + + + + + + + + + + +| Mandibular, Hyperplasia, Lymphoid | 2 2 | Mandibular, Hyperplasia | | Mediastinal, Hyperplasia, Lymphoid | 2 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3| Hyperplasia, Lymphoid | 2 2 | __________________________________________________________________________| Thymus | + M + + + + + + + + M M I M + + + M + + M M + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M + M M + + + + + M + + + + + M + M + + + + + + M| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | | _____________________________________________________________________________________________________________________| Page 47 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 6| 7| 7| 6| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 5| 7| 6| 7| 7| 7| 7| 6| 7| 7| 2| DAY ON TEST | 9| 4| 4| 4| 4| 4| 4| 7| 8| 0| 4| 4| 4| 4| 4| 4| 8| 3| 4| 4| 0| 7| 4| 0| 7| | 7| 0| 0| 0| 0| 0| 1| 9| 3| 1| 1| 1| 2| 2| 2| 2| 0| 3| 3| 3| 9| 8| 3| 9| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 1000 PPM | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Cyst Epithelial Inclusion | X | Parasite External | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | X X | Hydrocephalus | 2 2 | Perivascular, Inflammation, Chronic | | Active | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 2 | Alveolar Epithelium, Hyperplasia | | Peribronchiolar, Inflammation, | | Chronic Active | 2 1 1 1 2 2| __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Atrophy | 4 | __________________________________________________________________________| Harderian Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 2 2 | Nephropathy, Chronic | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + M| _____________________________________________________________________________________________________________________| Page 48 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 4| 7| 7| 4| 6| 7| 7| 7| 7| 6| 7| 5| 7| 5| 7| 7| 6| 7| | DAY ON TEST | 1| 4| 4| 6| 4| 4| 4| 4| 4| 4| 5| 7| 4| 4| 4| 4| 4| 4| 9| 5| 7| 5| 5| 9| 5| | | 2| 7| 7| 3| 7| 7| 8| 3| 8| 8| 7| 7| 8| 9| 9| 9| 2| 9| 8| 0| 0| 0| 0| 7| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 1000 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| L | 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Gallbladder | + M + M + + + + + + + M + + + + M + + M + + + + +| 39 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | A + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | A + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Eosinophilic Focus | X | 2 | Hematopoietic Cell Proliferation | 2 | 2 2.5| Infarct | 2 3 3 3 2 2 2 2 2 4 2 2 | 22 2.7| Infiltration Cellular, Multifocal, | | | Histiocyte | 2| 1 2.0| Inflammation, Chronic Active | 2 | 1 2.0| Centrilobular, Cytomegaly | 1 2 3 1 3 | 8 2.0| __________________________________________________________________________|____________| Mesentery | | 1 | Inflammation, Chronic Active | | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy | 4 | 1 4.0| Duct, Ectasia | 3 | 1 3.0| Perivascular, Inflammation, Chronic | | | Active | 3 | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Perivascular, Inflammation, Chronic | | | Active, Multifocal | 3 | 1 3.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acanthosis | | 1 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Degeneration, Chronic | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 49 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 4| 7| 7| 4| 6| 7| 7| 7| 7| 6| 7| 5| 7| 5| 7| 7| 6| 7| | DAY ON TEST | 1| 4| 4| 6| 4| 4| 4| 4| 4| 4| 5| 7| 4| 4| 4| 4| 4| 4| 9| 5| 7| 5| 5| 9| 5| | | 2| 7| 7| 3| 7| 7| 8| 3| 8| 8| 7| 7| 8| 9| 9| 9| 2| 9| 8| 0| 0| 0| 0| 7| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 1000 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| L | 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hypertrophy | 2 | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | M + M M + M M + M M + M M M + + + M + + + M + + +| 24 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + M + + + + + +| 47 | Pars Distalis, Cyst | | 1 | Pars Distalis, Hyperplasia | 2 2 1 3 2 3 3 3 3 2 3 2 3 3| 28 2.5| Pars Distalis, Vacuolization | | | Cytoplasmic | 2 2 | 2 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Hyperplasia | 2 2 3 3 4 3 4 2 3 2 3 3 4 3 3 3 3 3 3 3 3 3 4 | 46 2.9| Follicular Cell, Vacuolization | | | Cytoplasmic | 2 2 2 3 3 2 1 2 2 3 3 3 2 3 3 3 3 3 3 3 1 3 2 3| 48 2.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + I + + + + + + +| 48 | Inflammation, Suppurative | | 1 3.0| Follicle, Cyst | X X X X X | 7 | Periovarian Tissue, Cyst | X X | 2 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Angiectasis | 2 | 2 3.0| Dilatation | 2 3 2 | 5 2.4| Hyperplasia, Lymphoid | 2 | 1 2.0| Inflammation, Chronic Active | 3 | 2 3.5| Endometrium, Hyperplasia, Cystic, | | | Glandular | 2 3 2 2 2 2 2 2| 11 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + I + + + + + + + + + + + + + + + + + + + + +| 49 | Femoral, Hyperplasia, Neutrophil | | 1 4.0| Femoral, Hyperplasia, Reticulum Cell | | 1 2.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Mandibular, Hyperplasia, Lymphoid | | 2 2.0| Mandibular, Hyperplasia | 2 | 1 2.0| Mediastinal, Hyperplasia, Lymphoid | 2 | 3 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 50 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 4| 7| 7| 4| 6| 7| 7| 7| 7| 6| 7| 5| 7| 5| 7| 7| 6| 7| | DAY ON TEST | 1| 4| 4| 6| 4| 4| 4| 4| 4| 4| 5| 7| 4| 4| 4| 4| 4| 4| 9| 5| 7| 5| 5| 9| 5| | | 2| 7| 7| 3| 7| 7| 8| 3| 8| 8| 7| 7| 8| 9| 9| 9| 2| 9| 8| 0| 0| 0| 0| 7| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 1000 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| L | 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + | 9 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hematopoietic Cell Proliferation | | 1 3.0| Hyperplasia, Lymphoid | | 2 2.0| __________________________________________________________________________|____________| Thymus | M + + + M + + M + + M + M M + + + + M + M + M + +| 33 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M + M + M + + + M + + + M + + + + + + + M + + + +| 37 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acanthosis | 2 2 3 1 2 2 2 | 7 2.0| Cyst Epithelial Inclusion | | 1 | Parasite External | X X X X X X X | 7 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + I + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | | 2 | Hydrocephalus | | 2 2.0| Perivascular, Inflammation, Chronic | | | Active | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Lymphoid | 2 | 2 2.0| Alveolar Epithelium, Hyperplasia | 2 | 1 2.0| Peribronchiolar, Inflammation, | | | Chronic Active | | 6 1.5| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 2 | Atrophy | 4 | 2 4.0| __________________________________________________________________________|____________| Harderian Gland | + | 3 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 51 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 7| 4| 7| 7| 4| 6| 7| 7| 7| 7| 6| 7| 5| 7| 5| 7| 7| 6| 7| | DAY ON TEST | 1| 4| 4| 6| 4| 4| 4| 4| 4| 4| 5| 7| 4| 4| 4| 4| 4| 4| 9| 5| 7| 5| 5| 9| 5| | | 2| 7| 7| 3| 7| 7| 8| 3| 8| 8| 7| 7| 8| 9| 9| 9| 2| 9| 8| 0| 0| 0| 0| 7| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| T | ANIMAL ID | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 1000 PPM | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| L | 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | Hyperplasia, Lymphoid | | 2 2.0| Nephropathy, Chronic | 3 | 1 3.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 52 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 2| 3| 7| 7| 2| 1| 7| 3| 7| 7| 5| 1| 7| 7| 7| 6| 7| 5| 7| 7| 6| 7| 7| 6| 7| DAY ON TEST | 8| 0| 4| 4| 8| 8| 4| 1| 4| 4| 2| 7| 4| 4| 4| 6| 0| 6| 4| 4| 5| 4| 4| 7| 4| | 3| 2| 3| 3| 1| 4| 3| 1| 4| 4| 0| 8| 4| 4| 5| 2| 5| 6| 5| 5| 6| 5| 6| 2| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + A + + + + + A + + M A M M + + + + + + + + + + +| Inflammation, Chronic Active | 1 | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + A + + A A + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X X X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + A + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small | + + + + + + + A + + + A + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + A + + + A + + + + + + + + M + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + A + + A A + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + A + + + A + + + + + + + + + + + + +| Inflammation, Chronic Active | 4 | __________________________________________________________________________| Liver | + + + + + + + A + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X | Clear Cell Focus | | Eosinophilic Focus | X | Fatty Change, Focal | 3 | Hematopoietic Cell Proliferation | 2 | Infarct | 2 3 3 3 3 3 3 | Inflammation, Chronic Active | 2 | __________________________________________________________________________| Mesentery | + + | Angiectasis | | Inflammation, Chronic Active | 3 | __________________________________________________________________________| Pancreas | + + + + + + + A + + + A + + + + + + + + + + + + +| Acinus, Atrophy | 4 1| Acinus, Focal Cellular Change | | Duct, Cyst | 4 | __________________________________________________________________________| Pharynx | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 1 | Acinus, Atrophy | 1 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 2 | Inflammation, Acute | 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + A + + + + + + + + + + + + + + + +| __________________________________________________________________________| Tooth | + +| Incisor, Upper, Dysplasia | 1| Peridontal Tissue, Infiltration | | Cellular, Mast Cell | | Peridontal Tissue, Inflammation, | | Suppurative | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | _____________________________________________________________________________________________________________________| Page 53 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 2| 3| 7| 7| 2| 1| 7| 3| 7| 7| 5| 1| 7| 7| 7| 6| 7| 5| 7| 7| 6| 7| 7| 6| 7| DAY ON TEST | 8| 0| 4| 4| 8| 8| 4| 1| 4| 4| 2| 7| 4| 4| 4| 6| 0| 6| 4| 4| 5| 4| 4| 7| 4| | 3| 2| 3| 3| 1| 4| 3| 1| 4| 4| 0| 8| 4| 4| 5| 2| 5| 6| 5| 5| 6| 5| 6| 2| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Bacterium, Acute, Multiple | 4 | Mineralization | 1 | Valve, Inflammation, Suppurative | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Corticomedullary Junction, Cyst | | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 2 2 | Hypertrophy | 2 1 1 2| __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + A + + + A + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + M + + + + + + + + + + + + + + + M +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + I + + + + + + +| __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + | Inflammation, Chronic Active | 3 | Inflammation, Suppurative | | Duct, Dilatation | 3 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 3 3 3 | __________________________________________________________________________| Seminal Vesicle | + + + +| Dilatation | 2 3| Inflammation, Suppurative | 2 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Seminiferous Tubule, Degeneration | 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | | __________________________________________________________________________| Bone Marrow | + + + + + + + A + + + + + + + + + + + + + + + + +| Femoral, Hyperplasia, Neutrophil | 4 | __________________________________________________________________________| Lymph Node | + + + + + + + + M + + + + + + + + M + + + + + + +| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + | Hematopoietic Cell Proliferation | 3 2 | Thrombosis | X | _____________________________________________________________________________________________________________________| Page 54 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 2| 3| 7| 7| 2| 1| 7| 3| 7| 7| 5| 1| 7| 7| 7| 6| 7| 5| 7| 7| 6| 7| 7| 6| 7| DAY ON TEST | 8| 0| 4| 4| 8| 8| 4| 1| 4| 4| 2| 7| 4| 4| 4| 6| 0| 6| 4| 4| 5| 4| 4| 7| 4| | 3| 2| 3| 3| 1| 4| 3| 1| 4| 4| 0| 8| 4| 4| 5| 2| 5| 6| 5| 5| 6| 5| 6| 2| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Spleen | + + + + + + + A + + + + + + + + + + + + + + + + +| Depletion Lymphoid | 3 1 3 2 | Hematopoietic Cell Proliferation | 2 3 | __________________________________________________________________________| Thymus | + + + M + + M + M M M + + M + M M + + M M M + +| Necrosis, Diffuse | 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite External | | Ulcer | | Subcutaneous Tissue, Fibrosis | 2| Subcutaneous Tissue, Inflammation, | | Acute | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Tarsal, Hyperostosis | X X X X X X X| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Infarct | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Metaplasia, Squamous | 2 | Alveolar Epithelium, Hyperplasia | 1 2 | Peribronchiolar, Inflammation, | | Chronic Active | 1 2 1 2 2 2 2 3 3 2 1 1 3 2 3 1 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Mucosa, Inflammation, Acute | 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | | Hyperplasia | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + A + + + + + + + + + + + + + + + + +| Hydronephrosis | 2 | Metaplasia, Osseous | 1 | Nephropathy, Chronic | 2 2 2 1 1 1 1 1 2 1 1 1 1 1 1| Pelvis, Bacterium | 2 | Pelvis, Inflammation, Suppurative | 1 2 | Renal Tubule, Necrosis | 2 | _____________________________________________________________________________________________________________________| Page 55 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 2| 3| 7| 7| 2| 1| 7| 3| 7| 7| 5| 1| 7| 7| 7| 6| 7| 5| 7| 7| 6| 7| 7| 6| 7| DAY ON TEST | 8| 0| 4| 4| 8| 8| 4| 1| 4| 4| 2| 7| 4| 4| 4| 6| 0| 6| 4| 4| 5| 4| 4| 7| 4| | 3| 2| 3| 3| 1| 4| 3| 1| 4| 4| 0| 8| 4| 4| 5| 2| 5| 6| 5| 5| 6| 5| 6| 2| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | __________________________________________________________________________| Urethra | + + | Inflammation, Suppurative | 2 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + I + + + + + + +| Dilatation | 3 1 | Inflammation, Chronic Active | 3 3 3 | Mineralization | 3 2 | _____________________________________________________________________________________________________________________| Page 56 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 0| 7| 7| 6| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 6| 7| 7| 4| 7| 7| 7| 7| 7| | DAY ON TEST | 2| 4| 4| 6| 5| 6| 5| 5| 5| 3| 5| 5| 5| 5| 5| 1| 6| 4| 5| 2| 5| 5| 5| 5| 5| | | 0| 6| 6| 6| 0| 5| 0| 0| 0| 0| 1| 1| 1| 1| 2| 8| 6| 7| 2| 7| 2| 3| 3| 3| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Gallbladder | A + + + + A + + + + + + + + + + M + M + + + + + +| 40 | Inflammation, Chronic Active | | 1 1.0| __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | M + + A + + + + + + + + + + + + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Parasite Metazoan | X X | 5 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + A + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small | + + + + + A + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Duodenum | A + + + + A + + + + + + + + + + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Intestine Small, Ileum | M + + M + A + + + + + + + + + + + + + + + + + + +| 44 | __________________________________________________________________________|____________| Intestine Small, Jejunum | A + + A + A + + + + + + + + + + + + + + + + + + +| 45 | Inflammation, Chronic Active | | 1 4.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Basophilic Focus | | 3 | Clear Cell Focus | X | 1 | Eosinophilic Focus | X | 2 | Fatty Change, Focal | | 1 3.0| Hematopoietic Cell Proliferation | 2 2 | 3 2.0| Infarct | 3 3 3 3 3 3 2| 14 2.9| Inflammation, Chronic Active | 2 2 2 1 | 5 1.8| __________________________________________________________________________|____________| Mesentery | + + + + | 6 | Angiectasis | 4 | 1 4.0| Inflammation, Chronic Active | 3 | 2 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Acinus, Atrophy | 2 2 1 | 5 2.0| Acinus, Focal Cellular Change | X | 1 | Duct, Cyst | | 1 4.0| __________________________________________________________________________|____________| Pharynx | + | 1 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | | 1 1.0| Acinus, Atrophy | | 1 1.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Acanthosis | | 1 2.0| Inflammation, Acute | | 1 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Tooth | + + + | 5 | Incisor, Upper, Dysplasia | 1 1 | 3 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 57 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 0| 7| 7| 6| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 6| 7| 7| 4| 7| 7| 7| 7| 7| | DAY ON TEST | 2| 4| 4| 6| 5| 6| 5| 5| 5| 3| 5| 5| 5| 5| 5| 1| 6| 4| 5| 2| 5| 5| 5| 5| 5| | | 0| 6| 6| 6| 0| 5| 0| 0| 0| 0| 1| 1| 1| 1| 2| 8| 6| 7| 2| 7| 2| 3| 3| 3| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Peridontal Tissue, Infiltration | | | Cellular, Mast Cell | 3 | 1 3.0| Peridontal Tissue, Inflammation, | | | Suppurative | | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Bacterium, Acute, Multiple | | 1 4.0| Mineralization | | 1 1.0| Valve, Inflammation, Suppurative | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Corticomedullary Junction, Cyst | X | 1 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 1 | 6 1.3| Hypertrophy | 1 1 1 1 | 8 1.3| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 3 | 3 1.7| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Parathyroid Gland | + + M + + + + + + + + + + + + + + + + + + + M + +| 46 | __________________________________________________________________________|____________| Pituitary Gland | I + + M + M + + + + I + + + + + M + + + + + + + +| 44 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + M + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Preputial Gland | + | 2 | Inflammation, Chronic Active | | 1 3.0| Inflammation, Suppurative | 3 | 1 3.0| Duct, Dilatation | | 1 3.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | | 3 3.0| __________________________________________________________________________|____________| Seminal Vesicle | | 4 | Dilatation | | 2 2.5| Inflammation, Suppurative | | 1 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 58 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 0| 7| 7| 6| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 6| 7| 7| 4| 7| 7| 7| 7| 7| | DAY ON TEST | 2| 4| 4| 6| 5| 6| 5| 5| 5| 3| 5| 5| 5| 5| 5| 1| 6| 4| 5| 2| 5| 5| 5| 5| 5| | | 0| 6| 6| 6| 0| 5| 0| 0| 0| 0| 1| 1| 1| 1| 2| 8| 6| 7| 2| 7| 2| 3| 3| 3| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Seminiferous Tubule, Degeneration | | 1 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + | 1 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Femoral, Hyperplasia, Neutrophil | | 1 4.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + +| 14 | Hematopoietic Cell Proliferation | 3 2 2 2 1 3 2 2 2| 11 2.2| Thrombosis | | 1 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Depletion Lymphoid | | 4 2.3| Hematopoietic Cell Proliferation | 4 | 3 3.0| __________________________________________________________________________|____________| Thymus | M + + M + M + + + + M + + + M I I + M + + + + + M| 29 | Necrosis, Diffuse | | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Parasite External | X | 1 | Ulcer | 2 | 1 2.0| Subcutaneous Tissue, Fibrosis | | 1 2.0| Subcutaneous Tissue, Inflammation, | | | Acute | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Tarsal, Hyperostosis | X X X X X X X X X X X X X X X| 22 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infarct | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Metaplasia, Squamous | | 1 2.0| Alveolar Epithelium, Hyperplasia | | 2 1.5| Peribronchiolar, Inflammation, | | | Chronic Active | 3 1 2 2 1 1 3 1 2 | 26 1.8| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 59 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 0| 7| 7| 6| 7| 5| 7| 7| 7| 6| 7| 7| 7| 7| 7| 6| 6| 7| 7| 4| 7| 7| 7| 7| 7| | DAY ON TEST | 2| 4| 4| 6| 5| 6| 5| 5| 5| 3| 5| 5| 5| 5| 5| 1| 6| 4| 5| 2| 5| 5| 5| 5| 5| | | 0| 6| 6| 6| 0| 5| 0| 0| 0| 0| 1| 1| 1| 1| 2| 8| 6| 7| 2| 7| 2| 3| 3| 3| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 0-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Mucosa, Inflammation, Acute | 3 | 2 2.5| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | + + + + | 4 | Hyperplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hydronephrosis | | 1 2.0| Metaplasia, Osseous | | 1 1.0| Nephropathy, Chronic | 2 1 1 1 1 1 2 1 1 1 1 1 2 1 1 1 1 | 32 1.2| Pelvis, Bacterium | | 1 2.0| Pelvis, Inflammation, Suppurative | | 2 1.5| Renal Tubule, Necrosis | | 1 2.0| __________________________________________________________________________|____________| Urethra | | 2 | Inflammation, Suppurative | | 2 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Dilatation | | 2 2.0| Inflammation, Chronic Active | | 3 3.0| Mineralization | | 2 2.5| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 60 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 1| 6| 7| 3| 6| 7| 7| 7| 7| 0| 0| 0| 0| 0| 7| 7| 5| 7| 7| DAY ON TEST | 4| 3| 4| 4| 1| 4| 7| 2| 4| 6| 6| 4| 4| 4| 4| 5| 5| 5| 5| 5| 4| 1| 7| 4| 4| | 3| 5| 3| 3| 1| 3| 1| 8| 4| 8| 3| 4| 4| 5| 5| 1| 1| 1| 1| 1| 5| 6| 8| 5| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + | __________________________________________________________________________| Gallbladder | + + + + M A A A A A A + | __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + A + | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + A + | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + A + | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + A + | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + A + | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + A + | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X | Infarct | 3 4 | Inflammation, Chronic Active | | Necrosis | | Bile Duct, Cyst | X | Centrilobular, Cytomegaly | | __________________________________________________________________________| Mesentery | + | __________________________________________________________________________| Pancreas | + + + + + + + + + + A + | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + | Acanthosis | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + | Thrombosis | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + A + | __________________________________________________________________________| Parathyroid Gland | + + + + + M + + M M + + | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + M + M + + + + + +| Pars Distalis, Cyst | X X | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 61 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 1| 6| 7| 3| 6| 7| 7| 7| 7| 0| 0| 0| 0| 0| 7| 7| 5| 7| 7| DAY ON TEST | 4| 3| 4| 4| 1| 4| 7| 2| 4| 6| 6| 4| 4| 4| 4| 5| 5| 5| 5| 5| 4| 1| 7| 4| 4| | 3| 5| 3| 3| 1| 3| 1| 8| 4| 8| 3| 4| 4| 5| 5| 1| 1| 1| 1| 1| 5| 6| 8| 5| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + | __________________________________________________________________________| Preputial Gland | + | Inflammation, Suppurative | | __________________________________________________________________________| Prostate | + + + + + + + + + + + + | Inflammation, Suppurative | 3 | __________________________________________________________________________| Seminal Vesicle | | Dilatation | | __________________________________________________________________________| Testes | + + + + + + + + + + + + | Seminiferous Tubule, Degeneration | 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + | Femoral, Hyperplasia, Neutrophil | | __________________________________________________________________________| Lymph Node | + M + + + + + M + + + + M M M + +| Lumbar, Hyperplasia, Lymphoid | 2 | Mandibular, Infiltration Cellular, | | Histiocyte | 3 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + +| Hematopoietic Cell Proliferation | 3 3 3 3 | Hyperplasia, Lymphoid | 2 3| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + | Depletion Lymphoid | 3 | Hematopoietic Cell Proliferation | 3 | Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Thymus | M + + M M + + + + + M M | Depletion Lymphoid | | Necrosis, Diffuse | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + | Acanthosis | 3 3 | Parasite External | X X X | Ulcer | 2 3 3 | Subcutaneous Tissue, Edema | | Subcutaneous Tissue, Fibrosis | 3 | Subcutaneous Tissue, Inflammation, | | Acute | | Subcutaneous Tissue, Inflammation, | | Chronic Active | 3 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + +| Femur, Hyperostosis | | Tarsal, Hyperostosis | X X X X X X X X X X| _____________________________________________________________________________________________________________________| Page 62 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 1| 6| 7| 3| 6| 7| 7| 7| 7| 0| 0| 0| 0| 0| 7| 7| 5| 7| 7| DAY ON TEST | 4| 3| 4| 4| 1| 4| 7| 2| 4| 6| 6| 4| 4| 4| 4| 5| 5| 5| 5| 5| 4| 1| 7| 4| 4| | 3| 5| 3| 3| 1| 3| 1| 8| 4| 8| 3| 4| 4| 5| 5| 1| 1| 1| 1| 1| 5| 6| 8| 5| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 0 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar Epithelium, Hyperplasia | 2 | Artery, Embolus | 2 | Peribronchiolar, Inflammation, | | Chronic Active | | __________________________________________________________________________| Nose | + + + + + + + + + + + + | __________________________________________________________________________| Trachea | + + + + + + + + + + + + | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + | Cornea, Inflammation, Chronic Active | 3 | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + | Hydronephrosis | | Inflammation, Chronic Active | | Nephropathy, Chronic | 1 2 2 | Capsule, Fibrosis, Focal | 3 | Renal Tubule, Necrosis | | __________________________________________________________________________| Urethra | + | Inflammation, Suppurative | | Bulbourethral Gland, Dilatation | 4 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + A + | Calculus Gross Observation | | Dilatation | 4 | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| Page 63 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 1| 3| 3| 7| 3| 7| 7| 7| 7| 7| 2| 2| 3| 3| 2| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 8| 5| 5| 4| 5| 4| 4| 5| 5| 2| 7| 3| 0| 0| 3| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| | | 0| 1| 1| 6| 1| 6| 6| 0| 0| 2| 9| 4| 7| 9| 5| 0| 1| 1| 1| 2| 2| 2| 3| 3| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + | 22 | __________________________________________________________________________|____________| Gallbladder | + + + A + + + A A + | 12 | __________________________________________________________________________|____________| Intestine Large | + + + A + + + + + + | 21 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + A + + + M + + | 19 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + A + + + + + + | 21 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + A + + + A + + | 19 | __________________________________________________________________________|____________| Intestine Small | + + + M + + + + + + + | 22 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + A + + + A M + | 18 | __________________________________________________________________________|____________| Intestine Small, Ileum | A + + A + + + M + + | 18 | __________________________________________________________________________|____________| Intestine Small, Jejunum | A + + A + + + + A + + | 20 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Basophilic Focus | X X X | 5 | Infarct | 3 3| 4 3.3| Inflammation, Chronic Active | 2 | 1 2.0| Necrosis | 3 3 | 2 3.0| Bile Duct, Cyst | X X | 3 | Centrilobular, Cytomegaly | 2 | 1 2.0| __________________________________________________________________________|____________| Mesentery | | 1 | __________________________________________________________________________|____________| Pancreas | + + + A + + + + + + | 20 | __________________________________________________________________________|____________| Salivary Glands | + + + M + + + + + + | 21 | __________________________________________________________________________|____________| Stomach | + + + A + + + + + + + + | 24 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + A + + + + + + + + | 24 | Acanthosis | 3 | 1 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + A + + + + + + | 21 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + | 23 | Thrombosis | | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + M + + + + + + | 21 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + M + + + + + + | 21 | __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + M + + + + + + | 21 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + A + + + + + + | 20 | __________________________________________________________________________|____________| Parathyroid Gland | M + + + + + + + + M | 17 | __________________________________________________________________________|____________| Pituitary Gland | I + + + M + + + + + + + + + + + + + + + + + +| 42 | Pars Distalis, Cyst | | 2 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + +| 46 | Follicular Cell, Hyperplasia | 1 | 2 1.5| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 64 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 1| 3| 3| 7| 3| 7| 7| 7| 7| 7| 2| 2| 3| 3| 2| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 8| 5| 5| 4| 5| 4| 4| 5| 5| 2| 7| 3| 0| 0| 3| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| | | 0| 1| 1| 6| 1| 6| 6| 0| 0| 2| 9| 4| 7| 9| 5| 0| 1| 1| 1| 2| 2| 2| 3| 3| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + | 22 | __________________________________________________________________________|____________| Preputial Gland | + | 2 | Inflammation, Suppurative | 4 | 1 4.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + | 22 | Inflammation, Suppurative | 3 2 | 3 2.7| __________________________________________________________________________|____________| Seminal Vesicle | + + | 2 | Dilatation | 2 3 | 2 2.5| __________________________________________________________________________|____________| Testes | + + + + + + + + + + | 22 | Seminiferous Tubule, Degeneration | | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + A + + + + + + | 21 | Femoral, Hyperplasia, Neutrophil | 4 | 1 4.0| __________________________________________________________________________|____________| Lymph Node | + + + + M + + + M + + + + + + | 25 | Lumbar, Hyperplasia, Lymphoid | | 1 2.0| Mandibular, Infiltration Cellular, | | | Histiocyte | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + | 11 | Hematopoietic Cell Proliferation | 2 2 2 | 7 2.6| Hyperplasia, Lymphoid | | 2 2.5| __________________________________________________________________________|____________| Spleen | + + + + + + + + A + + + + | 25 | Depletion Lymphoid | | 1 3.0| Hematopoietic Cell Proliferation | 3 | 2 3.0| Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Thymus | + M + M + + M M M M | 11 | Depletion Lymphoid | 3 | 1 3.0| Necrosis, Diffuse | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Skin | + + + + + + + + M + + +| 26 | Acanthosis | 3 | 3 3.0| Parasite External | X | 4 | Ulcer | | 3 2.7| Subcutaneous Tissue, Edema | 2| 1 2.0| Subcutaneous Tissue, Fibrosis | | 1 3.0| Subcutaneous Tissue, Inflammation, | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 65 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 1| 3| 3| 7| 3| 7| 7| 7| 7| 7| 2| 2| 3| 3| 2| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 8| 5| 5| 4| 5| 4| 4| 5| 5| 2| 7| 3| 0| 0| 3| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| | | 0| 1| 1| 6| 1| 6| 6| 0| 0| 2| 9| 4| 7| 9| 5| 0| 1| 1| 1| 2| 2| 2| 3| 3| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| A | 0 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| L | 10-0 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | Acute | 2 | 1 2.0| Subcutaneous Tissue, Inflammation, | | | Chronic Active | | 2 2.5| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + +| 44 | Femur, Hyperostosis | X | 1 | Tarsal, Hyperostosis | X X X X X X X X X X X X X X| 24 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + A + + + + + + | 21 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Alveolar Epithelium, Hyperplasia | 2 | 2 2.0| Artery, Embolus | | 1 2.0| Peribronchiolar, Inflammation, | | | Chronic Active | 2 1 1 1 2 1 | 6 1.3| __________________________________________________________________________|____________| Nose | + + + A + + + + + + | 21 | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + | 22 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | 2 | Cornea, Inflammation, Chronic Active | | 1 3.0| __________________________________________________________________________|____________| Harderian Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + | 23 | Hydronephrosis | 3 3 | 2 3.0| Inflammation, Chronic Active | 4 | 1 4.0| Nephropathy, Chronic | | 3 1.7| Capsule, Fibrosis, Focal | | 1 3.0| Renal Tubule, Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Urethra | + | 2 | Inflammation, Suppurative | 4 | 1 4.0| Bulbourethral Gland, Dilatation | | 1 4.0| __________________________________________________________________________|____________| Urinary Bladder | + + + A + + + + + + | 20 | Calculus Gross Observation | X X | 2 | Dilatation | 4 3 | 3 3.7| Inflammation, Chronic Active | 3 3 | 2 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 66 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 5| 7| 7| 3| 7| DAY ON TEST | 4| 4| 3| 4| 4| 4| 4| 4| 4| 1| 4| 4| 4| 4| 2| 4| 4| 5| 5| 5| 9| 0| 5| 4| 5| | 3| 3| 2| 3| 3| 4| 4| 1| 4| 6| 5| 5| 5| 6| 4| 6| 6| 0| 0| 0| 3| 5| 0| 5| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 100 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + | __________________________________________________________________________| Gallbladder | A + + + + + | __________________________________________________________________________| Intestine Large | + + + + + + | __________________________________________________________________________| Intestine Large, Cecum | + + + + + A | Parasite Metazoan | X | __________________________________________________________________________| Intestine Large, Colon | + + + + + + | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + | __________________________________________________________________________| Intestine Small | + + + + + + + A | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + A | __________________________________________________________________________| Intestine Small, Ileum | + + + + + A | Parasite Metazoan | X | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + A | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X | Clear Cell Focus | | Infarct | 3 3 | Centrilobular, Cytomegaly | 1 2 2 1 | Centrilobular, Necrosis, Acute | 2 | __________________________________________________________________________| Pancreas | + + + + + A | __________________________________________________________________________| Salivary Glands | + + + + + + | __________________________________________________________________________| Stomach | + + + + + A | __________________________________________________________________________| Stomach, Forestomach | + + + + + A | __________________________________________________________________________| Stomach, Glandular | + + + + + A | Infiltration Cellular, Lymphocyte | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + | Degeneration, Chronic | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + | Hypertrophy | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + | __________________________________________________________________________| Islets, Pancreatic | + + + + + A | __________________________________________________________________________| Parathyroid Gland | + + + + + + | __________________________________________________________________________| Pituitary Gland | M M + + + + + + + + + I I + + + + + + + M + + +| Pars Distalis, Cyst | | Pars Distalis, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 2 | Follicular Cell, Vacuolization | | Cytoplasmic | 1 2 1 1 2 2 2 1 2 2 2 2 2 2 3 2 2 2 2| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| Page 67 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 5| 7| 7| 3| 7| DAY ON TEST | 4| 4| 3| 4| 4| 4| 4| 4| 4| 1| 4| 4| 4| 4| 2| 4| 4| 5| 5| 5| 9| 0| 5| 4| 5| | 3| 3| 2| 3| 3| 4| 4| 1| 4| 6| 5| 5| 5| 6| 4| 6| 6| 0| 0| 0| 3| 5| 0| 5| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 100 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + | __________________________________________________________________________| Penis | + | __________________________________________________________________________| Preputial Gland | | Inflammation, Chronic Active | | __________________________________________________________________________| Prostate | + + + + + + | __________________________________________________________________________| Testes | + + + + + + | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + | Mandibular, Infiltration Cellular, | | Histiocyte | 3 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + | Hematopoietic Cell Proliferation | 2 | Hyperplasia, Lymphoid | 3 | Infiltration Cellular, Plasma Cell | | __________________________________________________________________________| Spleen | + + + + + + + | Hematopoietic Cell Proliferation | 3 | __________________________________________________________________________| Thymus | M + M + + M + | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + | __________________________________________________________________________| Skin | + + + + + + + + | Acanthosis | 3 | Alopecia | | Hyperplasia, Basal Cell | | Parasite External | X X | Subcutaneous Tissue, Fibrosis | | Subcutaneous Tissue, Granuloma | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + | Tarsal, Hyperostosis | X X X X X X X X X X X X X | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar Epithelium, Hyperplasia | 1 1 | Mediastinum, Inflammation | 2 | Peribronchiolar, Inflammation, | | Chronic Active | 2 2 2 2 1| __________________________________________________________________________| Nose | + + + + + + | _____________________________________________________________________________________________________________________| Page 68 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 7| 5| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 5| 7| 7| 3| 7| DAY ON TEST | 4| 4| 3| 4| 4| 4| 4| 4| 4| 1| 4| 4| 4| 4| 2| 4| 4| 5| 5| 5| 9| 0| 5| 4| 5| | 3| 3| 2| 3| 3| 4| 4| 1| 4| 6| 5| 5| 5| 6| 4| 6| 6| 0| 0| 0| 3| 5| 0| 5| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 100 PPM | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | __________________________________________________________________________| Trachea | + + + + + + | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Atrophy | 2 | __________________________________________________________________________| Harderian Gland | + + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + | Capsule, Fibrosis, Focal | 2 | Cortex, Cyst | X | __________________________________________________________________________| Urinary Bladder | + + + + + + | Dilatation | 3 | _____________________________________________________________________________________________________________________| Page 69 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 5| | | DAY ON TEST | 5| 5| 5| 5| 5| 5| 5| 5| 5| | | | 1| 1| 2| 2| 1| 3| 3| 3| 7| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| | A | 100 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| | L | 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + | 8 | __________________________________________________________________________|____________| Gallbladder | A + | 6 | __________________________________________________________________________|____________| Intestine Large | + + | 8 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + | 7 | Parasite Metazoan | | 1 | __________________________________________________________________________|____________| Intestine Large, Colon | + + | 8 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + | 8 | __________________________________________________________________________|____________| Intestine Small | + + + | 10 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + | 7 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + | 7 | Parasite Metazoan | | 1 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + | 10 | __________________________________________________________________________|____________| Liver | + + + + + + + + + | 33 | Basophilic Focus | X | 3 | Clear Cell Focus | X | 1 | Infarct | | 2 3.0| Centrilobular, Cytomegaly | 2 1 | 6 1.5| Centrilobular, Necrosis, Acute | | 1 2.0| __________________________________________________________________________|____________| Pancreas | + + | 7 | __________________________________________________________________________|____________| Salivary Glands | + + | 8 | __________________________________________________________________________|____________| Stomach | + + | 7 | __________________________________________________________________________|____________| Stomach, Forestomach | + + | 7 | __________________________________________________________________________|____________| Stomach, Glandular | + + | 7 | Infiltration Cellular, Lymphocyte | | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + | 8 | Degeneration, Chronic | | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + | 8 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + | 8 | Hypertrophy | 2 | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + | 8 | __________________________________________________________________________|____________| Islets, Pancreatic | + + | 7 | __________________________________________________________________________|____________| Parathyroid Gland | M + | 7 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + | 28 | Pars Distalis, Cyst | X | 1 | Pars Distalis, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 70 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 5| | | DAY ON TEST | 5| 5| 5| 5| 5| 5| 5| 5| 5| | | | 1| 1| 2| 2| 1| 3| 3| 3| 7| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| | A | 100 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| | L | 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| | | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + | 33 | Follicular Cell, Hyperplasia | | 1 2.0| Follicular Cell, Vacuolization | | | Cytoplasmic | 1 2 2 2 2 2 | 25 1.8| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + | 8 | __________________________________________________________________________|____________| Penis | | 1 | __________________________________________________________________________|____________| Preputial Gland | + | 1 | Inflammation, Chronic Active | 3 | 1 3.0| __________________________________________________________________________|____________| Prostate | + + | 8 | __________________________________________________________________________|____________| Testes | + + | 8 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + | 8 | __________________________________________________________________________|____________| Lymph Node | + + + + | 15 | Mandibular, Infiltration Cellular, | | | Histiocyte | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + | 7 | Hematopoietic Cell Proliferation | | 1 2.0| Hyperplasia, Lymphoid | | 1 3.0| Infiltration Cellular, Plasma Cell | 2 | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + | 12 | Hematopoietic Cell Proliferation | 3 | 2 3.0| __________________________________________________________________________|____________| Thymus | M M | 4 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M | 1 | __________________________________________________________________________|____________| Skin | + + + + + + | 14 | Acanthosis | 2 3 2 | 4 2.5| Alopecia | X | 1 | Hyperplasia, Basal Cell | 4 | 1 4.0| Parasite External | X X X X | 6 | Subcutaneous Tissue, Fibrosis | 3 | 1 3.0| Subcutaneous Tissue, Granuloma | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 71 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 5| | | DAY ON TEST | 5| 5| 5| 5| 5| 5| 5| 5| 5| | | | 1| 1| 2| 2| 1| 3| 3| 3| 7| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| | A | 100 PPM | 6| 6| 6| 6| 6| 7| 7| 7| 7| | L | 1-1 | 1| 2| 3| 4| 5| 1| 2| 3| 4| | | __________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + | 25 | Tarsal, Hyperostosis | X X X X X | 18 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + | 8 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + | 33 | Alveolar Epithelium, Hyperplasia | 2 | 3 1.3| Mediastinum, Inflammation | | 1 2.0| Peribronchiolar, Inflammation, | | | Chronic Active | | 5 1.8| __________________________________________________________________________|____________| Nose | + + | 8 | __________________________________________________________________________|____________| Trachea | + + | 8 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | 1 | Atrophy | | 1 2.0| __________________________________________________________________________|____________| Harderian Gland | | 3 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + | 11 | Capsule, Fibrosis, Focal | | 1 2.0| Cortex, Cyst | X | 2 | __________________________________________________________________________|____________| Urinary Bladder | + + | 8 | Dilatation | 3 | 2 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 72 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 1| 0| 7| 7| 6| 7| 7| 7| 7| 7| 7| 2| 7| 7| 7| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| DAY ON TEST | 4| 9| 4| 4| 9| 4| 4| 4| 4| 1| 0| 4| 4| 4| 2| 2| 4| 4| 4| 7| 9| 4| 4| 4| 4| | 2| 5| 3| 3| 5| 3| 3| 4| 4| 8| 4| 1| 4| 4| 9| 7| 5| 5| 5| 7| 0| 0| 6| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 333 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + A + + + | __________________________________________________________________________| Gallbladder | M A A + + + A A + + A | __________________________________________________________________________| Intestine Large | + + + + + + + A + + A | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + A + + A | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + A + + A | Parasite Metazoan | X X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + A + + A | __________________________________________________________________________| Intestine Small | + + + + + + + + + + A | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + A + + A | __________________________________________________________________________| Intestine Small, Ileum | + + + + + + A + + A | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + A | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X | Clear Cell Focus | X X | Eosinophilic Focus | X X X X | Hematopoietic Cell Proliferation | 4 | Infarct | 3 | Inflammation, Chronic Active | | Bile Duct, Hyperplasia | | Central Vein, Thrombosis | | Centrilobular, Cytomegaly | 2 2 2 2 2 3 2 2 2 2 2 2 2 2 2 2 2| Centrilobular, Necrosis, Acute | 2 | __________________________________________________________________________| Pancreas | + + + + + + + A + + A | Acinus, Inflammation, Chronic Active | 3 | Duct, Cyst | 4 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + | __________________________________________________________________________| Stomach | + + + + + + + A + + A | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + A + + A | __________________________________________________________________________| Stomach, Glandular | + + + + + + + A + + A | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + A + + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + A + + + | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + A + + + | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + A + + A | __________________________________________________________________________| Parathyroid Gland | + M + + + M M M + + + | __________________________________________________________________________| Pituitary Gland | + + + I + + + + + + M + + + M M + + + + + + + + +| Ectasia | 3 | Craniopharyngeal Duct, Inflammation, | | Chronic Active | 3 | Pars Distalis, Cyst | | _____________________________________________________________________________________________________________________| Page 73 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 1| 0| 7| 7| 6| 7| 7| 7| 7| 7| 7| 2| 7| 7| 7| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| DAY ON TEST | 4| 9| 4| 4| 9| 4| 4| 4| 4| 1| 0| 4| 4| 4| 2| 2| 4| 4| 4| 7| 9| 4| 4| 4| 4| | 2| 5| 3| 3| 5| 3| 3| 4| 4| 8| 4| 1| 4| 4| 9| 7| 5| 5| 5| 7| 0| 0| 6| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 333 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Pars Distalis, Hyperplasia | 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + A + + + + + + + + +| Follicular Cell, Vacuolization | | Cytoplasmic | 3 3 3 3 3 3 2 3 3 2 3 3 3 3 2 2 3 3 2 3 3 3 3| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + A + + + | Inflammation, Acute | 2 | __________________________________________________________________________| Preputial Gland | + + | Inflammation, Chronic Active | 3 3 | Duct, Dilatation | 3 4 | __________________________________________________________________________| Prostate | + + + + + + + A + + + | Inflammation, Chronic Active | 3 | Inflammation, Suppurative | 2 2 | __________________________________________________________________________| Seminal Vesicle | + | Dilatation | 3 | __________________________________________________________________________| Testes | + + + + + + + + + + + | Seminiferous Tubule, Degeneration | 2 3 | Seminiferous Tubule, Mineralization | 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + A + + + | Femoral, Hyperplasia, Neutrophil | 3 | __________________________________________________________________________| Lymph Node | + + + + + + M + + + + | Mandibular, Hyperplasia, Lymphoid | | __________________________________________________________________________| Lymph Node, Mesenteric | + | Hematopoietic Cell Proliferation | | __________________________________________________________________________| Spleen | + + + + + + + + + A + + A | Hematopoietic Cell Proliferation | 2 2 3 3 | Hyperplasia, Lymphoid | | __________________________________________________________________________| Thymus | M M + + M M M M + + + | Depletion Lymphoid | 3 | Necrosis, Diffuse | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M | __________________________________________________________________________| Skin | + + + + + + + + + + + + + | Acanthosis | 2 3 | Parasite External | X X X X | Ulcer | 2 2 | Prepuce, Inflammation, Acute | 3 | _____________________________________________________________________________________________________________________| Page 74 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 1| 0| 7| 7| 6| 7| 7| 7| 7| 7| 7| 2| 7| 7| 7| 6| 7| 7| 7| 6| 6| 7| 7| 7| 7| DAY ON TEST | 4| 9| 4| 4| 9| 4| 4| 4| 4| 1| 0| 4| 4| 4| 2| 2| 4| 4| 4| 7| 9| 4| 4| 4| 4| | 2| 5| 3| 3| 5| 3| 3| 4| 4| 8| 4| 1| 4| 4| 9| 7| 5| 5| 5| 7| 0| 0| 6| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 333 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Prepuce, Subcutaneous Tissue, | | Foreign Body | 4 | Subcutaneous Tissue, Fibrosis | 3 | Subcutaneous Tissue, Inflammation, | | Chronic Active | | Subcutaneous Tissue, Sebaceous Gland,| | Hyperplasia | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + +| Tarsal, Hyperostosis | X X X X X X X X X X X| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar Epithelium, Hyperplasia | | Peribronchiolar, Inflammation, | | Chronic Active | 3 1 4 2 2 2 1 1 2 2| __________________________________________________________________________| Nose | + + + + + + + + + + + | __________________________________________________________________________| Trachea | + + + + + + + A + + + | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + | Nephropathy, Chronic | 1 1 | Pelvis, Inflammation, Suppurative | 3 | __________________________________________________________________________| Urethra | + | Inflammation, Chronic Active | 3 | __________________________________________________________________________| Urinary Bladder | + + + + + + + A + + A | Dilatation | 3 3 | Inflammation, Chronic Active | 3 | Mucosa, Hyperplasia | 3 | _____________________________________________________________________________________________________________________| Page 75 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 6| 6| 7| 6| 7| 7| 7| 7| | DAY ON TEST | 4| 5| 3| 5| 5| 5| 5| 5| 9| 5| 5| 5| 5| 5| 5| 2| 6| 2| 0| 5| 1| 5| 4| 5| 5| | | 6| 0| 4| 0| 0| 0| 1| 1| 0| 1| 1| 2| 2| 2| 2| 3| 2| 2| 2| 3| 9| 3| 3| 3| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 333 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + | 18 | __________________________________________________________________________|____________| Gallbladder | A + M + + A + + | 10 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + | 17 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + | 17 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + | 17 | Parasite Metazoan | X | 3 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + | 17 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + +| 19 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + | 16 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + | 16 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + +| 18 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Basophilic Focus | X X X | 5 | Clear Cell Focus | X | 3 | Eosinophilic Focus | X X X X | 8 | Hematopoietic Cell Proliferation | | 1 4.0| Infarct | 3 4 2 3 4 3 | 7 3.1| Inflammation, Chronic Active | 3 | 1 3.0| Bile Duct, Hyperplasia | 2 2 | 2 2.0| Central Vein, Thrombosis | X | 1 | Centrilobular, Cytomegaly | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| 36 2.0| Centrilobular, Necrosis, Acute | 2 | 2 2.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + | 17 | Acinus, Inflammation, Chronic Active | | 1 3.0| Duct, Cyst | | 1 4.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + | 19 | __________________________________________________________________________|____________| Stomach | + + + + + + + + | 17 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + | 17 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + | 17 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + | 19 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + | 18 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + | 18 | __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + | 18 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + | 17 | __________________________________________________________________________|____________| Parathyroid Gland | + + M + + + + + | 14 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 76 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 6| 6| 7| 6| 7| 7| 7| 7| | DAY ON TEST | 4| 5| 3| 5| 5| 5| 5| 5| 9| 5| 5| 5| 5| 5| 5| 2| 6| 2| 0| 5| 1| 5| 4| 5| 5| | | 6| 0| 4| 0| 0| 0| 1| 1| 0| 1| 1| 2| 2| 2| 2| 3| 2| 2| 2| 3| 9| 3| 3| 3| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 333 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + M M I + M + + + +| 42 | Ectasia | | 1 3.0| Craniopharyngeal Duct, Inflammation, | | | Chronic Active | | 1 3.0| Pars Distalis, Cyst | X | 1 | Pars Distalis, Hyperplasia | 1 | 2 1.5| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Follicular Cell, Vacuolization | | | Cytoplasmic | 2 3 2 3 3 3 3 3 2 2 3 2 2 2 2 3 3 3 3 3 2 3 3| 46 2.7| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + | 18 | Inflammation, Acute | | 1 2.0| __________________________________________________________________________|____________| Preputial Gland | | 2 | Inflammation, Chronic Active | | 2 3.0| Duct, Dilatation | | 2 3.5| __________________________________________________________________________|____________| Prostate | + + + + + + + + | 18 | Inflammation, Chronic Active | 1 | 2 2.0| Inflammation, Suppurative | | 2 2.0| __________________________________________________________________________|____________| Seminal Vesicle | | 1 | Dilatation | | 1 3.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + | 20 | Seminiferous Tubule, Degeneration | | 2 2.5| Seminiferous Tubule, Mineralization | | 1 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + | 18 | Femoral, Hyperplasia, Neutrophil | | 1 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + +| 22 | Mandibular, Hyperplasia, Lymphoid | 2 3| 2 2.5| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + | 4 | Hematopoietic Cell Proliferation | 2 3 | 2 2.5| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 21 | Hematopoietic Cell Proliferation | | 4 2.5| Hyperplasia, Lymphoid | 4 | 1 4.0| __________________________________________________________________________|____________| Thymus | + + + + + + M M | 11 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 77 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 6| 6| 7| 6| 7| 7| 7| 7| | DAY ON TEST | 4| 5| 3| 5| 5| 5| 5| 5| 9| 5| 5| 5| 5| 5| 5| 2| 6| 2| 0| 5| 1| 5| 4| 5| 5| | | 6| 0| 4| 0| 0| 0| 1| 1| 0| 1| 1| 2| 2| 2| 2| 3| 2| 2| 2| 3| 9| 3| 3| 3| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 333 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Depletion Lymphoid | | 1 3.0| Necrosis, Diffuse | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | | | __________________________________________________________________________|____________| Skin | + + + + + + + + + + | 23 | Acanthosis | 3 3 | 4 2.8| Parasite External | X | 5 | Ulcer | 2 | 3 2.0| Prepuce, Inflammation, Acute | | 1 3.0| Prepuce, Subcutaneous Tissue, | | | Foreign Body | | 1 4.0| Subcutaneous Tissue, Fibrosis | 2 | 2 2.5| Subcutaneous Tissue, Inflammation, | | | Chronic Active | 3 | 1 3.0| Subcutaneous Tissue, Sebaceous Gland,| | | Hyperplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + | 42 | Tarsal, Hyperostosis | X X X X X X X X X X X X X X X X X | 28 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + | 19 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar Epithelium, Hyperplasia | 1 3 | 2 2.0| Peribronchiolar, Inflammation, | | | Chronic Active | 2 1 2 2 2 2 3| 17 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + | 19 | __________________________________________________________________________|____________| Trachea | + + + + + + + + | 18 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | + +| 3 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + | 21 | Nephropathy, Chronic | 1 | 3 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 78 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 6| 6| 6| 6| 7| 6| 7| 7| 7| 7| | DAY ON TEST | 4| 5| 3| 5| 5| 5| 5| 5| 9| 5| 5| 5| 5| 5| 5| 2| 6| 2| 0| 5| 1| 5| 4| 5| 5| | | 6| 0| 4| 0| 0| 0| 1| 1| 0| 1| 1| 2| 2| 2| 2| 3| 2| 2| 2| 3| 9| 3| 3| 3| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 333 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 0-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | Pelvis, Inflammation, Suppurative | | 1 3.0| __________________________________________________________________________|____________| Urethra | | 1 | Inflammation, Chronic Active | | 1 3.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + | 17 | Dilatation | | 2 3.0| Inflammation, Chronic Active | | 1 3.0| Mucosa, Hyperplasia | | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 79 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 3| 0| 0| 0| 1| 0| 7| 7| 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 4| 4| 4| 4| 1| 2| 1| 1| 2| 0| 0| 4| 8| 4| 7| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | 3| 3| 3| 3| 1| 5| 4| 3| 4| 8| 4| 4| 1| 4| 6| 4| 4| 9| 5| 5| 5| 5| 6| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 333 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + M M + M + + + + | __________________________________________________________________________| Gallbladder | + + M M + M + A A + | __________________________________________________________________________| Intestine Large | + + + + + M + + + + | __________________________________________________________________________| Intestine Large, Cecum | + + M M + M + + A + | Inflammation, Acute | | __________________________________________________________________________| Intestine Large, Colon | + + A + + M + + + + | __________________________________________________________________________| Intestine Large, Rectum | + + M + + M + + M + | Parasite Metazoan | X | __________________________________________________________________________| Intestine Small | + + + M + M + + + + | __________________________________________________________________________| Intestine Small, Duodenum | + + M M + M + + + + | __________________________________________________________________________| Intestine Small, Ileum | + + M M + M + + A + | __________________________________________________________________________| Intestine Small, Jejunum | + + A M + M + + + + | __________________________________________________________________________| Liver | + + + + + + M M + M + + + + + + + + + + + + + + +| Basophilic Focus | X X | Clear Cell Focus | | Eosinophilic Focus | X X | Hematopoietic Cell Proliferation | 2 | Infarct | 4 | Centrilobular, Cytomegaly | 2 2 2 2 2 1 2 2 2 2 2 2 2 2 2| __________________________________________________________________________| Mesentery | | __________________________________________________________________________| Pancreas | + + M M + M + + + + | Inflammation, Chronic Active | | Acinus, Atrophy | | __________________________________________________________________________| Salivary Glands | + + M M + M + + + + | __________________________________________________________________________| Stomach | + + M M + M + + + + | __________________________________________________________________________| Stomach, Forestomach | + + M M + M + + + + | Acanthosis | | __________________________________________________________________________| Stomach, Glandular | + + M M + M + + + + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + M M + M + + + + | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + M M + M + + + + | __________________________________________________________________________| Adrenal Gland, Cortex | + + M M + M + + + + | __________________________________________________________________________| Adrenal Gland, Medulla | + + M M + M + + + + | __________________________________________________________________________| Islets, Pancreatic | + + M M + M + + + + | __________________________________________________________________________| Parathyroid Gland | + M M M + M + + + + | __________________________________________________________________________| Pituitary Gland | + + + M + + M M + M I + + + M + + + + + + + + + +| Pars Distalis, Cyst | X | Pars Distalis, Hyperplasia | 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + M M + M + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 2 2 3 | Follicular Cell, Vacuolization | | _____________________________________________________________________________________________________________________| Page 80 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 3| 0| 0| 0| 1| 0| 7| 7| 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 4| 4| 4| 4| 1| 2| 1| 1| 2| 0| 0| 4| 8| 4| 7| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | 3| 3| 3| 3| 1| 5| 4| 3| 4| 8| 4| 4| 1| 4| 6| 4| 4| 9| 5| 5| 5| 5| 6| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 333 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Cytoplasmic | 2 2 3 2 1 2 2 2 2 3 3 2 2 3 2 2 3 2| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + M M + M + + + + | __________________________________________________________________________| Penis | | __________________________________________________________________________| Preputial Gland | + | Inflammation, Chronic Active | | Duct, Dilatation | 3 | __________________________________________________________________________| Prostate | + + M M + M + + + + | Inflammation, Chronic Active | | __________________________________________________________________________| Seminal Vesicle | | Dilatation | | __________________________________________________________________________| Testes | + + M M M + + + + | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + I + I + A + | __________________________________________________________________________| Lymph Node | + + M M + M + + + + + + +| __________________________________________________________________________| Lymph Node, Mesenteric | + + +| Hematopoietic Cell Proliferation | 2| Inflammation, Chronic Active | | __________________________________________________________________________| Spleen | + + + M M + M + + + + + + + + + | Depletion Lymphoid | 2 | Hematopoietic Cell Proliferation | 4 3 3 | Hyperplasia, Lymphoid | | __________________________________________________________________________| Thymus | + + M M + M + + M M | Depletion Lymphoid | 3 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M | __________________________________________________________________________| Skin | + + M M + M + + + + + + + + + + | Acanthosis | 3 2 2 | Parasite External | X X X X | Ulcer | 2 | Subcutaneous Tissue, Fibrosis | 2 | Subcutaneous Tissue, Inflammation, | | Chronic Active | 3 | Subcutaneous Tissue, Metaplasia, | | Osseous | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + I + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 81 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 3| 0| 0| 0| 1| 0| 7| 7| 6| 7| 6| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 4| 4| 4| 4| 1| 2| 1| 1| 2| 0| 0| 4| 8| 4| 7| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | 3| 3| 3| 3| 1| 5| 4| 3| 4| 8| 4| 4| 1| 4| 6| 4| 4| 9| 5| 5| 5| 5| 6| 6| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 333 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM - cont | | | | Tarsal, Hyperostosis | X X X X X X X X X X X X| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + M M + M + + + + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + M M + M + + + + + + + + + + + + + + +| Inflammation, Chronic, Diffuse | | Alveolar Epithelium, Hyperplasia | 1 1 | Alveolus, Hyperplasia, Macrophage | | Peribronchial, Inflammation, Chronic | | Active | | Peribronchiolar, Inflammation, | | Chronic Active | 2 2 2 2 2 1 1 1 3 2 1 | Perivascular, Inflammation, Chronic | | Active | | __________________________________________________________________________| Nose | + + M + + M + + + + | __________________________________________________________________________| Trachea | + + M M + M + + + + | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + M M + M + + + + + | Cortex, Cyst | X | Cortex, Infiltration Cellular, Focal,| | Histiocyte | | __________________________________________________________________________| Urinary Bladder | + + M M + M + + + + | _____________________________________________________________________________________________________________________| Page 82 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 6| 5| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 7| | DAY ON TEST | 9| 4| 5| 6| 2| 5| 7| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 9| 5| 5| 5| 8| 1| | | 0| 6| 1| 6| 6| 0| 7| 0| 0| 0| 1| 1| 1| 1| 2| 2| 2| 2| 3| 5| 3| 3| 3| 4| 1| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 333 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + +| 15 | __________________________________________________________________________|____________| Gallbladder | + + + + + + + +| 13 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + +| 17 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + +| 14 | Inflammation, Acute | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + +| 16 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + +| 15 | Parasite Metazoan | | 1 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + +| 17 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + +| 15 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + +| 14 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + +| 16 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | Basophilic Focus | X X | 4 | Clear Cell Focus | X | 1 | Eosinophilic Focus | X | 3 | Hematopoietic Cell Proliferation | 2 3 | 3 2.3| Infarct | 2 4 | 3 3.3| Centrilobular, Cytomegaly | 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1| 33 1.9| __________________________________________________________________________|____________| Mesentery | + | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + +| 15 | Inflammation, Chronic Active | 2 | 1 2.0| Acinus, Atrophy | 2 | 1 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + +| 15 | __________________________________________________________________________|____________| Stomach | + + + + + + + + +| 16 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + +| 16 | Acanthosis | 3 | 1 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + +| 15 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + +| 15 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + +| 15 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + +| 15 | __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + +| 15 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + +| 15 | __________________________________________________________________________|____________| Parathyroid Gland | + M + + + M + +| 12 | __________________________________________________________________________|____________| Pituitary Gland | + + + I I + + + + + + + + + + + + + + I + + + + +| 41 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 83 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 6| 5| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 7| | DAY ON TEST | 9| 4| 5| 6| 2| 5| 7| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 9| 5| 5| 5| 8| 1| | | 0| 6| 1| 6| 6| 0| 7| 0| 0| 0| 1| 1| 1| 1| 2| 2| 2| 2| 3| 5| 3| 3| 3| 4| 1| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 333 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Pars Distalis, Cyst | | 1 | Pars Distalis, Hyperplasia | 2 | 2 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | Follicular Cell, Hyperplasia | | 3 2.3| Follicular Cell, Vacuolization | | | Cytoplasmic | 2 3 2 2 2 3 2 3 3 3 3 3 3 3 3 3 3 3 2 3 2 3 3 1 3| 43 2.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + +| 15 | __________________________________________________________________________|____________| Penis | + | 1 | __________________________________________________________________________|____________| Preputial Gland | + + + | 4 | Inflammation, Chronic Active | 3 3 | 2 3.0| Duct, Dilatation | 3 | 2 3.0| __________________________________________________________________________|____________| Prostate | + + + + + + + +| 15 | Inflammation, Chronic Active | 4 | 1 4.0| __________________________________________________________________________|____________| Seminal Vesicle | + | 1 | Dilatation | 2 | 1 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + +| 14 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + I| 13 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + +| 20 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + M + + | 8 | Hematopoietic Cell Proliferation | 3 2 | 3 2.3| Inflammation, Chronic Active | 3 | 1 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + +| 24 | Depletion Lymphoid | 2 | 2 2.0| Hematopoietic Cell Proliferation | 3 3 | 5 3.2| Hyperplasia, Lymphoid | 3 | 1 3.0| __________________________________________________________________________|____________| Thymus | + + M + + + + M| 11 | Depletion Lymphoid | | 2 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + | 1 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + +| 25 | Acanthosis | | 3 2.3| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 84 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 6| 7| 6| 6| 5| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 7| 7| 5| 7| | DAY ON TEST | 9| 4| 5| 6| 2| 5| 7| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 9| 5| 5| 5| 8| 1| | | 0| 6| 1| 6| 6| 0| 7| 0| 0| 0| 1| 1| 1| 1| 2| 2| 2| 2| 3| 5| 3| 3| 3| 4| 1| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| A | 333 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 3-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | Parasite External | | 4 | Ulcer | 3 3 2 3| 5 2.6| Subcutaneous Tissue, Fibrosis | | 1 2.0| Subcutaneous Tissue, Inflammation, | | | Chronic Active | 3 | 2 3.0| Subcutaneous Tissue, Metaplasia, | | | Osseous | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + I + + + + + + + + + + + +| 39 | Tarsal, Hyperostosis | X X X X X X X X X X X X X X X X X| 29 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + +| 15 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | Inflammation, Chronic, Diffuse | 3 | 1 3.0| Alveolar Epithelium, Hyperplasia | 2 1 1 | 5 1.2| Alveolus, Hyperplasia, Macrophage | 3 | 1 3.0| Peribronchial, Inflammation, Chronic | | | Active | 1 1 | 2 1.0| Peribronchiolar, Inflammation, | | | Chronic Active | 1 1 2 2 2 | 16 1.7| Perivascular, Inflammation, Chronic | | | Active | 3 2 | 2 2.5| __________________________________________________________________________|____________| Nose | + + + + + + + +| 16 | __________________________________________________________________________|____________| Trachea | + + + + + + + +| 15 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | + | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + +| 17 | Cortex, Cyst | | 1 | Cortex, Infiltration Cellular, Focal,| | | Histiocyte | 3 | 1 3.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + +| 15 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 85 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 5| 7| 7| 5| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 7| 5| 7| 7| 7| 7| 7| 6| DAY ON TEST | 7| 4| 0| 3| 4| 4| 1| 4| 4| 4| 4| 4| 4| 4| 4| 5| 3| 4| 3| 4| 4| 4| 4| 5| 9| | 6| 3| 5| 2| 3| 3| 3| 3| 4| 4| 4| 4| 5| 5| 5| 8| 6| 5| 5| 6| 6| 6| 6| 0| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 333 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + +| __________________________________________________________________________| Gallbladder | A + M M A + + A| __________________________________________________________________________| Intestine Large | + + + + + A + + +| __________________________________________________________________________| Intestine Large, Cecum | A + + + + A + A +| __________________________________________________________________________| Intestine Large, Colon | + + + + A + + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Large, Rectum | + + + + A + + +| __________________________________________________________________________| Intestine Small | + + + + + A + + +| __________________________________________________________________________| Intestine Small, Duodenum | A + + + A + + +| __________________________________________________________________________| Intestine Small, Ileum | A + + + A + A +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + A + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X | Clear Cell Focus | X X X X | Eosinophilic Focus | X X X | Fibrosis | 2 | Hematopoietic Cell Proliferation | 4 | Infarct | 2| Mixed Cell Focus | | Bile Duct, Cyst | | Central Vein, Thrombosis | | Centrilobular, Cytomegaly | 2 1 2 2 1 2 2 2 2 2 3 2 1 2 2 2 | Centrilobular, Necrosis | 2 | __________________________________________________________________________| Mesentery | | Inflammation, Chronic Active | | __________________________________________________________________________| Pancreas | + + + + + + + +| Acinus, Inflammation, Chronic Active | | __________________________________________________________________________| Salivary Glands | + + + + + + + +| __________________________________________________________________________| Stomach | A + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | A + + + + + + + + +| Acanthosis | | Cyst Epithelial Inclusion | | Ulcer | 2 | __________________________________________________________________________| Stomach, Glandular | A + + + + + + +| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + I| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + I| Hyperplasia | 3 | Hypertrophy | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + I| _____________________________________________________________________________________________________________________| Page 86 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 5| 7| 7| 5| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 7| 5| 7| 7| 7| 7| 7| 6| DAY ON TEST | 7| 4| 0| 3| 4| 4| 1| 4| 4| 4| 4| 4| 4| 4| 4| 5| 3| 4| 3| 4| 4| 4| 4| 5| 9| | 6| 3| 5| 2| 3| 3| 3| 3| 4| 4| 4| 4| 5| 5| 5| 8| 6| 5| 5| 6| 6| 6| 6| 0| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 333 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + M| __________________________________________________________________________| Pituitary Gland | M + M + + + + + + + + + + + + + + + + + + + + + M| Pars Distalis, Hyperplasia | 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Artery, Inflammation, Chronic Active | | Follicular Cell, Hyperplasia | 2 2 | Follicular Cell, Vacuolization | | Cytoplasmic | 3 3 2 3 3 2 2 3 3 2 3 3 3 3 3 1 2 3 2 2 3 3 3 2 2| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + +| Inflammation, Chronic Active | | __________________________________________________________________________| Preputial Gland | + + | Inflammation, Chronic Active | 3 | Duct, Dilatation | 4 4 | __________________________________________________________________________| Prostate | + + + + + + + +| Inflammation, Chronic Active | 2 | __________________________________________________________________________| Seminal Vesicle | + | Dilatation | 2 | __________________________________________________________________________| Testes | + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + +| Femoral, Hyperplasia, Neutrophil | | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + M| Mandibular, Hyperplasia, Lymphoid | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + A + + + | Hemorrhage | | Inflammation, Chronic Active | | __________________________________________________________________________| Spleen | + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 3 3 4| Hyperplasia, Lymphoid | | __________________________________________________________________________| Thymus | M + + + + + + M| Depletion Lymphoid | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Skin | + + + + + + + + + + + +| Acanthosis | 2 | Parasite External | X X | Ulcer | 3 2 | _____________________________________________________________________________________________________________________| Page 87 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 5| 7| 7| 5| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 7| 6| 5| 7| 5| 7| 7| 7| 7| 7| 6| DAY ON TEST | 7| 4| 0| 3| 4| 4| 1| 4| 4| 4| 4| 4| 4| 4| 4| 5| 3| 4| 3| 4| 4| 4| 4| 5| 9| | 6| 3| 5| 2| 3| 3| 3| 3| 4| 4| 4| 4| 5| 5| 5| 8| 6| 5| 5| 6| 6| 6| 6| 0| 3| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 333 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Subcutaneous Tissue, Fibrosis | 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + +| Tarsal, Hyperostosis | X X X X X X X X X | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar Epithelium, Hyperplasia | 2 2 | Alveolus, Hyperplasia, Macrophage | | Peribronchial, Inflammation, Chronic | | Active | | Peribronchiolar, Inflammation, | | Chronic Active | 1 1 | Perivascular, Inflammation, Chronic | | Active | | __________________________________________________________________________| Nose | + + + + + + + A| Mucosa, Inflammation, Acute | | __________________________________________________________________________| Trachea | + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Harderian Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + +| Nephropathy, Chronic | 1 | Renal Tubule, Mineralization | 2 | __________________________________________________________________________| Urinary Bladder | A + + + A + + +| Dilatation | 4 | _____________________________________________________________________________________________________________________| Page 88 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 3| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 3| 7| 7| 7| 5| 7| | DAY ON TEST | 4| 2| 7| 1| 5| 5| 5| 7| 2| 5| 5| 0| 5| 5| 5| 6| 5| 5| 6| 9| 5| 5| 5| 6| 4| | | 0| 4| 3| 1| 0| 1| 1| 4| 8| 1| 1| 7| 2| 2| 2| 3| 2| 2| 9| 5| 3| 3| 3| 2| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 333 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + +| 19 | __________________________________________________________________________|____________| Gallbladder | A + + A + + + + + A +| 11 | __________________________________________________________________________|____________| Intestine Large | + + + A + + + + + + +| 18 | __________________________________________________________________________|____________| Intestine Large, Cecum | A + + A + + + + A A +| 13 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + A + + + + M + +| 16 | Parasite Metazoan | X | 1 | __________________________________________________________________________|____________| Intestine Large, Rectum | M + + A + + + + + + +| 16 | __________________________________________________________________________|____________| Intestine Small | + + + A + + + + + + + +| 19 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + A + + + + A A +| 14 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + A + + + + A A +| 13 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + A + + + + + + +| 18 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Basophilic Focus | X X | 3 | Clear Cell Focus | X | 5 | Eosinophilic Focus | | 3 | Fibrosis | | 1 2.0| Hematopoietic Cell Proliferation | 3 3 2| 4 3.0| Infarct | 4 | 2 3.0| Mixed Cell Focus | X X | 2 | Bile Duct, Cyst | X X | 2 | Central Vein, Thrombosis | X | 1 | Centrilobular, Cytomegaly | 2 3 2 2 2 2 1 2 2 2 2 2 2| 29 1.9| Centrilobular, Necrosis | | 1 2.0| __________________________________________________________________________|____________| Mesentery | + | 1 | Inflammation, Chronic Active | 3 | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + A + + + + A + +| 17 | Acinus, Inflammation, Chronic Active | 4 | 1 4.0| __________________________________________________________________________|____________| Salivary Glands | + + + + M M + + + + +| 17 | __________________________________________________________________________|____________| Stomach | + + + A + + + + + + + + + +| 22 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + A + + + + + + + + + +| 22 | Acanthosis | 3 | 1 3.0| Cyst Epithelial Inclusion | X | 1 | Ulcer | | 1 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + A + + + + + + + +| 18 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + +| 19 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 89 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 3| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 3| 7| 7| 7| 5| 7| | DAY ON TEST | 4| 2| 7| 1| 5| 5| 5| 7| 2| 5| 5| 0| 5| 5| 5| 6| 5| 5| 6| 9| 5| 5| 5| 6| 4| | | 0| 4| 3| 1| 0| 1| 1| 4| 8| 1| 1| 7| 2| 2| 2| 3| 2| 2| 9| 5| 3| 3| 3| 2| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 333 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + +| 18 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + +| 18 | Hyperplasia | | 1 3.0| Hypertrophy | 2 | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + +| 18 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + A + + + + A + +| 17 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + M + M + + +| 16 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + M + + + + + +| 45 | Pars Distalis, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + M + + + + + +| 48 | Artery, Inflammation, Chronic Active | 3 | 1 3.0| Follicular Cell, Hyperplasia | 2 2 2 2 2 | 7 2.0| Follicular Cell, Vacuolization | | | Cytoplasmic | 3 1 3 3 3 3 2 3 2 2 3 3 3 2 3 3 1 2 2 1 3| 46 2.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + +| 19 | Inflammation, Chronic Active | 4 2 | 2 3.0| __________________________________________________________________________|____________| Preputial Gland | + | 3 | Inflammation, Chronic Active | 4 | 2 3.5| Duct, Dilatation | | 2 4.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + +| 19 | Inflammation, Chronic Active | 2 2 | 3 2.0| __________________________________________________________________________|____________| Seminal Vesicle | | 1 | Dilatation | | 1 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + +| 19 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + +| 19 | Femoral, Hyperplasia, Neutrophil | 3 3 | 2 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + M + + + + + +| 22 | Mandibular, Hyperplasia, Lymphoid | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + | 6 | Hemorrhage | 4 | 1 4.0| Inflammation, Chronic Active | 2 | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + +| 24 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 90 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 3| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 3| 7| 7| 7| 5| 7| | DAY ON TEST | 4| 2| 7| 1| 5| 5| 5| 7| 2| 5| 5| 0| 5| 5| 5| 6| 5| 5| 6| 9| 5| 5| 5| 6| 4| | | 0| 4| 3| 1| 0| 1| 1| 4| 8| 1| 1| 7| 2| 2| 2| 3| 2| 2| 9| 5| 3| 3| 3| 2| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 333 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Hematopoietic Cell Proliferation | 4 3 4 3| 8 3.4| Hyperplasia, Lymphoid | 3 | 1 3.0| __________________________________________________________________________|____________| Thymus | M M + A + M + + M M +| 11 | Depletion Lymphoid | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + +| 26 | Acanthosis | 2 | 2 2.0| Parasite External | X X X | 5 | Ulcer | 2 | 3 2.3| Subcutaneous Tissue, Fibrosis | | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + +| 38 | Tarsal, Hyperostosis | X X X X X X X X X X X X X X X X X X X X | 29 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + +| 19 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Alveolar Epithelium, Hyperplasia | 1| 3 1.7| Alveolus, Hyperplasia, Macrophage | 4 | 1 4.0| Peribronchial, Inflammation, Chronic | | | Active | 1 | 1 1.0| Peribronchiolar, Inflammation, | | | Chronic Active | 2 2 1 1 2 | 7 1.4| Perivascular, Inflammation, Chronic | | | Active | 2 | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + +| 18 | Mucosa, Inflammation, Acute | 3 | 1 3.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + +| 19 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Harderian Gland | + + + | 3 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + +| 19 | Nephropathy, Chronic | 1 | 2 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 91 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 5| 3| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 6| 3| 7| 7| 7| 5| 7| | DAY ON TEST | 4| 2| 7| 1| 5| 5| 5| 7| 2| 5| 5| 0| 5| 5| 5| 6| 5| 5| 6| 9| 5| 5| 5| 6| 4| | | 0| 4| 3| 1| 0| 1| 1| 4| 8| 1| 1| 7| 2| 2| 2| 3| 2| 2| 9| 5| 3| 3| 3| 2| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| A | 333 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 10-3 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | Renal Tubule, Mineralization | | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + A + + + + + + +| 16 | Dilatation | 4 | 2 4.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 92 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 6| 6| 6| 5| 6| 0| 2| 1| 6| 7| 7| 7| 7| 7| 7| 7| 2| 7| 7| 7| 6| 6| 6| 6| DAY ON TEST | 4| 7| 8| 3| 2| 6| 0| 4| 9| 7| 4| 4| 4| 2| 4| 4| 4| 2| 4| 4| 4| 9| 7| 7| 5| | 3| 1| 8| 6| 5| 9| 3| 1| 9| 1| 3| 4| 4| 6| 4| 5| 5| 6| 5| 6| 6| 4| 2| 2| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 1000 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Gallbladder | + M M + + + A + A + + + + M + + M + + + + + + + M| __________________________________________________________________________| Intestine Large | + + + + + + + + A + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + A + + + A + A + + + + + + + + A + + + + + + A| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + A + + + + + + + + + + + + + + + +| Inflammation, Acute, Necrotizing | | Parasite Metazoan | X X X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + A + A + + + + + + + + A + + + + + + M| Parasite Metazoan | X X | __________________________________________________________________________| Intestine Small | + + + + + + A + A + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + A + A + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + A + A + + + + + + + + A + + + + + + A| Parasite Metazoan | | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + A + A + + + + + + + + A + + + + + + M| Inflammation, Chronic Active | 4 | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Eosinophilic Focus | X | Hematopoietic Cell Proliferation | 3 | Infarct | 2 4 3 1 2 2 3 2 2 2 1 2 2 2 3| Centrilobular, Cytomegaly | 1 2 1 1 2 2 1 1 2 2 1 1 2 1 1 | __________________________________________________________________________| Mesentery | + + | Angiectasis | 2 | Inflammation, Acute, Necrotizing | | Inflammation, Chronic Active | | __________________________________________________________________________| Pancreas | + + + + + + + + A + + + + + + + + A + + + + + + +| Acinus, Atrophy | 4 4 1 | Perivascular, Inflammation, Chronic | | Active | 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | | Perivascular, Inflammation, | | Suppurative | | __________________________________________________________________________| Stomach | + + + + + + + + A + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + A + + + + + + + + + + + + + + + +| Acanthosis | | Inflammation, Acute | 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + A + + + + + + + + + + + + + + + +| Dysplasia | | Inflammation, Chronic | | __________________________________________________________________________| Tooth | + | Incisor, Upper, Dysplasia | | Peridontal Tissue, Inflammation, | | Suppurative | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | _____________________________________________________________________________________________________________________| Page 93 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 6| 6| 6| 5| 6| 0| 2| 1| 6| 7| 7| 7| 7| 7| 7| 7| 2| 7| 7| 7| 6| 6| 6| 6| DAY ON TEST | 4| 7| 8| 3| 2| 6| 0| 4| 9| 7| 4| 4| 4| 2| 4| 4| 4| 2| 4| 4| 4| 9| 7| 7| 5| | 3| 1| 8| 6| 5| 9| 3| 1| 9| 1| 3| 4| 4| 6| 4| 5| 5| 6| 5| 6| 6| 4| 2| 2| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 1000 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Bacterium, Acute, Multiple | | Artery, Inflammation, Chronic Active | 2 | Valve, Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 | Hypertrophy | 2 2 1 1 1 3 1 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + A + + + + + + + + A + + + + + + +| __________________________________________________________________________| Parathyroid Gland | M + + M M + M + + + M M + M M M M M + M M M + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + M + + I + + + I + I + + + + + + M + +| Pars Distalis, Hyperplasia | 3 3 2 3 2 3 2 3 2 2 2 2 2 2 2 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 3 3 3 3 2 4 2 2 3 2 4 3 3 3 4 3 3 3 1 3 | Follicular Cell, Vacuolization | | Cytoplasmic | 2 4 3 3 3 2 3 4 3 4 2 3 3 4 3 2 4 3 4 3 3 4 3 4| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + M + + + + + + + +| Arteriole, Inflammation, Chronic | | Active | 1 | __________________________________________________________________________| Penis | + | __________________________________________________________________________| Preputial Gland | + | Inflammation, Chronic Active | 2 | Inflammation, Suppurative | | Duct, Dilatation | | __________________________________________________________________________| Prostate | + + + + + + + + + M + + + + + + + + + + + + + + +| Inflammation, Suppurative | 1 | Arteriole, Inflammation, Chronic | | Active | 1 | __________________________________________________________________________| Seminal Vesicle | + + | Dilatation | 2 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Arteriole, Inflammation, Chronic | | Active | 1 | Seminiferous Tubule, Degeneration | | _____________________________________________________________________________________________________________________| Page 94 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 6| 6| 6| 5| 6| 0| 2| 1| 6| 7| 7| 7| 7| 7| 7| 7| 2| 7| 7| 7| 6| 6| 6| 6| DAY ON TEST | 4| 7| 8| 3| 2| 6| 0| 4| 9| 7| 4| 4| 4| 2| 4| 4| 4| 2| 4| 4| 4| 9| 7| 7| 5| | 3| 1| 8| 6| 5| 9| 3| 1| 9| 1| 3| 4| 4| 6| 4| 5| 5| 6| 5| 6| 6| 4| 2| 2| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 1000 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Femoral, Hyperplasia, Neutrophil | 4 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + M + + + + + M + + + + + + +| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + | Hematopoietic Cell Proliferation | 3 2 2 | __________________________________________________________________________| Spleen | + + + + + + + + A + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 | __________________________________________________________________________| Thymus | M M + M + + M + + M + M + M M + M + M M M + M + M| Necrosis, Diffuse | 3 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite External | X X X X X X X X X X X X X X| Subcutaneous Tissue, Edema | | Subcutaneous Tissue, Fibrosis | | Subcutaneous Tissue, Inflammation, | | Chronic Active | 1 1 1 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Tarsal, Hyperostosis | X X X X X X | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Infarct | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic, Diffuse | 3 | Alveolar Epithelium, Hyperplasia | 2 3 | Alveolus, Hyperplasia, Macrophage | | Arteriole, Capillary, Inflammation, | | Suppurative | | Artery, Mediastinum, Inflammation, | | Suppurative | | Peribronchiolar, Inflammation, Acute,| | Necrotizing | 4 | Peribronchiolar, Inflammation, | | Chronic Active | 2 2 2 1 1 2 3 1 1| Perivascular, Inflammation, Chronic | | Active | | _____________________________________________________________________________________________________________________| Page 95 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 7| 6| 6| 6| 5| 6| 0| 2| 1| 6| 7| 7| 7| 7| 7| 7| 7| 2| 7| 7| 7| 6| 6| 6| 6| DAY ON TEST | 4| 7| 8| 3| 2| 6| 0| 4| 9| 7| 4| 4| 4| 2| 4| 4| 4| 2| 4| 4| 4| 9| 7| 7| 5| | 3| 1| 8| 6| 5| 9| 3| 1| 9| 1| 3| 4| 4| 6| 4| 5| 5| 6| 5| 6| 6| 4| 2| 2| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 1000 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Mucosa, Inflammation, Acute | 1 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | + | __________________________________________________________________________| Eye | + + | Atrophy | 4 2 | Inflammation | | Inflammation, Suppurative | 3 | __________________________________________________________________________| Harderian Gland | + + + + + + + + + | Inflammation, Chronic Active | 4 2 4 4 3 | Inflammation, Suppurative | 4 2 4 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 2 1 1 1 1 1 1 1 1 1 1 1 | Pelvis, Inflammation, Suppurative | 2 | Renal Tubule, Necrosis | 2 | __________________________________________________________________________| Urethra | + + + | Inflammation, Suppurative | 3 1 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + A + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 | Arteriole, Inflammation, Chronic | | Active | 1 | _____________________________________________________________________________________________________________________| Page 96 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 5| 6| 7| 6| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 1| 4| 5| 5| 1| 2| 5| 5| 9| 5| 0| 7| 3| 1| 9| 5| 5| 5| 8| 8| 5| 2| 5| 5| 5| | | 0| 6| 0| 0| 8| 3| 0| 1| 0| 0| 0| 6| 6| 5| 4| 1| 2| 2| 2| 9| 2| 7| 3| 3| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 1000 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Gallbladder | A M M + + + + + + A M + M + A + + + + A M + M + +| 33 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + A A + + + A + + + + + + + + + +| 42 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Acute, Necrotizing | 4 | 1 4.0| Parasite Metazoan | X X X X X | 8 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 46 | Parasite Metazoan | X X | 4 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + A + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Duodenum | M + + + + + + + + A A + + + + + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + A A + + + A + + + + + + + + + +| 43 | Parasite Metazoan | X X X X | 4 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + A + + + + A + + + + + + + + + +| 44 | Inflammation, Chronic Active | | 1 4.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Eosinophilic Focus | X | 2 | Hematopoietic Cell Proliferation | | 1 3.0| Infarct | 3 2 1 2 3 4 4 2 3 3 4 1 3 3 3 1 2 4 | 33 2.5| Centrilobular, Cytomegaly | 1 2 2 2 1 1 1 2 1 1 | 25 1.4| __________________________________________________________________________|____________| Mesentery | + + + | 5 | Angiectasis | | 1 2.0| Inflammation, Acute, Necrotizing | 3 | 1 3.0| Inflammation, Chronic Active | 2 | 1 2.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + A A + + + A + + + + + + + + + +| 45 | Acinus, Atrophy | 1 | 4 2.5| Perivascular, Inflammation, Chronic | | | Active | | 1 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy | 2 | 1 2.0| Perivascular, Inflammation, | | | Suppurative | 3 | 1 3.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Acanthosis | 2 | 1 2.0| Inflammation, Acute | | 1 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + A + + + + + + + + + +| 48 | Dysplasia | 2 | 1 2.0| Inflammation, Chronic | 2 2 | 2 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 97 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 5| 6| 7| 6| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 1| 4| 5| 5| 1| 2| 5| 5| 9| 5| 0| 7| 3| 1| 9| 5| 5| 5| 8| 8| 5| 2| 5| 5| 5| | | 0| 6| 0| 0| 8| 3| 0| 1| 0| 0| 0| 6| 6| 5| 4| 1| 2| 2| 2| 9| 2| 7| 3| 3| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 1000 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Tooth | + + +| 4 | Incisor, Upper, Dysplasia | 1 | 1 1.0| Peridontal Tissue, Inflammation, | | | Suppurative | 2| 2 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Bacterium, Acute, Multiple | 1 | 1 1.0| Artery, Inflammation, Chronic Active | | 1 2.0| Valve, Inflammation, Suppurative | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 | 3 1.7| Hypertrophy | 2 3 1| 10 1.7| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 | 2 1.5| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + A A + + + A + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Parathyroid Gland | + M + M + + + M + + + + + + M + + + + + + M + M +| 30 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + A M + + + + + + + + M M + + + +| 41 | Pars Distalis, Hyperplasia | 2 2 2 2 2 2 2 3 1 2 2 2 2 2 2 2| 32 2.2| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Follicular Cell, Hyperplasia | 3 2 2 3 1 2 2 2 2 2 3 2 2 3 2 2 2 2 2 4 3 3 2 2| 44 2.5| Follicular Cell, Vacuolization | | | Cytoplasmic | 3 2 3 3 3 4 3 4 3 3 4 3 3 2 3 4 4 4 3 2 3 3 4| 47 3.2| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Arteriole, Inflammation, Chronic | | | Active | | 1 1.0| __________________________________________________________________________|____________| Penis | | 1 | __________________________________________________________________________|____________| Preputial Gland | + | 2 | Inflammation, Chronic Active | | 1 2.0| Inflammation, Suppurative | 3 | 1 3.0| Duct, Dilatation | 3 | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 98 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 5| 6| 7| 6| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 1| 4| 5| 5| 1| 2| 5| 5| 9| 5| 0| 7| 3| 1| 9| 5| 5| 5| 8| 8| 5| 2| 5| 5| 5| | | 0| 6| 0| 0| 8| 3| 0| 1| 0| 0| 0| 6| 6| 5| 4| 1| 2| 2| 2| 9| 2| 7| 3| 3| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 1000 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Prostate | + + + + + + + + A + + + + + + + + + + + + + + +| 47 | Inflammation, Suppurative | | 1 1.0| Arteriole, Inflammation, Chronic | | | Active | | 1 1.0| __________________________________________________________________________|____________| Seminal Vesicle | | 2 | Dilatation | | 1 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Arteriole, Inflammation, Chronic | | | Active | | 1 1.0| Seminiferous Tubule, Degeneration | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + | 1 | __________________________________________________________________________|____________| Bone Marrow | + + + + A + + + + + + + + + + + + + + + + + + + +| 49 | Femoral, Hyperplasia, Neutrophil | | 1 4.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + M + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + | 7 | Hematopoietic Cell Proliferation | | 3 2.3| __________________________________________________________________________|____________| Spleen | + + + + + + + + + A + + + + + + + + + + + + + + +| 48 | Hematopoietic Cell Proliferation | 3 2 | 3 2.7| __________________________________________________________________________|____________| Thymus | M M M + M M + M I M + M I M M M I M M M + + M M M| 16 | Necrosis, Diffuse | | 2 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + M + + + + + +| 49 | Parasite External | X X X X X X X X X X X X X X| 28 | Subcutaneous Tissue, Edema | 4 | 1 4.0| Subcutaneous Tissue, Fibrosis | 3 | 1 3.0| Subcutaneous Tissue, Inflammation, | | | Chronic Active | 1 1 | 5 1.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Tarsal, Hyperostosis | X X X X X X X X X | 15 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infarct | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 99 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 5| 6| 7| 6| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| | DAY ON TEST | 1| 4| 5| 5| 1| 2| 5| 5| 9| 5| 0| 7| 3| 1| 9| 5| 5| 5| 8| 8| 5| 2| 5| 5| 5| | | 0| 6| 0| 0| 8| 3| 0| 1| 0| 0| 0| 6| 6| 5| 4| 1| 2| 2| 2| 9| 2| 7| 3| 3| 3| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 1000 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 0-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic, Diffuse | | 1 3.0| Alveolar Epithelium, Hyperplasia | | 2 2.5| Alveolus, Hyperplasia, Macrophage | 2 | 1 2.0| Arteriole, Capillary, Inflammation, | | | Suppurative | 4 | 1 4.0| Artery, Mediastinum, Inflammation, | | | Suppurative | 4 | 1 4.0| Peribronchiolar, Inflammation, Acute,| | | Necrotizing | | 1 4.0| Peribronchiolar, Inflammation, | | | Chronic Active | 2 2 1 1 1 2 2 3 2 2 3 1| 21 1.8| Perivascular, Inflammation, Chronic | | | Active | 2 | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mucosa, Inflammation, Acute | | 1 1.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | | 1 | __________________________________________________________________________|____________| Eye | + + + + | 6 | Atrophy | 4 4 2 | 5 3.2| Inflammation | 4 | 1 4.0| Inflammation, Suppurative | | 1 3.0| __________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + | 18 | Inflammation, Chronic Active | 4 4 3 1 1 | 10 3.0| Inflammation, Suppurative | 3 4 | 5 3.4| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Chronic | 1 1 1 1 1 2 2 2 1 1| 22 1.2| Pelvis, Inflammation, Suppurative | | 1 2.0| Renal Tubule, Necrosis | | 1 2.0| __________________________________________________________________________|____________| Urethra | | 3 | Inflammation, Suppurative | | 3 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + A + + + + + + + + + + + + + + +| 48 | Inflammation, Chronic Active | | 1 3.0| Arteriole, Inflammation, Chronic | | | Active | | 1 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 100 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 6| 4| 7| 7| 6| 2| 6| 6| 7| 7| 5| 7| 7| 6| 7| 7| 5| 7| 6| 7| 7| 7| 5| 6| 7| DAY ON TEST | 6| 4| 4| 4| 8| 6| 5| 6| 4| 4| 2| 4| 2| 8| 4| 4| 2| 1| 4| 2| 4| 4| 0| 9| 4| | 3| 9| 3| 3| 5| 0| 8| 9| 3| 3| 9| 4| 7| 5| 4| 4| 2| 8| 1| 7| 5| 5| 7| 3| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1000 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + M + + + +| __________________________________________________________________________| Gallbladder | + A + + + A A + + M M M M M + + A + M M + M A M +| Epithelium, Hypertrophy, Focal | 2| __________________________________________________________________________| Intestine Large | + A + + + A + + + + + + + + + + + + + + + + A + +| __________________________________________________________________________| Intestine Large, Cecum | + A + + + A A + + + + + + A + + A + A + + + A + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Large, Colon | + A + + + A + + + + + + + + + + + + + + + + A + +| Parasite Metazoan | X X X X | __________________________________________________________________________| Intestine Large, Rectum | + A + + + A A + + + M + + + + + A + A + + + A + +| Parasite Metazoan | X | __________________________________________________________________________| Intestine Small | + A + + + A + + + + + + + A + + A + A + + + A + +| __________________________________________________________________________| Intestine Small, Duodenum | + A + + + A + + + + + + + A + + A + A + + + A + +| __________________________________________________________________________| Intestine Small, Ileum | + A + + + A M + + + + M + A + + A + A + + + A + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Small, Jejunum | + A + + + A A + + + + + + A + + A + A + + + A + +| Lymphatic, Ectasia | 2 | __________________________________________________________________________| Liver | + + + + + A + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X | Eosinophilic Focus | X X X X X X X X| Infarct | 2 3 3 3 3 3 3 2 2 3 2 4 4 2 | Centrilobular, Cytomegaly | 3 3 2 3 2 2 2 2 2 2 2 2 2 3 2 2 2 2 2| Oval Cell, Hyperplasia | 3 3 | __________________________________________________________________________| Mesentery | + + + | __________________________________________________________________________| Pancreas | + + + + + A + + + + + + + + + + + + + + + + A + +| Acinus, Atrophy | 2| Duct, Ectasia | 1 | __________________________________________________________________________| Salivary Glands | + + + + + A + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + A + + + + + + + + + + + + + + + + A + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + A + + + + + + + + + + + + + + + A + +| __________________________________________________________________________| Stomach, Glandular | + A + + + A + + + + + + + + + + + + + + + A + +| Infiltration Cellular, Mast Cell | 2| Inflammation, Acute | 1 | __________________________________________________________________________| Tooth | | Peridontal Tissue, Inflammation, | | Suppurative | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Chronic | 3 | Mineralization | 2 | Thrombosis | X | Valve, Bacterium | 3 | Valve, Inflammation, Suppurative | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | _____________________________________________________________________________________________________________________| Page 101 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 6| 4| 7| 7| 6| 2| 6| 6| 7| 7| 5| 7| 7| 6| 7| 7| 5| 7| 6| 7| 7| 7| 5| 6| 7| DAY ON TEST | 6| 4| 4| 4| 8| 6| 5| 6| 4| 4| 2| 4| 2| 8| 4| 4| 2| 1| 4| 2| 4| 4| 0| 9| 4| | 3| 9| 3| 3| 5| 0| 8| 9| 3| 3| 9| 4| 7| 5| 4| 4| 2| 8| 1| 7| 5| 5| 7| 3| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1000 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________| Adrenal Gland | + + + + + A + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + A + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 | Hypertrophy | 1 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + A + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + A + + + + + + + + + + + + + + + + A + +| __________________________________________________________________________| Parathyroid Gland | + + + + + A + + M + M + + M + + + + + + M + + + +| __________________________________________________________________________| Pituitary Gland | + I + M + A + M M + + + + + + + + + M + + + + + +| Pars Distalis, Hyperplasia | 2 2 3 1 2 2 3 1 3 2 2 2 2 2 | __________________________________________________________________________| Thyroid Gland | + + + + + A + + + + + + + + + + + + + + + + + + +| Follicular Cell, Hyperplasia | 3 2 4 3 3 2 4 3 2 2 4 3 3 3 1 3 2 3 2 2 4 4 2| Follicular Cell, Vacuolization | | Cytoplasmic | 3 2 2 2 2 2 3 3 2 3 2 2 2 3 3 3 3 2 3 3 3 3 3| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + A + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | __________________________________________________________________________| Penis | + | __________________________________________________________________________| Preputial Gland | + | Duct, Dilatation | 2 | __________________________________________________________________________| Prostate | + + + + + A + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | __________________________________________________________________________| Testes | + + + + + A + + + + + + + + + + + + + + + + + + +| Seminiferous Tubule, Degeneration | 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + A + + + + + + + A + + A + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + + + A + + + + + + + + + M + + + + + + + + +| Lumbar, Necrosis | 3 | Pancreatic, Necrosis | 3 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + | Hematopoietic Cell Proliferation | 2 | __________________________________________________________________________| Spleen | + + + + + M + + + + + + + + + + + + + + + + A + +| Hematopoietic Cell Proliferation | 3 | __________________________________________________________________________| Thymus | + + M + M A M M M M + + M M M M M M M + M M M M +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | | _____________________________________________________________________________________________________________________| Page 102 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 _____________________________________________________________________________________________________________________ | 6| 4| 7| 7| 6| 2| 6| 6| 7| 7| 5| 7| 7| 6| 7| 7| 5| 7| 6| 7| 7| 7| 5| 6| 7| DAY ON TEST | 6| 4| 4| 4| 8| 6| 5| 6| 4| 4| 2| 4| 2| 8| 4| 4| 2| 1| 4| 2| 4| 4| 0| 9| 4| | 3| 9| 3| 3| 5| 0| 8| 9| 3| 3| 9| 4| 7| 5| 4| 4| 2| 8| 1| 7| 5| 5| 7| 3| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1000 PPM | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Parasite External | X X | Subcutaneous Tissue, Fibrosis | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Tarsal, Hyperostosis | X X X X X X X X X| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + A + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + A + + + + + + + + + + + + + + + + + + +| Alveolar Epithelium, Hyperplasia | 1 3 | Peribronchiolar, Inflammation, | | Chronic Active | 1 1 2 3 3 2 1 | __________________________________________________________________________| Nose | + + + + + A + + + + + + + + + + + + + + + + + + +| Mucosa, Inflammation, Acute | | __________________________________________________________________________| Trachea | + + + + + A + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + | Atrophy | 4 4 | __________________________________________________________________________| Harderian Gland | + + + + | Inflammation, Chronic Active | 3 2 | Inflammation, Suppurative | 4 | Necrosis | 4 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + A + + + + + + + + + + + + + + + + + + +| Infarct | 2 | Nephropathy, Chronic | 1 1 1 1 2 1 1 1 1 1| Renal Tubule, Necrosis | 3 | __________________________________________________________________________| Urethra | + | Inflammation, Suppurative | 3 | __________________________________________________________________________| Urinary Bladder | + + + + + A + + + + + + + + + + + + + + + + A + +| _____________________________________________________________________________________________________________________| Page 103 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 6| 6| 6| 5| 7| 2| 2| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| | DAY ON TEST | 4| 4| 4| 5| 5| 8| 5| 9| 9| 9| 5| 5| 9| 9| 0| 5| 5| 5| 5| 5| 3| 5| 4| 5| 9| | | 6| 6| 6| 0| 0| 5| 0| 7| 4| 7| 7| 1| 5| 7| 1| 1| 1| 2| 2| 2| 7| 3| 9| 3| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 1000 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + M + + +| 48 | __________________________________________________________________________|____________| Gallbladder | + + + + M + + + + + + M M A M M + + + + A + M + M| 27 | Epithelium, Hypertrophy, Focal | | 1 2.0| __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + A A + + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + A A + + + + + + + + A + +| 40 | Parasite Metazoan | X X X | 3 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + A A + + + + + + + + + + +| 45 | Parasite Metazoan | X X X X X | 9 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + A A + + + + + + + + + + +| 41 | Parasite Metazoan | X X X | 4 | __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + A A + + + + + + + + + + +| 42 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + A + + + + + + A A + + + + + + + + + + +| 41 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + A A + + + + + + + + + + +| 40 | Parasite Metazoan | X | 1 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + A A + + + + + + A + + + +| 40 | Lymphatic, Ectasia | | 1 2.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Basophilic Focus | | 1 | Eosinophilic Focus | X X X | 11 | Infarct | 1 2 2 2 3 3 2 2 2 2 2 2 2 3 1 4 1 3 2 2| 34 2.4| Centrilobular, Cytomegaly | 2 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 2 1 1 1 1| 40 2.0| Oval Cell, Hyperplasia | | 2 3.0| __________________________________________________________________________|____________| Mesentery | | 3 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + A + + + + + + + + + + +| 47 | Acinus, Atrophy | 2 | 2 2.0| Duct, Ectasia | | 1 1.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + +| 44 | Infiltration Cellular, Mast Cell | | 1 2.0| Inflammation, Acute | | 1 1.0| __________________________________________________________________________|____________| Tooth | + | 1 | Peridontal Tissue, Inflammation, | | | Suppurative | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Degeneration, Chronic | | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 104 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 6| 6| 6| 5| 7| 2| 2| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| | DAY ON TEST | 4| 4| 4| 5| 5| 8| 5| 9| 9| 9| 5| 5| 9| 9| 0| 5| 5| 5| 5| 5| 3| 5| 4| 5| 9| | | 6| 6| 6| 0| 0| 5| 0| 7| 4| 7| 7| 1| 5| 7| 1| 1| 1| 2| 2| 2| 7| 3| 9| 3| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 1000 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | Mineralization | | 1 2.0| Thrombosis | | 1 | Valve, Bacterium | | 1 3.0| Valve, Inflammation, Suppurative | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 1| 3 1.0| Hypertrophy | 2 1 1 1 2 | 7 1.4| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 2 2 | 4 1.8| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + A + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + M + M M + + + + + + M + + + + M +| 40 | __________________________________________________________________________|____________| Pituitary Gland | + + I + M + + + + + M + + I + + + M + + + + + + +| 39 | Pars Distalis, Hyperplasia | 2 2 2 3 2 2 2 2 2 2 2 | 25 2.1| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Follicular Cell, Hyperplasia | 3 2 2 2 4 3 4 4 4 3 3 3 1 3 4 3 3 3 3 1 2 3 3 3| 47 2.8| Follicular Cell, Vacuolization | | | Cytoplasmic | 2 2 3 3 2 2 1 3 2 2 3 4 3 3 1 2 2 2 2 4 3 3 1| 46 2.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Chronic Active | 2 | 1 2.0| __________________________________________________________________________|____________| Penis | | 1 | __________________________________________________________________________|____________| Preputial Gland | | 1 | Duct, Dilatation | | 1 2.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Suppurative | 4 2| 2 3.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Seminiferous Tubule, Degeneration | | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Lumbar, Necrosis | | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 105 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 6| 6| 6| 5| 7| 2| 2| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| | DAY ON TEST | 4| 4| 4| 5| 5| 8| 5| 9| 9| 9| 5| 5| 9| 9| 0| 5| 5| 5| 5| 5| 3| 5| 4| 5| 9| | | 6| 6| 6| 0| 0| 5| 0| 7| 4| 7| 7| 1| 5| 7| 1| 1| 1| 2| 2| 2| 7| 3| 9| 3| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 1000 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Pancreatic, Necrosis | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + +| 5 | Hematopoietic Cell Proliferation | 2 | 2 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + A + + + + + + + + + + +| 47 | Hematopoietic Cell Proliferation | | 1 3.0| __________________________________________________________________________|____________| Thymus | + M + + I M M M M M M I M A M M M + + + + + I + M| 16 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acanthosis | 1 | 1 1.0| Parasite External | X X X X | 6 | Subcutaneous Tissue, Fibrosis | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Tarsal, Hyperostosis | X X X X X X X X X X X X X X X | 24 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Alveolar Epithelium, Hyperplasia | 2 2 | 4 2.0| Peribronchiolar, Inflammation, | | | Chronic Active | 1 2 3 2 3 2 2 2 2 1 2 | 18 1.9| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Mucosa, Inflammation, Acute | 3 | 1 3.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + I + + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | 2 | Atrophy | | 2 4.0| __________________________________________________________________________|____________| Harderian Gland | + + | 6 | Inflammation, Chronic Active | | 2 2.5| Inflammation, Suppurative | | 1 4.0| Necrosis | | 1 4.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 106 NTP Experiment-Test: 05076-02 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC ETHYLENETHIOUREA Date: 04/29/97 Route: DOSED FEED Time: 18:14:58 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 7| 6| 6| 6| 5| 7| 2| 2| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| | DAY ON TEST | 4| 4| 4| 5| 5| 8| 5| 9| 9| 9| 5| 5| 9| 9| 0| 5| 5| 5| 5| 5| 3| 5| 4| 5| 9| | | 6| 6| 6| 0| 0| 5| 0| 7| 4| 7| 7| 1| 5| 7| 1| 1| 1| 2| 2| 2| 7| 3| 9| 3| 7| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | B6C3F1 MICE MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 1000 PPM | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| L | 10-10 | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | Infarct | | 1 2.0| Nephropathy, Chronic | 1 1 1 1 1 1 1 | 17 1.1| Renal Tubule, Necrosis | | 1 3.0| __________________________________________________________________________|____________| Urethra | | 1 | Inflammation, Suppurative | | 1 3.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 107 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------ --multipart-boundary Content-type: text/plain Range: bytes 1038416-1038416/1038416 --multipart-boundary--