TDMS Study 05158-03 Pathology Tables
NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 CORE STUDY Facility: Battelle Northwest Chemical CAS #: 0001313-27-5 Lock Date: 08/06/93 Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 5| 6| 7| 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 5| 7| 7| 5| 7| DAY ON TEST | 2| 0| 3| 9| 3| 1| 1| 7| 3| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 9| 3| | 7| 7| 7| 3| 0| 6| 6| 9| 7| 4| 6| 6| 7| 6| 6| 4| 6| 5| 6| 5| 9| 7| 7| 8| 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| FISCHER 344 RATS 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 | 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| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + A + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + A + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + A + + + + + + + + + + + + + + + + + +| Mineralization | | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + A + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + A + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + A A + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2| Basophilic Focus | X X X X X X X X X X X X X X X X X X X X X| Clear Cell Focus | X X X| Degeneration, Fatty | 3 3 3 3 1 1 1 | Eosinophilic Focus | | Hematopoietic Cell Proliferation | | Hepatodiaphragmatic Nodule | X X X | Mixed Cell Focus | X X X X | Necrosis | 1 | Vacuolization Cytoplasmic, Focal | 2 | Bile Duct, Hyperplasia | 3 2 3 2 1 1 2 | Centrilobular, Necrosis | 1 1 | __________________________________________________________________________| Mesentery | + + + | Fat, Necrosis | 2 2 | __________________________________________________________________________| Oral Mucosa | | __________________________________________________________________________| Pancreas | + + + + + + A + + + + + + + + + + + + + + + + + +| Atrophy | 2 2 1 2 1 1 1 1 | Basophilic Focus | X X | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 1 | Necrosis | 4 3 1 | __________________________________________________________________________| Stomach, Glandular | + + + + + + A + + + + + + + + + + + + + + + + + +| Mineralization | 1 1 1 1 2 | __________________________________________________________________________| Tongue | + | __________________________________________________________________________| Tooth | | Developmental Malformation | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 2 2 1 2 1 2 2 1 1 2 1 2 1 1 1 1 2 1 1 2| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + A + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 2 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 5| 6| 7| 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 5| 7| 7| 5| 7| DAY ON TEST | 2| 0| 3| 9| 3| 1| 1| 7| 3| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 9| 3| | 7| 7| 7| 3| 0| 6| 6| 9| 7| 4| 6| 6| 7| 6| 6| 4| 6| 5| 6| 5| 9| 7| 7| 8| 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| FISCHER 344 RATS 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 | 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| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Hyperplasia | 2 2 2 2 2 1 1 2 2 | Hypertrophy | 3 2 1 2 | Necrosis | | Vacuolization Cytoplasmic | 2 2 2 | __________________________________________________________________________| Adrenal Medulla | + + + + + + A + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 2 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + A + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Pituitary Gland | + + + + + + A + + + + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + A + + + + + + + + + + + + + + + + + +| Bilateral, C-Cell, Hyperplasia | 4 | C-Cell, Hyperplasia | 2 1 2 2 2 2 2 2 1 2 2 2 1 1 1 2 1 2 1 1| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + M M + + + + + M + + + + + + + + + + + +| Inflammation, Chronic Active | | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Hydrometra | 3 3| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + M + + M + + + + M + + + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + M + + M + + + + + + + +| Infiltration Cellular, Plasma Cell | 3 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mediastinal | + + + + M + + + + + + M + + M + M + + M + + + M +| __________________________________________________________________________| Spleen | + + + + + + A + + + + + + + + + + + + + + + + + +| Accessory Spleen | | Hematopoietic Cell Proliferation | | Hemorrhage | | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + M +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Atypical | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 3 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 7| 5| 6| 7| 6| 7| 7| 7| 7| 7| 5| 7| 7| 7| 7| 5| 7| 7| 5| 7| DAY ON TEST | 2| 0| 3| 9| 3| 1| 1| 7| 3| 7| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 5| 3| 3| 9| 3| | 7| 7| 7| 3| 0| 6| 6| 9| 7| 4| 6| 6| 7| 6| 6| 4| 6| 5| 6| 5| 9| 7| 7| 8| 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| FISCHER 344 RATS 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 | 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| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Hyperkeratosis | | Inflammation, Chronic Active | 3 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperostosis | 3 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + A + + + + + + + + + + + + + + + + + +| Epiglottis, Hyperplasia | 1 1 1 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar Epithelium, Hyperplasia | 1 2 1 1 | Alveolus, Inflammation, Chronic | 2 1 1 1 1 | Bronchiole, Hyperplasia | | __________________________________________________________________________| Nose | + + + + + + A + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 2 4| Thrombosis | 1 2 | Olfactory Epithelium, Degeneration, | | Hyaline | 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1| Respiratory Epithelium, Degeneration,| | Hyaline | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Degeneration | | __________________________________________________________________________| Harderian Gland | + | __________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Infarct | 2 | Nephropathy | 3 3 2 3 3 2 2 1 2 2 2 2 3 2 2 1 2 2 2 3 2 2 2 2 3| Renal Tubule, Hyperplasia | | __________________________________________________________________________| Urinary Bladder | + + + + + + A + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 4 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 6| 7| 6| 6| 7| 7| 7| 7| 1| 7| 7| 4| 7| 7| 7| 7| 4| 7| 7| | DAY ON TEST | 1| 3| 1| 3| 3| 8| 8| 3| 7| 3| 3| 3| 3| 0| 0| 1| 3| 6| 3| 3| 3| 3| 3| 3| 3| | | 6| 7| 5| 6| 5| 0| 8| 7| 9| 8| 5| 7| 6| 6| 6| 6| 7| 4| 5| 6| 7| 6| 3| 7| 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 | FISCHER 344 RATS 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 | 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| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Mineralization | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + A + + + + + + + A + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 1 | 3 1.7| Basophilic Focus | X X X X X X X X X X X X X X X X X X X X X X| 43 | Clear Cell Focus | X X X X | 7 | Degeneration, Fatty | 2 1 1 1 1 3 3 1 1 1 1 | 18 1.7| Eosinophilic Focus | X X X X X| 5 | Hematopoietic Cell Proliferation | 2 2 | 2 2.0| Hepatodiaphragmatic Nodule | X X | 5 | Mixed Cell Focus | X X X X X | 9 | Necrosis | 1 | 2 1.0| Vacuolization Cytoplasmic, Focal | 2 2 | 3 2.0| Bile Duct, Hyperplasia | 2 2 2 2 2 3 2 1 | 15 2.0| Centrilobular, Necrosis | 2 1 2 | 5 1.4| __________________________________________________________________________|____________| Mesentery | | 3 | Fat, Necrosis | | 2 2.0| __________________________________________________________________________|____________| Oral Mucosa | + | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Atrophy | 2 2 1 2 2 1 2 1 1 1 2 2 1| 21 1.5| Basophilic Focus | | 2 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | | 1 2.0| __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | | 1 1.0| Necrosis | | 3 2.7| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Mineralization | 2 1| 7 1.3| __________________________________________________________________________|____________| Tongue | | 1 | __________________________________________________________________________|____________| Tooth | + | 1 | Developmental Malformation | X | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR 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: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 6| 7| 6| 6| 7| 7| 7| 7| 1| 7| 7| 4| 7| 7| 7| 7| 4| 7| 7| | DAY ON TEST | 1| 3| 1| 3| 3| 8| 8| 3| 7| 3| 3| 3| 3| 0| 0| 1| 3| 6| 3| 3| 3| 3| 3| 3| 3| | | 6| 7| 5| 6| 5| 0| 8| 7| 9| 8| 5| 7| 6| 6| 6| 6| 7| 4| 5| 6| 7| 6| 3| 7| 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 | FISCHER 344 RATS 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 | 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| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 1 1 1 2 1 1 2 2 1 2 2 2 1 1 1 1 1 1 2| 41 1.4| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 2 1 2 2 3 2 2 1 2 2 1 2| 21 1.8| Hypertrophy | 2 3 2 2 1 | 9 2.0| Necrosis | 2 | 1 2.0| Vacuolization Cytoplasmic | 3 3 2 | 6 2.3| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 1 2 2 1 1 | 9 1.6| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Pars Distalis, Hyperplasia | 2 2 | 3 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Bilateral, C-Cell, Hyperplasia | | 1 4.0| C-Cell, Hyperplasia | 1 2 1 1 4 2 1 2 2 1 2 2 2 2 1 2 1 1 1 2 2| 41 1.6| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + M M + + + + + + + + + + + + + M + + + +| 44 | Inflammation, Chronic Active | 3 1 | 2 2.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 2 3 | 3 2.3| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hydrometra | | 2 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node | + + | 3 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + + M + + M + + + + + + + + + + + + + + + + + M +| 44 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + M + + + + + + + + + + + M + + + + + + + + +| 46 | Infiltration Cellular, Plasma Cell | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + M + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + M + + + + + + + + + + + + + + + + + M M + +| 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 6 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 6| 7| 6| 6| 7| 7| 7| 7| 1| 7| 7| 4| 7| 7| 7| 7| 4| 7| 7| | DAY ON TEST | 1| 3| 1| 3| 3| 8| 8| 3| 7| 3| 3| 3| 3| 0| 0| 1| 3| 6| 3| 3| 3| 3| 3| 3| 3| | | 6| 7| 5| 6| 5| 0| 8| 7| 9| 8| 5| 7| 6| 6| 6| 6| 7| 4| 5| 6| 7| 6| 3| 7| 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 | FISCHER 344 RATS 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 | 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| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Accessory Spleen | X| 1 | Hematopoietic Cell Proliferation | 4 3 2 4 | 4 3.3| Hemorrhage | 3 | 1 3.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + M + +| 48 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Atypical | 2 | 1 2.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperkeratosis | 2 | 1 2.0| Inflammation, Chronic Active | | 2 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperostosis | 2 3 2 | 4 2.5| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Epiglottis, Hyperplasia | | 3 1.0| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar Epithelium, Hyperplasia | 1 2 1 | 7 1.3| Alveolus, Inflammation, Chronic | 1 1 1 1 1 1 1 1 1 | 14 1.1| Bronchiole, Hyperplasia | 1 | 1 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + A + + + + + + + + + + + + + + +| 48 | Inflammation, Suppurative | 1 1 2 2 1 | 7 1.9| Thrombosis | 2 1 | 4 1.5| Olfactory Epithelium, Degeneration, | | | Hyaline | 1 1 1 2 1 1 1 2 2 2 2 1 1 2 2 1 1 1| 39 1.2| Respiratory Epithelium, Degeneration,| | | Hyaline | 1 | 1 1.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 1 | Degeneration | 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 7 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 6| 6| 7| 6| 6| 7| 7| 7| 7| 1| 7| 7| 4| 7| 7| 7| 7| 4| 7| 7| | DAY ON TEST | 1| 3| 1| 3| 3| 8| 8| 3| 7| 3| 3| 3| 3| 0| 0| 1| 3| 6| 3| 3| 3| 3| 3| 3| 3| | | 6| 7| 5| 6| 5| 0| 8| 7| 9| 8| 5| 7| 6| 6| 6| 6| 7| 4| 5| 6| 7| 6| 3| 7| 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 | FISCHER 344 RATS 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 | 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| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Harderian Gland | | 1 | __________________________________________________________________________|____________| Zymbal's Gland | + | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infarct | | 1 2.0| Nephropathy | 2 2 2 3 2 3 1 2 2 1 2 3 2 2 3 3 2 3 2 2 3 2 2| 48 2.2| Renal Tubule, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| 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 8 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 6| 6| 7| 7| 6| 6| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 5| 5| 7| 6| 7| 7| DAY ON TEST | 0| 6| 3| 3| 6| 0| 3| 1| 3| 2| 3| 3| 9| 2| 3| 3| 3| 3| 3| 2| 8| 3| 1| 3| 3| | 0| 0| 7| 5| 3| 9| 6| 6| 6| 7| 6| 7| 3| 1| 7| 6| 7| 7| 5| 5| 3| 7| 8| 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| FISCHER 344 RATS 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 | 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| 10 MG/M3 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + A + + + + + + + + + + + + + + + + +| Necrosis | | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + A + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + A + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + A + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + A + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + A + + + + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | X X X X X X X X X X X X X X X X X X X X X| Clear Cell Focus | X X | Degeneration, Fatty | 2 1 3 4 1 3 2 3 1 | Eosinophilic Focus | | Hepatodiaphragmatic Nodule | X X X X | Mixed Cell Focus | X X X | Necrosis | 1 | Thrombosis | 3 | Vacuolization Cytoplasmic, Focal | 3 | Bile Duct, Hyperplasia | 2 1 3 2 2 2 2 | Centrilobular, Necrosis | 2 1 2 1 | __________________________________________________________________________| Mesentery | + + + + + + +| Fat, Necrosis | 2 2 2 2 3 3 3| __________________________________________________________________________| Pancreas | + + + + + + + A + + + + + + + + + + + + + + + + +| Atrophy | 1 2 2 1 2 3 2 1 | Basophilic Focus | | Hyperplasia | 3 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + A + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 2 3 | Mineralization | 1 | Necrosis | 4 3 4 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + A + + + + + + + + + + + + + + + + +| Mineralization | 1 1 1 2 2 | Necrosis | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 2 2 1 1 1 1 1 2 2 2 2 1 2 1 1 2 1 1| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + A + + + + + + + + + + + + + + + + +| Degeneration, Cystic | | _____________________________________________________________________________________________________________________| Page 9 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 6| 6| 7| 7| 6| 6| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 5| 5| 7| 6| 7| 7| DAY ON TEST | 0| 6| 3| 3| 6| 0| 3| 1| 3| 2| 3| 3| 9| 2| 3| 3| 3| 3| 3| 2| 8| 3| 1| 3| 3| | 0| 0| 7| 5| 3| 9| 6| 6| 6| 7| 6| 7| 3| 1| 7| 6| 7| 7| 5| 5| 3| 7| 8| 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| FISCHER 344 RATS 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 | 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| 10 MG/M3 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | Hyperplasia | 1 1 2 2 2 2 2 3 1 2| Hypertrophy | 2 2 2 2 2 2 | Necrosis | 3 2 | Vacuolization Cytoplasmic | 3 3 2 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + A + + + + + + + + + + + + + + + + +| Hyperplasia | 1 2 2 2 2 2 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + A + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | 3 | Pars Distalis, Hyperplasia | 2 1 2 3 1 2 3| __________________________________________________________________________| Thyroid Gland | + + + + + + + A + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 1 1 2 1 3 1 1 1 1 1 1 2 2 1 1 2 2| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 | Inflammation, Chronic Active | 4 2 3 4 | Duct, Hyperplasia, Squamous | 2 3 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 3 | __________________________________________________________________________| Uterus | + + + + + + + A + + + + + + + + + + + + + + + + +| Endometrium, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + A + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + + | Pancreatic, Pigmentation | 3 | Renal, Hemorrhage | | __________________________________________________________________________| Lymph Node, Bronchial | + M + + + M + A M + + + + + M + + + M + M + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + M + A + + + + + M + + + + + + + + + + +| Infiltration Cellular, Plasma Cell | 3 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + A + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mediastinal | + + + M + + M + M + + + + + M M + + + + + + + + +| Hemorrhage | | __________________________________________________________________________| Spleen | + + + + + + + A + + + + + + + + + + + + + + + + +| Fibrosis | 2 2 3 | Hematopoietic Cell Proliferation | 3 | Hemorrhage | 3 3 | _____________________________________________________________________________________________________________________| Page 10 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 6| 6| 7| 7| 6| 6| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 5| 5| 7| 6| 7| 7| DAY ON TEST | 0| 6| 3| 3| 6| 0| 3| 1| 3| 2| 3| 3| 9| 2| 3| 3| 3| 3| 3| 2| 8| 3| 1| 3| 3| | 0| 0| 7| 5| 3| 9| 6| 6| 6| 7| 6| 7| 3| 1| 7| 6| 7| 7| 5| 5| 3| 7| 8| 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| FISCHER 344 RATS 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 | 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| 10 MG/M3 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Thymus | + + + + + + + + + M + + + + + + + + M + M + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Galactocele | 3 | Hyperplasia, Atypical | 3 | Inflammation, Chronic Active | 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + I + + + + + + + + + + +| Hyperkeratosis | 4 | Inflammation, Chronic Active | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | | Hyperostosis | 2 3 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Thrombosis | | Meninges, Hyperplasia | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + A + + + + + + + + + + + + + + + + +| Epiglottis, Hyperplasia | 1 1 1 1 1 | Epiglottis, Metaplasia, Squamous | 2 1 1 1 1 1 4 1 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Metaplasia, Focal | 3 | Metaplasia, Squamous | 1 | Alveolar Epithelium, Hyperplasia | 1 2 1 2 1| Alveolus, Infiltration Cellular, | | Histiocyte | 1 | Alveolus, Inflammation, Chronic | 1 1 | __________________________________________________________________________| Nose | + + + + + + + A + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 1 | Thrombosis | 3 4 2 2 | Olfactory Epithelium, Degeneration, | | Hyaline | 1 1 1 1 1 2 1 2 1 2 2 1 2 2 1 2 2 2 2 2 1 3| Olfactory Epithelium, Metaplasia, | | Focal | | Respiratory Epithelium, Degeneration,| | Hyaline | 1 1 1 1 1 1 1 1| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 11 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 6| 6| 7| 7| 6| 6| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 6| 7| 7| 5| 5| 7| 6| 7| 7| DAY ON TEST | 0| 6| 3| 3| 6| 0| 3| 1| 3| 2| 3| 3| 9| 2| 3| 3| 3| 3| 3| 2| 8| 3| 1| 3| 3| | 0| 0| 7| 5| 3| 9| 6| 6| 6| 7| 6| 7| 3| 1| 7| 6| 7| 7| 5| 5| 3| 7| 8| 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| FISCHER 344 RATS 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 | 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| 10 MG/M3 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | | | __________________________________________________________________________| Eye | + + + + + | Cataract | 3 | Degeneration | 4 3 3 4 | __________________________________________________________________________| Zymbal's Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + A + + + + + + + + + + + + + + + + +| Cyst | 2 | Nephropathy | 2 3 3 2 2 2 3 2 2 1 2 2 1 3 2 2 2 2 1 3 2 2 2| Renal Tubule, Hyperplasia | 1 | Transitional Epithelium, | | Mineralization | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Transitional Epithelium, Hyperplasia | | _____________________________________________________________________________________________________________________| Page 12 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 6| 7| 7| 4| 5| 7| 6| 7| 6| 5| 7| 6| 6| 7| 7| 5| 7| 6| 7| 7| 7| 7| | DAY ON TEST | 3| 2| 7| 7| 3| 3| 8| 9| 3| 9| 3| 2| 8| 0| 4| 8| 3| 3| 7| 2| 0| 3| 3| 3| 3| | | 5| 1| 1| 4| 6| 6| 5| 9| 5| 2| 6| 9| 1| 6| 0| 1| 5| 7| 3| 1| 8| 7| 7| 7| 6| 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 | FISCHER 344 RATS 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 | 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 | 10 MG/M3 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Necrosis | 4 | 1 4.0| __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Angiectasis | 2 | 1 2.0| Basophilic Focus | X X X X X X X X X X X X X X X X X X X X X X X| 44 | Clear Cell Focus | X X X | 5 | Degeneration, Fatty | 3 2 1 2 1 3 3 1 1| 18 2.1| Eosinophilic Focus | X | 1 | Hepatodiaphragmatic Nodule | X X X X X X | 10 | Mixed Cell Focus | X X X X X X| 9 | Necrosis | | 1 1.0| Thrombosis | | 1 3.0| Vacuolization Cytoplasmic, Focal | 2 | 2 2.5| Bile Duct, Hyperplasia | 2 3 2 1 | 11 2.0| Centrilobular, Necrosis | 2 2 1 | 7 1.6| __________________________________________________________________________|____________| Mesentery | + + + + | 11 | Fat, Necrosis | 2 2 2 2 | 11 2.3| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Atrophy | 1 2 1 | 11 1.6| Basophilic Focus | X | 1 | Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 2| 1 2.0| __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Squamous | | 2 2.5| Mineralization | | 1 1.0| Necrosis | 4 4 | 5 3.8| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Mineralization | 1 1 1 1 1 1| 11 1.2| Necrosis | 1 | 2 1.5| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 13 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 6| 7| 7| 4| 5| 7| 6| 7| 6| 5| 7| 6| 6| 7| 7| 5| 7| 6| 7| 7| 7| 7| | DAY ON TEST | 3| 2| 7| 7| 3| 3| 8| 9| 3| 9| 3| 2| 8| 0| 4| 8| 3| 3| 7| 2| 0| 3| 3| 3| 3| | | 5| 1| 1| 4| 6| 6| 5| 9| 5| 2| 6| 9| 1| 6| 0| 1| 5| 7| 3| 1| 8| 7| 7| 7| 6| 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 | FISCHER 344 RATS 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 | 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 | 10 MG/M3 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | Cardiomyopathy | 1 3 2 2 1 2 2 1 1 2 1 1 2 2 1 2 1 2 2 2 1 1| 41 1.5| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Degeneration, Cystic | 2 2 | 2 2.0| Hyperplasia | 2 2 2 2 1 2 2 2 2 1 2 2 2| 23 1.8| Hypertrophy | 2 1 2 2 | 10 1.9| Necrosis | 2 | 3 2.3| Vacuolization Cytoplasmic | 2 2 3 | 6 2.5| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 2 1 3 1 2 | 12 1.8| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 2 | 2 2.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + M + + + + + + + +| 49 | Hyperplasia | 3 | 2 2.5| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Cyst | | 1 3.0| Pars Distalis, Hyperplasia | 2 4 | 9 2.2| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | C-Cell, Hyperplasia | 3 1 1 2 2 1 1 1 2 3 3 2 2 2 1 1 1 2 1 1| 37 1.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | M + + + + + + + + + + + + + + + + + + M + + + + +| 48 | Hyperplasia | 3 | 2 2.0| Inflammation, Chronic Active | 2 2 | 6 2.8| Duct, Hyperplasia, Squamous | | 2 2.5| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 2 3 2 3 | 6 2.8| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Endometrium, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Lymph Node | + + + + | 8 | Pancreatic, Pigmentation | | 1 3.0| Renal, Hemorrhage | 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 14 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 6| 7| 7| 4| 5| 7| 6| 7| 6| 5| 7| 6| 6| 7| 7| 5| 7| 6| 7| 7| 7| 7| | DAY ON TEST | 3| 2| 7| 7| 3| 3| 8| 9| 3| 9| 3| 2| 8| 0| 4| 8| 3| 3| 7| 2| 0| 3| 3| 3| 3| | | 5| 1| 1| 4| 6| 6| 5| 9| 5| 2| 6| 9| 1| 6| 0| 1| 5| 7| 3| 1| 8| 7| 7| 7| 6| 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 | FISCHER 344 RATS 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 | 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 | 10 MG/M3 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Lymph Node, Bronchial | M + + + M + + M + + + + M + + + + + M + M M + + +| 36 | __________________________________________________________________________|____________| Lymph Node, Mandibular | M M M + + + + + + + + + M M + + + M + + + + + + +| 41 | Infiltration Cellular, Plasma Cell | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | M + + + + + + + + + + + + + + + M M + + M + + + +| 41 | Hemorrhage | 2 | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Fibrosis | | 3 2.3| Hematopoietic Cell Proliferation | 2 | 2 2.5| Hemorrhage | | 2 3.0| __________________________________________________________________________|____________| Thymus | + + + + + M + + + + + + + + + + + + + M + + + + +| 45 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Galactocele | | 1 3.0| Hyperplasia, Atypical | | 1 3.0| Inflammation, Chronic Active | | 1 3.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperkeratosis | | 1 4.0| Inflammation, Chronic Active | 3| 2 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrous Osteodystrophy | 2 | 1 2.0| Hyperostosis | 4 1 | 4 2.5| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Thrombosis | 2 | 1 2.0| Meninges, Hyperplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Epiglottis, Hyperplasia | 1 1 1 1 1 | 10 1.0| Epiglottis, Metaplasia, Squamous | 2 1 1 1 1 1 1 1 1 1| 18 1.3| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Metaplasia, Focal | | 1 3.0| Metaplasia, Squamous | | 1 1.0| Alveolar Epithelium, Hyperplasia | 4 1 1 2 1 | 10 1.6| __________________________________________________________________________________________________________________________________ * : 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 15 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 6| 7| 7| 4| 5| 7| 6| 7| 6| 5| 7| 6| 6| 7| 7| 5| 7| 6| 7| 7| 7| 7| | DAY ON TEST | 3| 2| 7| 7| 3| 3| 8| 9| 3| 9| 3| 2| 8| 0| 4| 8| 3| 3| 7| 2| 0| 3| 3| 3| 3| | | 5| 1| 1| 4| 6| 6| 5| 9| 5| 2| 6| 9| 1| 6| 0| 1| 5| 7| 3| 1| 8| 7| 7| 7| 6| 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 | FISCHER 344 RATS 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 | 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 | 10 MG/M3 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Alveolus, Infiltration Cellular, | | | Histiocyte | | 1 1.0| Alveolus, Inflammation, Chronic | 2 1 1 2 1 1 1 2 1 1 1| 13 1.2| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Suppurative | 1 | 2 1.0| Thrombosis | 2 | 5 2.6| Olfactory Epithelium, Degeneration, | | | Hyaline | 1 1 1 2 2 2 3 1 1 1 2 1 1 2 1 1 1 1 1 1 2 2 2 1 2| 47 1.5| Olfactory Epithelium, Metaplasia, | | | Focal | 4 | 1 4.0| Respiratory Epithelium, Degeneration,| | | Hyaline | 2 1 2 1 1 | 13 1.2| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 6 | Cataract | | 1 3.0| Degeneration | | 4 3.5| __________________________________________________________________________|____________| Zymbal's Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cyst | | 1 2.0| Nephropathy | 3 4 2 1 2 3 2 3 2 1 3 3 2 2 3 3 3 1 2 2 3 3 3 2| 47 2.3| Renal Tubule, Hyperplasia | 3 4 | 3 2.7| Transitional Epithelium, | | | Mineralization | 4 | 1 4.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Transitional Epithelium, Hyperplasia | 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 16 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 4| 7| 7| 5| 7| 3| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 5| DAY ON TEST | 3| 3| 2| 3| 3| 3| 6| 3| 3| 6| 3| 2| 3| 5| 3| 3| 3| 2| 9| 3| 3| 3| 0| 3| 8| | 5| 4| 9| 7| 5| 6| 4| 6| 6| 0| 7| 6| 5| 3| 0| 7| 6| 1| 3| 7| 6| 7| 6| 6| 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| FISCHER 344 RATS 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 | 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| 30 MG/M3 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + I + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 | Basophilic Focus | X X X X X X X X X X X X X X X X X X X X X X X| Clear Cell Focus | X X X X X | Degeneration, Fatty | 1 1 1 1 2 1 | Eosinophilic Focus | X | Hematopoietic Cell Proliferation | 1 | Hepatodiaphragmatic Nodule | X X X X | Mixed Cell Focus | X X | Necrosis | 2 | Bile Duct, Hyperplasia | 1 2 1 2 2 2 1 | Centrilobular, Necrosis | 1 | __________________________________________________________________________| Mesentery | + + + | Artery, Inflammation, Chronic Active | 3 | Fat, Necrosis | 3 2 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 1 1 1 1 1 1 | Basophilic Focus | | Hyperplasia | 2 | Artery, Inflammation | 3 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 2 | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 1 | Mineralization | | Necrosis | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 1 | Mineralization | 1 1 1 2 1 | Necrosis | | __________________________________________________________________________| Tongue | + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 2 1 2 1 2 1 2 1 1 1 3 1 1 1 2 1 2 2 2 1 1| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | _____________________________________________________________________________________________________________________| Page 17 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 4| 7| 7| 5| 7| 3| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 5| DAY ON TEST | 3| 3| 2| 3| 3| 3| 6| 3| 3| 6| 3| 2| 3| 5| 3| 3| 3| 2| 9| 3| 3| 3| 0| 3| 8| | 5| 4| 9| 7| 5| 6| 4| 6| 6| 0| 7| 6| 5| 3| 0| 7| 6| 1| 3| 7| 6| 7| 6| 6| 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| FISCHER 344 RATS 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 | 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| 30 MG/M3 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 3 | Hyperplasia | 2 2 1 2 3 2 2 2 1 2 2 2 | Hypertrophy | 2 3 1 3 1 | Vacuolization Cytoplasmic | 3 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 3 2 1 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + M + + + + + + +| Hyperplasia | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | | Pars Distalis, Hyperplasia | 2 2 2 2 3 2 2| __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 1 3 2 1 3 2 2 1 3 2 1 2 1 1 1 2 2 1 2 2 1 1| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + M + + M + + + M + +| Hyperplasia | 2 | Inflammation, Chronic Active | 4 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 1 3 2 | Hyperplasia, Tubular | 4 | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + | Pancreatic, Hemorrhage | 2 | Renal, Ectasia | 2 | __________________________________________________________________________| Lymph Node, Bronchial | + M M + + + M + + + + + + + M + + M M + + M + M M| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + M + + + + + + M| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mediastinal | M + + + + + + M + + + + + + + + + + + + + + + M M| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 3 | Hematopoietic Cell Proliferation | 2 2 4 4 | Hemorrhage | | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | _____________________________________________________________________________________________________________________| Page 18 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 4| 7| 7| 5| 7| 3| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 5| DAY ON TEST | 3| 3| 2| 3| 3| 3| 6| 3| 3| 6| 3| 2| 3| 5| 3| 3| 3| 2| 9| 3| 3| 3| 0| 3| 8| | 5| 4| 9| 7| 5| 6| 4| 6| 6| 0| 7| 6| 5| 3| 0| 7| 6| 1| 3| 7| 6| 7| 6| 6| 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| FISCHER 344 RATS 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 | 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| 30 MG/M3 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + M + +| Hyperplasia, Atypical | 2 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | | Hyperostosis | 3 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Epiglottis, Hyperplasia | 1 1 | Epiglottis, Metaplasia, Squamous | 2 2 2 2 2 2 3 1 2 1 2 1 2 2| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar Epithelium, Hyperplasia | 1 3 3 2 1 | Alveolus, Inflammation, Chronic | 2 2 2 1 3 1 1 2 1 1 2 2 1 1 1 2 2 1 2 1 1 1| __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 3 1 2 | Thrombosis | 2 | Olfactory Epithelium, Degeneration, | | Hyaline | 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| Respiratory Epithelium, Degeneration,| | Hyaline | 2 2 1 2 3 2 2 2 2 1 3 3 2 2 2 2 2 2 1 2 1 2 2 2 3| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Cataract | | __________________________________________________________________________| Harderian Gland | + | __________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 | Nephropathy | 3 1 2 3 2 2 1 2 2 2 2 1 2 1 1 1 2 2 2 3 2 2 2 | Renal Tubule, Hyperplasia | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 19 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 6| 7| 7| 7| 7| 7| 6| 5| 5| 6| 6| 5| 7| 7| 6| 7| 5| 6| 6| 7| 6| 7| | DAY ON TEST | 0| 5| 3| 0| 2| 3| 3| 3| 3| 1| 8| 4| 6| 8| 4| 3| 3| 8| 3| 3| 9| 5| 3| 8| 3| | | 6| 0| 7| 4| 9| 5| 5| 6| 6| 5| 3| 1| 5| 8| 1| 7| 7| 6| 7| 1| 2| 3| 6| 6| 6| 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 | FISCHER 344 RATS 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 | 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 | 30 MG/M3 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + A + + + + + + + A + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + A + + + + + A + + + + + + + A + + + + + + +| 46 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + A + + + + + A + + + + + + + A + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + A + + + + + A + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + A + + + + + A + + + + + + + A + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + A + + + + + A + + + + + + + A + + + + + + +| 47 | Inflammation, Chronic Active | | 1 3.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 1 2 3 | 4 1.8| Basophilic Focus | X X X X X X X X X X X X X X X X X X X X| 43 | Clear Cell Focus | X X X X X X| 11 | Degeneration, Fatty | 3 4 1 1 3 2 3 | 13 1.8| Eosinophilic Focus | X | 2 | Hematopoietic Cell Proliferation | | 1 1.0| Hepatodiaphragmatic Nodule | X X X X X | 9 | Mixed Cell Focus | X X X X | 6 | Necrosis | | 1 2.0| Bile Duct, Hyperplasia | 1 1 3 2 1 | 12 1.6| Centrilobular, Necrosis | 1 | 2 1.0| __________________________________________________________________________|____________| Mesentery | + + | 5 | Artery, Inflammation, Chronic Active | | 1 3.0| Fat, Necrosis | 3 2 | 4 2.5| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 2 2 2 2 1 1 2 2 1 | 15 1.4| Basophilic Focus | X X| 2 | Hyperplasia | | 1 2.0| Artery, Inflammation | | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | | 2 2.0| __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Squamous | | 1 1.0| Mineralization | 1 | 1 1.0| Necrosis | 2 4 | 2 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 1 1.0| Mineralization | 1 1 1 | 8 1.1| Necrosis | 3 2 3 | 3 2.7| __________________________________________________________________________|____________| Tongue | | 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 20 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 6| 7| 7| 7| 7| 7| 6| 5| 5| 6| 6| 5| 7| 7| 6| 7| 5| 6| 6| 7| 6| 7| | DAY ON TEST | 0| 5| 3| 0| 2| 3| 3| 3| 3| 1| 8| 4| 6| 8| 4| 3| 3| 8| 3| 3| 9| 5| 3| 8| 3| | | 6| 0| 7| 4| 9| 5| 5| 6| 6| 5| 3| 1| 5| 8| 1| 7| 7| 6| 7| 1| 2| 3| 6| 6| 6| 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 | FISCHER 344 RATS 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 | 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 | 30 MG/M3 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 1 2 1 2 1 1 1 1 2 1 1 2 2 1 1 1 1 2 2| 43 1.4| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Degeneration, Cystic | 3 | 2 3.0| Hyperplasia | 2 2 2 2 1 2 2 2 2 2 2 2 2 2| 26 1.9| Hypertrophy | 2 3 2 | 8 2.1| Vacuolization Cytoplasmic | 2 2 2 | 4 2.3| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 2 2 2 2 2 2 3 | 12 1.9| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | + + + M + + + + + + + + + + + + + + + + + + + + +| 48 | Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Cyst | 3 | 1 3.0| Pars Distalis, Hyperplasia | 3 2 | 9 2.2| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 1 1 2 1 3 2 2 2 2 2 2 2 1 1 1 1 4 2 2| 42 1.7| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | Hyperplasia | | 1 2.0| Inflammation, Chronic Active | 3 2 2 | 4 2.8| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 2 2 2 2| 7 2.0| Hyperplasia, Tubular | | 1 4.0| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node | + | 2 | Pancreatic, Hemorrhage | | 1 2.0| Renal, Ectasia | | 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 21 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 6| 7| 7| 7| 7| 7| 6| 5| 5| 6| 6| 5| 7| 7| 6| 7| 5| 6| 6| 7| 6| 7| | DAY ON TEST | 0| 5| 3| 0| 2| 3| 3| 3| 3| 1| 8| 4| 6| 8| 4| 3| 3| 8| 3| 3| 9| 5| 3| 8| 3| | | 6| 0| 7| 4| 9| 5| 5| 6| 6| 5| 3| 1| 5| 8| 1| 7| 7| 6| 7| 1| 2| 3| 6| 6| 6| 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 | FISCHER 344 RATS 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 | 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 | 30 MG/M3 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + M + + M + + + + + M + + + + M + + + + + +| 37 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + M + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | M + + + + + + + + + + + + + + + M + + + + + + M +| 43 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | 2 2 3 3 | 5 2.6| Hematopoietic Cell Proliferation | 2 3 | 6 2.8| Hemorrhage | 2 | 1 2.0| __________________________________________________________________________|____________| Thymus | + + M + + + M + M + + + + + + + + + + + + + + + +| 47 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Atypical | | 1 2.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 2 2 | 2 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrous Osteodystrophy | 3 | 1 3.0| Hyperostosis | | 1 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Spinal Cord | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + A + + + + + + + + + + + + + + + + + + + + +| 49 | Epiglottis, Hyperplasia | 1 1 1| 5 1.0| Epiglottis, Metaplasia, Squamous | 1 2 3 2 1 2 2 1 1 2 1 1 1 1 1 | 29 1.7| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar Epithelium, Hyperplasia | 1 1 4 2 1 3 1 | 12 1.9| Alveolus, Inflammation, Chronic | 2 1 3 1 2 3 2 2 2 1 2 2 1 2 1 2 2 2 2 2 1| 43 1.7| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 2 2 2 | 6 2.0| Thrombosis | | 1 2.0| Olfactory Epithelium, Degeneration, | | | Hyaline | 3 3 3 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3 3 3 3| 50 3.0| Respiratory Epithelium, Degeneration,| | | Hyaline | 1 2 2 2 2 2 2 2 1 2 2 2 2 2 1 2 2 2 2 2 2 2 2 1 2| 50 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 22 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 6| 7| 7| 7| 7| 7| 6| 5| 5| 6| 6| 5| 7| 7| 6| 7| 5| 6| 6| 7| 6| 7| | DAY ON TEST | 0| 5| 3| 0| 2| 3| 3| 3| 3| 1| 8| 4| 6| 8| 4| 3| 3| 8| 3| 3| 9| 5| 3| 8| 3| | | 6| 0| 7| 4| 9| 5| 5| 6| 6| 5| 3| 1| 5| 8| 1| 7| 7| 6| 7| 1| 2| 3| 6| 6| 6| 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 | FISCHER 344 RATS 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 | 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 | 30 MG/M3 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 1 | Cataract | 2 | 1 2.0| __________________________________________________________________________|____________| Harderian Gland | | 1 | __________________________________________________________________________|____________| Zymbal's Gland | + + | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 2.0| Nephropathy | 2 2 2 2 2 2 3 2 2 2 2 2 2 1 2 2 2 3 2 2 2 3 4 3| 47 2.0| Renal Tubule, Hyperplasia | 2 3 | 2 2.5| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 23 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 7| 7| 5| 6| 7| 5| 7| 5| 5| 7| 6| 5| 5| 7| 7| 7| 5| 7| 7| 5| 7| 7| 7| 6| 7| DAY ON TEST | 3| 3| 8| 6| 3| 6| 3| 3| 3| 3| 8| 8| 5| 3| 3| 3| 6| 2| 2| 2| 3| 3| 3| 1| 3| | 6| 5| 3| 0| 6| 9| 5| 4| 8| 7| 8| 0| 5| 6| 5| 5| 0| 0| 1| 7| 7| 7| 6| 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| FISCHER 344 RATS 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| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 100 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| MG/M3 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + A + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 | __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + A + + + + +| Mineralization | 1 | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + A + A + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + A + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2| Basophilic Focus | X X X X X X X X X X X X X X X X X X| Clear Cell Focus | X X X X | Degeneration, Cystic | 1 | Degeneration, Fatty | 2 2 2 3 2 3 1 2 2 3 1 1 | Eosinophilic Focus | X X| Hepatodiaphragmatic Nodule | X X X X X X | Mixed Cell Focus | X X X X X| Necrosis | 2 | Vacuolization Cytoplasmic, Focal | 3 2 2 | Bile Duct, Hyperplasia | 2 2 1 1 1 1 1 | Centrilobular, Necrosis | 1 1 1 | __________________________________________________________________________| Mesentery | + + + + + + | Fat, Necrosis | 2 2 3 2 3 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 1 2 1 2 4| Basophilic Focus | X | Hyperplasia | 2 1 1 | Artery, Inflammation | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 2 | Mineralization | 1 1 1 2| Necrosis | 2 3 1 4 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 1 1 1 1 2| Necrosis | 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 2 2 2 1 2 1 2 1 1 1 2 2 2 1 2 1 2 2 1 1 2| Artery, Thrombosis | | Atrium, Thrombosis | 3 1 | _____________________________________________________________________________________________________________________| Page 24 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 7| 7| 5| 6| 7| 5| 7| 5| 5| 7| 6| 5| 5| 7| 7| 7| 5| 7| 7| 5| 7| 7| 7| 6| 7| DAY ON TEST | 3| 3| 8| 6| 3| 6| 3| 3| 3| 3| 8| 8| 5| 3| 3| 3| 6| 2| 2| 2| 3| 3| 3| 1| 3| | 6| 5| 3| 0| 6| 9| 5| 4| 8| 7| 8| 0| 5| 6| 5| 5| 0| 0| 1| 7| 7| 7| 6| 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| FISCHER 344 RATS 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| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 100 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| MG/M3 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | | Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 4| Hypertrophy | 1 1 | Necrosis | | Vacuolization Cytoplasmic | 3 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 3| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + M + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Cyst | 3 | Pars Distalis, Hyperplasia | 2 2 2 3 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 1 2 1 2 1 1 1 1 1 1 2 2 2 2 1 1 2 3 1 2| Follicular Cell, Hyperplasia | 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + M + + + + + + + + M + + + + + + + + + + + + + +| Cyst | 4 | Inflammation, Chronic Active | 4 3| __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 2 4| __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Vagina | + | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + | __________________________________________________________________________| Lymph Node, Bronchial | + + + M + + + + + + + + + + + + + M + + + M M M +| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + M + + + + + + + + + + + + M M M + +| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 2 2 | Hematopoietic Cell Proliferation | | Hemorrhage | | __________________________________________________________________________| Thymus | + + + M + + + + + + M + + + M + + + + + + + M + +| _____________________________________________________________________________________________________________________| Page 25 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 7| 7| 5| 6| 7| 5| 7| 5| 5| 7| 6| 5| 5| 7| 7| 7| 5| 7| 7| 5| 7| 7| 7| 6| 7| DAY ON TEST | 3| 3| 8| 6| 3| 6| 3| 3| 3| 3| 8| 8| 5| 3| 3| 3| 6| 2| 2| 2| 3| 3| 3| 1| 3| | 6| 5| 3| 0| 6| 9| 5| 4| 8| 7| 8| 0| 5| 6| 5| 5| 0| 0| 1| 7| 7| 7| 6| 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| FISCHER 344 RATS 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| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 100 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| MG/M3 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Subcutaneous Tissue, Angiectasis | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperostosis | 4 1 2 4 | __________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Epiglottis, Hyperplasia | | Epiglottis, Metaplasia, Squamous | 2 3 3 2 3 2 1 1 1 4 1 1 1 3 3 2 1 2 2 2 3 2 1 2 1| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Alveolar Epithelium, Hyperplasia | 2 3 1 | Alveolus, Inflammation, Chronic | 4 3 3 3 3 3 3 3 3 4 3 3 3 3 2 3 2 3 3 4 4 4 3 3| Mediastinum, Thrombosis | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 1 1 | Thrombosis | 1 2 2 4 | Olfactory Epithelium, Degeneration, | | Hyaline | 3 4 4 3 3 3 3 3 3 3 3 3 3 3 4 3 3 3 4 3 3 3 3 3 3| Respiratory Epithelium, Degeneration,| | Hyaline | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 2 2| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Degeneration | 3 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy | 2 2 2 1 2 3 3 2 2 3 3 2 1 2 2 2 2 2 2 3 2 2 3 2 4| Renal Tubule, Hyperplasia | 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Transitional Epithelium, Hyperplasia | 4| _____________________________________________________________________________________________________________________| Page 26 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 5| 7| 7| 7| 7| 6| 6| 6| 5| 7| 6| 7| 7| 6| 6| 7| 6| 5| 6| 7| 6| | DAY ON TEST | 3| 3| 1| 3| 8| 3| 3| 3| 3| 3| 5| 2| 8| 2| 9| 3| 3| 3| 1| 3| 6| 3| 7| 3| 4| | | 6| 6| 9| 7| 0| 6| 6| 6| 5| 6| 2| 2| 1| 7| 8| 7| 7| 7| 8| 7| 7| 8| 3| 5| 6| 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 | FISCHER 344 RATS 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 | 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 | 100 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | MG/M3 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + A + +| 48 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + A + +| 48 | Mineralization | 1 2 | 3 1.3| __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + A + +| 49 | Inflammation, Acute | 3 | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + A + +| 47 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + A + +| 48 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 1 1 | 3 1.3| Basophilic Focus | X X X X X X X X X X X X X X X X X X X X X | 39 | Clear Cell Focus | X X X | 7 | Degeneration, Cystic | | 1 1.0| Degeneration, Fatty | 2 1 2 1 2 1 | 18 1.8| Eosinophilic Focus | X X | 4 | Hepatodiaphragmatic Nodule | X X X | 9 | Mixed Cell Focus | X X X X X X X | 12 | Necrosis | | 1 2.0| Vacuolization Cytoplasmic, Focal | 2 | 4 2.3| Bile Duct, Hyperplasia | 1 1 1| 10 1.2| Centrilobular, Necrosis | 1 | 4 1.0| __________________________________________________________________________|____________| Mesentery | + + | 8 | Fat, Necrosis | 2 2 | 8 2.4| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 1 1 2 1 2 2 1 2 2 1 1 2 | 18 1.7| Basophilic Focus | | 1 | Hyperplasia | | 3 1.3| Artery, Inflammation | 3 | 1 3.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Squamous | 3 | 2 2.5| Mineralization | 1 | 5 1.2| Necrosis | 3 4 3 2 | 8 2.8| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | 2 | 6 1.3| Necrosis | | 1 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR 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 27 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 5| 7| 7| 7| 7| 6| 6| 6| 5| 7| 6| 7| 7| 6| 6| 7| 6| 5| 6| 7| 6| | DAY ON TEST | 3| 3| 1| 3| 8| 3| 3| 3| 3| 3| 5| 2| 8| 2| 9| 3| 3| 3| 1| 3| 6| 3| 7| 3| 4| | | 6| 6| 9| 7| 0| 6| 6| 6| 5| 6| 2| 2| 1| 7| 8| 7| 7| 7| 8| 7| 7| 8| 3| 5| 6| 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 | FISCHER 344 RATS 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 | 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 | 100 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | MG/M3 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 1 1 1 1 2 1 2 2 1 2 2 2 1 1 1 2 1 1 1 2 1 1 2 | 46 1.5| Artery, Thrombosis | 2 | 1 2.0| Atrium, Thrombosis | | 2 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Degeneration, Cystic | 2 | 1 2.0| Hyperplasia | 2 2 2 1 2 2 1 2 3 1 1 2 2| 25 2.0| Hypertrophy | 3 2 1 2 3 2 | 8 1.9| Necrosis | 3 | 1 3.0| Vacuolization Cytoplasmic | 2 2 4 | 4 2.8| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 2 1 2 | 7 1.9| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + M + + + + + + + + + + + + + + +| 48 | Hyperplasia | 3 | 2 2.5| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Cyst | | 1 3.0| Pars Distalis, Hyperplasia | 3 2 1 3 | 8 2.3| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 3 1 2 3 1 2 2 1 1 1 1 1 1 2 2 1 2 2 1 1 2| 41 1.5| Follicular Cell, Hyperplasia | | 1 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + M +| 47 | Cyst | | 1 4.0| Inflammation, Chronic Active | 2| 3 3.0| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 1 2 3 3| 7 2.6| __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Vagina | | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 28 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 5| 7| 7| 7| 7| 6| 6| 6| 5| 7| 6| 7| 7| 6| 6| 7| 6| 5| 6| 7| 6| | DAY ON TEST | 3| 3| 1| 3| 8| 3| 3| 3| 3| 3| 5| 2| 8| 2| 9| 3| 3| 3| 1| 3| 6| 3| 7| 3| 4| | | 6| 6| 9| 7| 0| 6| 6| 6| 5| 6| 2| 2| 1| 7| 8| 7| 7| 7| 8| 7| 7| 8| 3| 5| 6| 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 | FISCHER 344 RATS 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 | 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 | 100 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | MG/M3 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Lymph Node | | 2 | __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + M + + + + M + + + M + + + + + + + M + M +| 40 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + M + + + + + + + M + + + + + + M + + + + + + + +| 43 | __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + M + + + + + + + + + + + + M + + + + + + + +| 48 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | | 2 2.0| Hematopoietic Cell Proliferation | 3 3 | 2 3.0| Hemorrhage | 2| 1 2.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 46 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Subcutaneous Tissue, Angiectasis | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperostosis | 2 4 3 3 3 | 9 2.9| __________________________________________________________________________|____________| Skeletal Muscle | + | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Epiglottis, Hyperplasia | 1 | 1 1.0| Epiglottis, Metaplasia, Squamous | 1 3 2 2 2 4 2 4 3 2 3 3 2 3 1 2 3 2 3 3 2 3 3 1| 49 2.2| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Alveolar Epithelium, Hyperplasia | 2 1 1 3 | 7 1.9| Alveolus, Inflammation, Chronic | 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 2 3| 49 3.0| Mediastinum, Thrombosis | 3 | 1 3.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | | 2 1.0| Thrombosis | | 4 2.3| Olfactory Epithelium, Degeneration, | | | Hyaline | 3 3 4 3 3 3 3 3 3 3 3 3 3 3 4 3 4 3 4 3 3 3 3 3 4| 50 3.2| Respiratory Epithelium, Degeneration,| | | Hyaline | 2 2 2 2 2 2 2 1 2 2 2 2 2 1 2 2 2 2 2 2 3 2 2 2 2| 50 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 29 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 7| 5| 7| 7| 7| 7| 6| 6| 6| 5| 7| 6| 7| 7| 6| 6| 7| 6| 5| 6| 7| 6| | DAY ON TEST | 3| 3| 1| 3| 8| 3| 3| 3| 3| 3| 5| 2| 8| 2| 9| 3| 3| 3| 1| 3| 6| 3| 7| 3| 4| | | 6| 6| 9| 7| 0| 6| 6| 6| 5| 6| 2| 2| 1| 7| 8| 7| 7| 7| 8| 7| 7| 8| 3| 5| 6| 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 | FISCHER 344 RATS 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 | 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 | 100 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | MG/M3 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | +| 2 | Degeneration | 3| 2 3.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy | 4 3 2 3 3 3 2 3 2 2 2 3 2 3 2 4 2 2 1 2 1 2 3 3 1| 50 2.3| Renal Tubule, Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Transitional Epithelium, Hyperplasia | | 1 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 30 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 7| 5| 5| 7| 6| 5| 6| 7| 6| 5| 7| 6| 5| 7| 6| 5| 7| 4| 6| 7| 6| 6| 6| 5| 7| DAY ON TEST | 3| 4| 5| 3| 7| 4| 7| 3| 8| 8| 3| 0| 6| 3| 6| 2| 3| 8| 1| 3| 9| 2| 5| 2| 2| | 5| 6| 3| 5| 4| 9| 8| 5| 8| 6| 5| 9| 8| 5| 5| 0| 5| 7| 7| 5| 3| 6| 3| 0| 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| FISCHER 344 RATS 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| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + A + + + + A + + + + + + +| Mineralization | | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + A + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + A + + + + A + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + A + + + + A + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 2 | Basophilic Focus | X X X X X X X X X| Clear Cell Focus | X X X | Degeneration, Cystic | 3 2 2 1 2 3 2 3 | Degeneration, Fatty | 1 2 3 3 1 1| Eosinophilic Focus | X X X | Hepatodiaphragmatic Nodule | | Mixed Cell Focus | X | Vacuolization Cytoplasmic, Focal | 2 | Bile Duct, Hyperplasia | 1 2 1 2 3 3 3 1 3 2 2 3 3 2 2 1 2 3 3 3 1 1 1 1| Centrilobular, Necrosis | 2 2 1 1 2 2 4 2 1 1 2 4 | __________________________________________________________________________| Mesentery | + + + + + + | Fat, Necrosis | 2 2 3 2 2 | __________________________________________________________________________| Oral Mucosa | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 2 1 2 1 2 2 1 3 2 3 2 1 2 1 2| Basophilic Focus | | Hyperplasia | 3 2 3 3 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 1 1 | Necrosis | 3 3 4 3 3 4 3 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 1 3 | Necrosis | 3 2 2 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + | Aorta, Mineralization | 2 | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 3 2 2 2 3 2 2 2 2 1 2 1 2 1 2 2 3 2 2 2 2 2| Artery, Mineralization | 2 | Atrium, Thrombosis | 3 2 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | _____________________________________________________________________________________________________________________| Page 31 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 7| 5| 5| 7| 6| 5| 6| 7| 6| 5| 7| 6| 5| 7| 6| 5| 7| 4| 6| 7| 6| 6| 6| 5| 7| DAY ON TEST | 3| 4| 5| 3| 7| 4| 7| 3| 8| 8| 3| 0| 6| 3| 6| 2| 3| 8| 1| 3| 9| 2| 5| 2| 2| | 5| 6| 3| 5| 4| 9| 8| 5| 8| 6| 5| 9| 8| 5| 5| 0| 5| 7| 7| 5| 3| 6| 3| 0| 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| FISCHER 344 RATS 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| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 1 1 2 2 2 2 2 3 2 1 2 1 2 3 2 2| Hypertrophy | 2 2 1 | Necrosis | 2 | Vacuolization Cytoplasmic | 2 2 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 2 2 3 2 2 2 2 2 2 3 3 2 2 4 2| Bilateral, Hyperplasia | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + M M + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 3 4 3 1 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | 2 3 3 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 1 2 1 1 1 1 1 2 1 1 1 1 1 2| Follicular Cell, Hyperplasia | 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Granuloma Sperm | 3 | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 | Inflammation, Chronic Active | 3 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 2 4 | Artery, Inflammation, Chronic Active | | Interstitial Cell, Hyperplasia | 1 2 1 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + + + + + + + | Renal, Hemorrhage | 1 1 | __________________________________________________________________________| Lymph Node, Bronchial | M + + + + + + M + + + + + + + + + + + + + + + + M| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Plasma Cell | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 32 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 7| 5| 5| 7| 6| 5| 6| 7| 6| 5| 7| 6| 5| 7| 6| 5| 7| 4| 6| 7| 6| 6| 6| 5| 7| DAY ON TEST | 3| 4| 5| 3| 7| 4| 7| 3| 8| 8| 3| 0| 6| 3| 6| 2| 3| 8| 1| 3| 9| 2| 5| 2| 2| | 5| 6| 3| 5| 4| 9| 8| 5| 8| 6| 5| 9| 8| 5| 5| 0| 5| 7| 7| 5| 3| 6| 3| 0| 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| FISCHER 344 RATS 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| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 2 2 2 2 3 2 3 3 3 | Necrosis | 2 | __________________________________________________________________________| Thymus | + + + + + + + + + M + + + + + M + + + + + + M + +| Cyst | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + M + M M M + + + M M M + M M + + + + + + + M M| Galactocele | 3 | __________________________________________________________________________| Skin | + + + + + + + I + + + + + + + + + + + + + + + + +| Inflammation, Acute | | Inflammation, Chronic Active | 3 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | 3 | Hyperostosis | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + A + + + + + + + + + + + +| Hyperplasia | 2 2 | Inflammation, Chronic | | Metaplasia, Squamous | | Epiglottis, Hyperplasia | 1 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | | Inflammation, Granulomatous | | Metaplasia, Osseous | | Mineralization | 2 | Thrombosis | 3 | Alveolar Epithelium, Hyperplasia | 2 | Alveolus, Inflammation, Chronic | 1 | Artery, Mediastinum, Mineralization | 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 2 3 2 2 2| Thrombosis | 2 2 3 4 3 4 4 | Olfactory Epithelium, Degeneration, | | Hyaline | 1 1 1 1 1 1 1 1 2 1 1 1 1 2 1 1 1 1 1 1 1 1 1| Olfactory Epithelium, Metaplasia, | | _____________________________________________________________________________________________________________________| Page 33 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 7| 5| 5| 7| 6| 5| 6| 7| 6| 5| 7| 6| 5| 7| 6| 5| 7| 4| 6| 7| 6| 6| 6| 5| 7| DAY ON TEST | 3| 4| 5| 3| 7| 4| 7| 3| 8| 8| 3| 0| 6| 3| 6| 2| 3| 8| 1| 3| 9| 2| 5| 2| 2| | 5| 6| 3| 5| 4| 9| 8| 5| 8| 6| 5| 9| 8| 5| 5| 0| 5| 7| 7| 5| 3| 6| 3| 0| 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| FISCHER 344 RATS 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| CONTROL | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Focal | | Respiratory Epithelium, Degeneration,| | Hyaline | 1 1 | Respiratory Epithelium, Metaplasia, | | Squamous | 1 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Cataract | 1 | Degeneration | | __________________________________________________________________________| Zymbal's Gland | + + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis, Focal | | Infarct | 2 | Nephropathy | 4 2 2 4 3 2 3 3 4 3 3 2 2 4 3 2 4 2 2 4 4 2 4 2 4| Pelvis, Inflammation, Acute | | Renal Tubule, Hyperplasia | 2 4 1 3 | Transitional Epithelium, Hyperplasia | | __________________________________________________________________________| Ureter | + | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Transitional Epithelium, Hyperplasia | | _____________________________________________________________________________________________________________________| Page 34 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 7| 5| 4| 7| 4| 6| 7| 7| 7| 6| 5| 7| 4| 7| 5| 6| 4| 7| 7| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 3| 8| 1| 3| 9| 2| 3| 3| 2| 5| 5| 3| 3| 1| 8| 0| 2| 3| 3| 3| 4| 1| | | 1| 5| 7| 6| 1| 3| 5| 5| 9| 5| 6| 9| 5| 9| 7| 6| 5| 1| 6| 5| 5| 6| 6| 3| 2| 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 | FISCHER 344 RATS 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| 0| 0| 0| 0| 0| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Mineralization | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 1 | 3 1.3| Basophilic Focus | X X X X X X X X X X X X| 21 | Clear Cell Focus | X X | 5 | Degeneration, Cystic | 1 1 2 3 2 3 2 3 2| 17 2.2| Degeneration, Fatty | 3 2 3 2 3 1 1 3 2| 15 2.1| Eosinophilic Focus | X | 4 | Hepatodiaphragmatic Nodule | X | 1 | Mixed Cell Focus | X X X X | 5 | Vacuolization Cytoplasmic, Focal | 2 | 2 2.0| Bile Duct, Hyperplasia | 1 2 2 2 2 2 1 1 3 3 3 2 1 3 1 2 3 1 2 2 2 3| 46 2.0| Centrilobular, Necrosis | 1 2 | 14 1.9| __________________________________________________________________________|____________| Mesentery | + + + + | 10 | Fat, Necrosis | 2 2 2 3 | 9 2.2| __________________________________________________________________________|____________| Oral Mucosa | + | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 2 2 1 2 3 3 1 2 1 1 2 2 2 2 3 3| 32 1.9| Basophilic Focus | X | 1 | Hyperplasia | 3 2 | 6 2.7| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 1 | 2 1.5| __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | 1 | 3 1.0| Necrosis | 4 4 2 3| 11 3.3| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | 1 1 1 | 5 1.4| Necrosis | 2 3 3 | 7 2.6| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | | 1 | Aorta, 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 35 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 7| 5| 4| 7| 4| 6| 7| 7| 7| 6| 5| 7| 4| 7| 5| 6| 4| 7| 7| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 3| 8| 1| 3| 9| 2| 3| 3| 2| 5| 5| 3| 3| 1| 8| 0| 2| 3| 3| 3| 4| 1| | | 1| 5| 7| 6| 1| 3| 5| 5| 9| 5| 6| 9| 5| 9| 7| 6| 5| 1| 6| 5| 5| 6| 6| 3| 2| 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 | FISCHER 344 RATS 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| 0| 0| 0| 0| 0| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 3 2 3 2 1 2 1 2 1 3 3 2 2 1 2 1 1 3 2 2 2| 44 2.0| Artery, Mineralization | | 1 2.0| Atrium, Thrombosis | 2 4 | 5 2.8| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 2 2 1 2 1 2 2 2 2 2 3 2 1 3 2 1 2| 35 1.9| Hypertrophy | 2 2 | 5 1.8| Necrosis | | 1 2.0| Vacuolization Cytoplasmic | 2 2 | 4 2.0| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 2 1 2 3| 31 2.1| Bilateral, Hyperplasia | 2 | 1 2.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + M + + + + + + + + + + + + + + +| 47 | Hyperplasia | 2 2 2 2 1 2 | 11 2.3| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + M + + + + + + + + + + + + + + + +| 49 | Pars Distalis, Hyperplasia | 2 2 3 | 7 2.4| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 1 2 1 2 1 1 1 1 2 2 1 1 1 1 2 1 2 1 2 2 1| 35 1.3| Follicular Cell, Hyperplasia | 2 | 2 1.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 1 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Granuloma Sperm | | 1 3.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 1 2.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 1 2 2 2 | 6 1.7| Inflammation, Chronic Active | 2 3 3| 4 2.8| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 3| 1 3.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 2 3 3 | 6 2.8| Artery, Inflammation, Chronic Active | 2 3 | 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 36 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 7| 5| 4| 7| 4| 6| 7| 7| 7| 6| 5| 7| 4| 7| 5| 6| 4| 7| 7| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 3| 8| 1| 3| 9| 2| 3| 3| 2| 5| 5| 3| 3| 1| 8| 0| 2| 3| 3| 3| 4| 1| | | 1| 5| 7| 6| 1| 3| 5| 5| 9| 5| 6| 9| 5| 9| 7| 6| 5| 1| 6| 5| 5| 6| 6| 3| 2| 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 | FISCHER 344 RATS 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| 0| 0| 0| 0| 0| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Interstitial Cell, Hyperplasia | 1 1 1 | 7 1.3| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node | + + + + + + +| 16 | Renal, Hemorrhage | 2 | 3 1.3| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + M + + + + + + + M + + + + + + + + + + + + + +| 45 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + M + + + + + + + + + + + M +| 48 | Infiltration Cellular, Plasma Cell | 4 | 1 4.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + M + + + + M + + +| 48 | Hemorrhage | 2 | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | 2 2 2 2 2 2| 15 2.3| Necrosis | | 1 2.0| __________________________________________________________________________|____________| Thymus | M + + + M + + + + + + + + + + + + + + + + + + + +| 45 | Cyst | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + M M + M + + M M M + + + + + M + M + + + M| 30 | Galactocele | 3 3 | 3 3.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Acute | 2 | 1 2.0| Inflammation, Chronic Active | 2 | 3 2.7| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrous Osteodystrophy | 1 | 2 2.0| Hyperostosis | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | | 2 2.0| Inflammation, Chronic | 2 | 1 2.0| Metaplasia, Squamous | 2 | 1 2.0| Epiglottis, Hyperplasia | 2 1 1 1 2 1 1 | 8 1.3| __________________________________________________________________________________________________________________________________ * : 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 37 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 6| 7| 7| 7| 5| 4| 7| 4| 6| 7| 7| 7| 6| 5| 7| 4| 7| 5| 6| 4| 7| 7| 7| 6| 7| | DAY ON TEST | 3| 3| 3| 3| 8| 1| 3| 9| 2| 3| 3| 2| 5| 5| 3| 3| 1| 8| 0| 2| 3| 3| 3| 4| 1| | | 1| 5| 7| 6| 1| 3| 5| 5| 9| 5| 6| 9| 5| 9| 7| 6| 5| 1| 6| 5| 5| 6| 6| 3| 2| 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 | FISCHER 344 RATS 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| 0| 0| 0| 0| 0| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | X | 1 | Inflammation, Granulomatous | 2 | 1 2.0| Metaplasia, Osseous | 1 | 1 1.0| Mineralization | | 1 2.0| Thrombosis | 2 | 2 2.5| Alveolar Epithelium, Hyperplasia | 2 2 1 2 2 3| 7 2.0| Alveolus, Inflammation, Chronic | 1 | 2 1.0| Artery, Mediastinum, Mineralization | | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 2 1 | 7 2.0| Thrombosis | 1 2 1 2 4 3 3| 14 2.7| Olfactory Epithelium, Degeneration, | | | Hyaline | 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 2| 46 1.1| Olfactory Epithelium, Metaplasia, | | | Focal | 2 | 1 2.0| Respiratory Epithelium, Degeneration,| | | Hyaline | | 2 1.0| Respiratory Epithelium, Metaplasia, | | | Squamous | | 1 1.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 2 | Cataract | | 1 1.0| Degeneration | 2 | 1 2.0| __________________________________________________________________________|____________| Zymbal's Gland | | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis, Focal | 4| 1 4.0| Infarct | | 1 2.0| Nephropathy | 4 4 4 4 3 2 3 4 2 4 4 4 3 2 4 2 4 3 2 2 3 4 3 4 4| 50 3.1| Pelvis, Inflammation, Acute | 2 | 1 2.0| Renal Tubule, Hyperplasia | 2 2 | 6 2.3| Transitional Epithelium, Hyperplasia | 2 2 1| 3 1.7| __________________________________________________________________________|____________| Ureter | | 1 | __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 2.0| Transitional Epithelium, 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 38 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 6| 6| 7| 7| 5| 5| 5| 7| 5| 6| 2| 7| 4| 6| 7| 5| 7| 6| 5| 7| 4| 7| 7| 7| 7| DAY ON TEST | 6| 8| 3| 3| 7| 0| 7| 3| 8| 2| 7| 1| 0| 0| 2| 6| 3| 1| 5| 3| 8| 3| 3| 3| 3| | 0| 8| 5| 0| 1| 9| 4| 5| 1| 9| 4| 6| 8| 7| 7| 9| 5| 7| 3| 5| 5| 5| 5| 5| 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| FISCHER 344 RATS 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| 10 MG/M3 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + A + + + + + + + + + + + +| Mineralization | 2 | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 | Mineralization | 2 | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 1 1 | Basophilic Focus | X X X X X X X X X X X X| Clear Cell Focus | X X X X | Cyst | 2 | Degeneration, Cystic | 3 2 2 3 2 3 3 2| Degeneration, Fatty | 1 2 2 2 1 3 2 1| Eosinophilic Focus | X X X X| Hematopoietic Cell Proliferation | | Mixed Cell Focus | X X X | Vacuolization Cytoplasmic, Focal | 3 | Bile Duct, Hyperplasia | 3 3 2 3 2 2 1 2 2 3 2 1 3 2 2 2 1 2 1| Centrilobular, Necrosis | 2 2 2 2 1 | __________________________________________________________________________| Mesentery | + + + + | Inflammation, Acute | | Artery, Mineralization | 3 | Fat, Hemorrhage | | Fat, Necrosis | 2 3 2 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 2 2 3 1 2 3 3 1 2 2 4 1| Hyperplasia | 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Artery, Mineralization | 3 | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 1 | Mineralization | 3 1 | Necrosis | 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 3 1 | Necrosis | 1 3 | __________________________________________________________________________| Tooth | | Developmental Malformation | | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| Page 39 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 6| 6| 7| 7| 5| 5| 5| 7| 5| 6| 2| 7| 4| 6| 7| 5| 7| 6| 5| 7| 4| 7| 7| 7| 7| DAY ON TEST | 6| 8| 3| 3| 7| 0| 7| 3| 8| 2| 7| 1| 0| 0| 2| 6| 3| 1| 5| 3| 8| 3| 3| 3| 3| | 0| 8| 5| 0| 1| 9| 4| 5| 1| 9| 4| 6| 8| 7| 7| 9| 5| 7| 3| 5| 5| 5| 5| 5| 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| FISCHER 344 RATS 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| 10 MG/M3 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + | Aorta, Mineralization | 4 | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 3 2 2 2 3 2 2 2 3 2 2 2 3 2 2 1 2 2| Artery, Mineralization | 4 | Atrium, Thrombosis | 1 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 2 2 1 2 1 2| Hypertrophy | 2 1 1 1 | Necrosis | | Vacuolization Cytoplasmic | | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 2 2 1 1 2 2 2 2 2 2 2 2| Bilateral, Hyperplasia | 4 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 3 | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 4 2 2 2| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 1 1 2 2 1 1 2 1 1 2 1 1 1 1 1| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Granuloma Sperm | 3 | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 4 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 1 | Inflammation, Chronic Active | 2 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 3 | Artery, Inflammation, Chronic Active | 2 2 | Interstitial Cell, Hyperplasia | 1 1 1 | _____________________________________________________________________________________________________________________| Page 40 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 6| 6| 7| 7| 5| 5| 5| 7| 5| 6| 2| 7| 4| 6| 7| 5| 7| 6| 5| 7| 4| 7| 7| 7| 7| DAY ON TEST | 6| 8| 3| 3| 7| 0| 7| 3| 8| 2| 7| 1| 0| 0| 2| 6| 3| 1| 5| 3| 8| 3| 3| 3| 3| | 0| 8| 5| 0| 1| 9| 4| 5| 1| 9| 4| 6| 8| 7| 7| 9| 5| 7| 3| 5| 5| 5| 5| 5| 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| FISCHER 344 RATS 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| 10 MG/M3 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Myelofibrosis | 4 | Necrosis | | __________________________________________________________________________| Lymph Node | + + + + + + | Iliac, Ectasia | 3 | Renal, Hemorrhage | | __________________________________________________________________________| Lymph Node, Bronchial | + + + M + + + + + + + + + + + + + + + + + + + + M| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Plasma Cell | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 4 | __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + M + + + +| Hemorrhage | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Spleen | X | Fibrosis | 3 2 1 3 2 2 2 | Hematopoietic Cell Proliferation | | Hemorrhage | | Necrosis | | __________________________________________________________________________| Thymus | + + + + + + + + + + + M + + + + + + + + + + + + M| Hemorrhage | 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M + M M + M + + + M I + M + + + + + + M + + + +| Galactocele | 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | 3 3 | Inflammation, Acute | 2 4 | Inflammation, Chronic Active | 2 1 3 3 3 2 3 | Inflammation, Granulomatous | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | 4 | Hyperostosis | 2 | __________________________________________________________________________| Skeletal Muscle | + | Mineralization | 4 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | _____________________________________________________________________________________________________________________| Page 41 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 6| 6| 7| 7| 5| 5| 5| 7| 5| 6| 2| 7| 4| 6| 7| 5| 7| 6| 5| 7| 4| 7| 7| 7| 7| DAY ON TEST | 6| 8| 3| 3| 7| 0| 7| 3| 8| 2| 7| 1| 0| 0| 2| 6| 3| 1| 5| 3| 8| 3| 3| 3| 3| | 0| 8| 5| 0| 1| 9| 4| 5| 1| 9| 4| 6| 8| 7| 7| 9| 5| 7| 3| 5| 5| 5| 5| 5| 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| FISCHER 344 RATS 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| 10 MG/M3 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + A + + + + + + + + + + + +| Hyperplasia | | Mineralization | 3 | Epiglottis, Hyperplasia | 1 1 | Epiglottis, Metaplasia, Squamous | 2 2 1 1 2| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Mineralization | 4 | Thrombosis | 2 2 | Alveolar Epithelium, Hyperplasia | 2 2 2 2 | Alveolar Epithelium, Inflammation, | | Chronic | 1 | Alveolus, Infiltration Cellular, | | Histiocyte | | Alveolus, Inflammation, Chronic | 1 1 | Artery, Mediastinum, Inflammation | 2 | Artery, Mediastinum, Mineralization | 4 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 3 3 | Thrombosis | 3 3 | Olfactory Epithelium, Degeneration, | | Hyaline | 1 1 1 1 2 1 2 2 2 2 2 1 1 1 2 1 1 1 2| Respiratory Epithelium, Degeneration,| | Hyaline | 1 1 1 1| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 3 | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Degeneration | 3 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Infarct | 3 | Mineralization | 4 | Nephropathy | 3 2 4 2 2 2 2 3 2 4 1 3 3 4 4 4 3 2 4 2 4 4 4 4| Renal Tubule, Hyperplasia | 3 4| Renal Tubule, Necrosis | | Transitional Epithelium, Hyperplasia | 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | | Mineralization | | _____________________________________________________________________________________________________________________| Page 42 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 5| 4| 7| 5| 5| 6| 6| 5| 5| 7| 5| 5| 4| 6| 6| 5| 6| 6| 7| 6| 4| 6| 5| 6| 6| | DAY ON TEST | 3| 7| 3| 2| 2| 5| 7| 9| 5| 1| 0| 5| 3| 1| 4| 8| 9| 2| 3| 9| 6| 6| 5| 8| 3| | | 4| 3| 5| 0| 0| 3| 5| 0| 3| 6| 1| 3| 6| 0| 9| 1| 3| 2| 5| 2| 9| 5| 3| 4| 4| 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 | FISCHER 344 RATS 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 | 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| A | 10 MG/M3 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | A A + + + + A + + + + + + + + + + + + + + + + + +| 46 | Mineralization | | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Rectum | A + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | A A + + + + A + + + + + + + + + + + + + + + + + +| 47 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + A + + + + A + + + + + + + + + + + + + + + + + +| 48 | Mineralization | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | A A + + + + + + + + + + + + + + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | A A + + + + A + + + + + + + + + + + + + + + + + +| 47 | Inflammation, Chronic Active | | 1 3.0| Mineralization | | 1 2.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 3 3 2 | 6 2.0| Basophilic Focus | X X X X X X X X X| 21 | Clear Cell Focus | | 4 | Cyst | | 1 2.0| Degeneration, Cystic | 3 1 2 2 2 4 2 3 | 16 2.4| Degeneration, Fatty | 1 2 2 2 3 1 1 | 15 1.7| Eosinophilic Focus | X X X X | 8 | Hematopoietic Cell Proliferation | 2 | 1 2.0| Mixed Cell Focus | | 3 | Vacuolization Cytoplasmic, Focal | | 1 3.0| Bile Duct, Hyperplasia | 1 3 2 2 2 2 3 3 3 2 2 3 3 1 1 3| 35 2.1| Centrilobular, Necrosis | 2 2 1 1 2 2| 11 1.7| __________________________________________________________________________|____________| Mesentery | + + + + + | 9 | Inflammation, Acute | 3 | 1 3.0| Artery, Mineralization | | 1 3.0| Fat, Hemorrhage | 2 | 1 2.0| Fat, Necrosis | 2 3 3 | 6 2.5| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 1 1 3 3 2 1 1 2 1 1 1 1 1 2 3| 28 1.9| Hyperplasia | 3 | 2 2.5| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Artery, Mineralization | | 1 3.0| __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | | 1 1.0| Mineralization | 1 1 | 4 1.5| Necrosis | 2 1 4 | 4 2.3| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 43 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 5| 4| 7| 5| 5| 6| 6| 5| 5| 7| 5| 5| 4| 6| 6| 5| 6| 6| 7| 6| 4| 6| 5| 6| 6| | DAY ON TEST | 3| 7| 3| 2| 2| 5| 7| 9| 5| 1| 0| 5| 3| 1| 4| 8| 9| 2| 3| 9| 6| 6| 5| 8| 3| | | 4| 3| 5| 0| 0| 3| 5| 0| 3| 6| 1| 3| 6| 0| 9| 1| 3| 2| 5| 2| 9| 5| 3| 4| 4| 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 | FISCHER 344 RATS 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 | 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| A | 10 MG/M3 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Mineralization | 2 2 1 4 1 | 7 2.0| Necrosis | 3 3 2 3| 6 2.5| __________________________________________________________________________|____________| Tooth | + + | 2 | Developmental Malformation | X | 1 | Inflammation, Chronic Active | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + | 2 | Aorta, Mineralization | 3 | 2 3.5| __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 3 2 3 3 1 2 3 2 2 3 3 1 2 3 2 2 2 2 2| 38 2.2| Artery, Mineralization | 3 | 2 3.5| Atrium, Thrombosis | 2 2 4 1 3| 7 2.3| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 2 2 2 2 2 2 2 2 2 2| 19 1.8| Hypertrophy | 2 3 | 6 1.7| Necrosis | 2 | 1 2.0| Vacuolization Cytoplasmic | 2 3 | 2 2.5| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 1 2 2 1 2 2 3 2 3 2 2| 25 2.0| Bilateral, Hyperplasia | | 2 3.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 | 3 2.3| __________________________________________________________________________|____________| Parathyroid Gland | + M + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 2 2 3 2 | 9 2.3| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Hyperplasia | 2 2 2 2 2 3 | 7 2.1| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 2 1 3 2 1 1 1 1 1 1 1 3 2| 29 1.4| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Granuloma Sperm | | 1 3.0| __________________________________________________________________________|____________| Preputial 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 44 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 5| 4| 7| 5| 5| 6| 6| 5| 5| 7| 5| 5| 4| 6| 6| 5| 6| 6| 7| 6| 4| 6| 5| 6| 6| | DAY ON TEST | 3| 7| 3| 2| 2| 5| 7| 9| 5| 1| 0| 5| 3| 1| 4| 8| 9| 2| 3| 9| 6| 6| 5| 8| 3| | | 4| 3| 5| 0| 0| 3| 5| 0| 3| 6| 1| 3| 6| 0| 9| 1| 3| 2| 5| 2| 9| 5| 3| 4| 4| 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 | FISCHER 344 RATS 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 | 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| A | 10 MG/M3 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Inflammation, Chronic Active | 4 2 2 | 4 3.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 3 2 | 6 1.7| Inflammation, Chronic Active | 4 4 3 3 | 5 3.2| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | | 1 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 4 3 | 4 3.3| Artery, Inflammation, Chronic Active | 2 2 | 4 2.0| Interstitial Cell, Hyperplasia | 2 1 2 1 | 7 1.3| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Myelofibrosis | | 1 4.0| Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + | 17 | Iliac, Ectasia | | 1 3.0| Renal, Hemorrhage | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + + + + + + + + + + + + + + M M + + + + M + + +| 45 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + M M| 48 | Infiltration Cellular, Plasma Cell | 4 4 4 | 3 4.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Ectasia | 2 | 2 3.0| __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hemorrhage | | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accessory Spleen | | 1 | Fibrosis | 2 3 3 2 3 3 | 13 2.4| Hematopoietic Cell Proliferation | 4 | 1 4.0| Hemorrhage | 4 3 | 2 3.5| Necrosis | 2 3 | 2 2.5| __________________________________________________________________________|____________| Thymus | M + + + + + + + + + + + + + + + + + + + M + M + +| 45 | Hemorrhage | | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M + M + M + + M M M + M M M M + M M + M M + M M +| 25 | Galactocele | 3 3 | 3 3.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperkeratosis | 4 | 3 3.3| __________________________________________________________________________________________________________________________________ * : 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 45 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 5| 4| 7| 5| 5| 6| 6| 5| 5| 7| 5| 5| 4| 6| 6| 5| 6| 6| 7| 6| 4| 6| 5| 6| 6| | DAY ON TEST | 3| 7| 3| 2| 2| 5| 7| 9| 5| 1| 0| 5| 3| 1| 4| 8| 9| 2| 3| 9| 6| 6| 5| 8| 3| | | 4| 3| 5| 0| 0| 3| 5| 0| 3| 6| 1| 3| 6| 0| 9| 1| 3| 2| 5| 2| 9| 5| 3| 4| 4| 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 | FISCHER 344 RATS 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 | 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| A | 10 MG/M3 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | Inflammation, Acute | | 2 3.0| Inflammation, Chronic Active | 2 | 8 2.4| Inflammation, Granulomatous | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrous Osteodystrophy | | 1 4.0| Hyperostosis | | 1 2.0| __________________________________________________________________________|____________| Skeletal Muscle | + | 2 | Mineralization | 2 | 2 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + A + + + + + + + + + + + + + + + + + +| 48 | Hyperplasia | 1 | 1 1.0| Mineralization | | 1 3.0| Epiglottis, Hyperplasia | 1 1 1 | 5 1.0| Epiglottis, Metaplasia, Squamous | 1 1 1 2 2 3 | 11 1.6| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 2 2 2 | 3 2.0| Mineralization | 2 | 2 3.0| Thrombosis | 2 2| 4 2.0| Alveolar Epithelium, Hyperplasia | 4 2 1 2 1 | 9 2.0| Alveolar Epithelium, Inflammation, | | | Chronic | | 1 1.0| Alveolus, Infiltration Cellular, | | | Histiocyte | 1 | 1 1.0| Alveolus, Inflammation, Chronic | 1 | 3 1.0| Artery, Mediastinum, Inflammation | | 1 2.0| Artery, Mediastinum, Mineralization | 2 | 2 3.0| __________________________________________________________________________|____________| Nose | + A + + + + + + + + + + + + + + + + + + + + + + +| 49 | Inflammation, Suppurative | 2 3 2 | 5 2.6| Thrombosis | 1 2 2 2 3 2 3 3 4| 11 2.5| Olfactory Epithelium, Degeneration, | | | Hyaline | 1 1 1 1 2 2 1 2 1 1 1 2 1 2 1 1 1 2 1 2 1 1 1 3| 43 1.4| Respiratory Epithelium, Degeneration,| | | __________________________________________________________________________________________________________________________________ * : 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 46 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 5| 4| 7| 5| 5| 6| 6| 5| 5| 7| 5| 5| 4| 6| 6| 5| 6| 6| 7| 6| 4| 6| 5| 6| 6| | DAY ON TEST | 3| 7| 3| 2| 2| 5| 7| 9| 5| 1| 0| 5| 3| 1| 4| 8| 9| 2| 3| 9| 6| 6| 5| 8| 3| | | 4| 3| 5| 0| 0| 3| 5| 0| 3| 6| 1| 3| 6| 0| 9| 1| 3| 2| 5| 2| 9| 5| 3| 4| 4| 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 | FISCHER 344 RATS 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 | 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| A | 10 MG/M3 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Hyaline | 1 1 1 | 7 1.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | | 1 3.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | 1 | Degeneration | | 1 3.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infarct | | 1 3.0| Mineralization | 3 | 2 3.5| Nephropathy | 3 2 3 2 2 4 4 2 2 3 2 3 1 2 2 2 4 2 4 4 1 3 3 4 3| 49 2.8| Renal Tubule, Hyperplasia | 2 | 3 3.0| Renal Tubule, Necrosis | 3 2| 2 2.5| Transitional Epithelium, Hyperplasia | 1 2 | 3 1.7| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Acute | 4 | 1 4.0| Mineralization | 4 | 1 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 47 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 6| 7| 7| 7| 6| 7| 7| 6| 5| 6| 7| 7| 6| 6| 5| 4| 7| 7| 5| 4| 7| 5| 7| 7| 7| DAY ON TEST | 7| 3| 3| 3| 7| 0| 3| 9| 2| 6| 3| 2| 2| 2| 9| 5| 3| 3| 6| 5| 3| 8| 3| 2| 2| | 7| 6| 5| 5| 1| 6| 6| 3| 5| 5| 5| 9| 3| 9| 4| 9| 6| 7| 6| 4| 6| 5| 5| 1| 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| FISCHER 344 RATS 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| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 30 MG/M3 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Mixed Cell | | Mineralization | | Necrosis | 3 | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + A + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + A + + + + + + + + + + M + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Basophilic Focus | X X X X X X X X X X X X | Clear Cell Focus | X X X X X | Degeneration, Cystic | 1 2 2 2 3 2 2 1 2 | Degeneration, Fatty | 2 1 1 1 1 2 2 3 2 4| Eosinophilic Focus | X X X | Hepatodiaphragmatic Nodule | X X| Mixed Cell Focus | X X | Bile Duct, Hyperplasia | 3 2 4 2 3 1 1 3 2 3 1 1 2 2 2 3 1 1 2| Centrilobular, Necrosis | 2 2 2 2 | __________________________________________________________________________| Mesentery | + + + + +| Fat, Necrosis | 2 2 2 3 3| __________________________________________________________________________| Oral Mucosa | + | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 2 1 1 1 2 1 1 1 2 2 1 4 2| Hyperplasia | 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 3 | Mineralization | 1 2 2 | Necrosis | 3 3 4 3| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 1 3 1 | Necrosis | 2 1 | __________________________________________________________________________| Tooth | + | Inflammation, Chronic Active | 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + | Aorta, Mineralization | 1 | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 2 2 2 1 1 2 3 2 2 1 2 3 3 2 2 1 1 2 1| Artery, Mineralization | 1 | _____________________________________________________________________________________________________________________| Page 48 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 6| 7| 7| 7| 6| 7| 7| 6| 5| 6| 7| 7| 6| 6| 5| 4| 7| 7| 5| 4| 7| 5| 7| 7| 7| DAY ON TEST | 7| 3| 3| 3| 7| 0| 3| 9| 2| 6| 3| 2| 2| 2| 9| 5| 3| 3| 6| 5| 3| 8| 3| 2| 2| | 7| 6| 5| 5| 1| 6| 6| 3| 5| 5| 5| 9| 3| 9| 4| 9| 6| 7| 6| 4| 6| 5| 5| 1| 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| FISCHER 344 RATS 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| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 30 MG/M3 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | Atrium, Thrombosis | 2 2 3 2 | Endocardium, Hyperplasia | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Hyperplasia | 2 1 1 2 2 2 3 2 3 2 2 3 2 | Hypertrophy | 3 2 1 2 1 2 | Thrombosis | 2 | Vacuolization Cytoplasmic | 2 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 3 3 3 2 4 2 2 2 2 1 3 2 2 3 | Bilateral, Hyperplasia | 3| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + M + + + + + + + + M M + + + + + + + + M + +| Hyperplasia | 2 3 2 3 1 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Pars Distalis, Hyperplasia | 3 2 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 1 2 1 1 2 2 1 1 1 1 1 1 1 1 1 1 3 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Penis | + + | Inflammation, Acute | 3 | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 2 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 2 1 3 2 1| Inflammation, Chronic Active | 2 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 3 | Artery, Inflammation, Chronic Active | 2 | Interstitial Cell, Hyperplasia | 1 2 1 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + + | Renal, Hemorrhage | | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + M + + + + M + + M + + + + +| _____________________________________________________________________________________________________________________| Page 49 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 6| 7| 7| 7| 6| 7| 7| 6| 5| 6| 7| 7| 6| 6| 5| 4| 7| 7| 5| 4| 7| 5| 7| 7| 7| DAY ON TEST | 7| 3| 3| 3| 7| 0| 3| 9| 2| 6| 3| 2| 2| 2| 9| 5| 3| 3| 6| 5| 3| 8| 3| 2| 2| | 7| 6| 5| 5| 1| 6| 6| 3| 5| 5| 5| 9| 3| 9| 4| 9| 6| 7| 6| 4| 6| 5| 5| 1| 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| FISCHER 344 RATS 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| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 30 MG/M3 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Plasma Cell | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + M + + + M + + + +| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 3 3 2 3 1 3 2 | Hematopoietic Cell Proliferation | | Necrosis | 2 4 | __________________________________________________________________________| Thymus | + + + + + + + + M + + M + + + + + + + M + M + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + M M + M + + M M + + M + + + M M + M + M + M + +| Galactocele | 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + I + + + + + + + +| Fibrosis | 2 | Hyperkeratosis | 3 | Inflammation, Acute | 3 | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | 2 | Hyperostosis | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Necrosis | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Epiglottis, Hyperplasia | 1 1 1 1 1 1 | Epiglottis, Metaplasia, Squamous | 1 2 2 1 2 2 3 2 | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 2 | Metaplasia, Osseous | 1 | Thrombosis | 2 | Alveolar Epithelium, Hyperplasia | 2 1 | Alveolus, Inflammation, Chronic | 1 2 2 1 1 2 1 2 1 2 1 1 2 2 2 2| Interstitium, Fibrosis | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 2 1 1 2 | Thrombosis | 1 2 3 3 4 4 2 | Olfactory Epithelium, Degeneration, | | Hyaline | 3 2 3 3 2 3 2 3 3 3 3 3 3 3 3 3 3 3 3 3 2 3 3 2 3| _____________________________________________________________________________________________________________________| Page 50 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 6| 7| 7| 7| 6| 7| 7| 6| 5| 6| 7| 7| 6| 6| 5| 4| 7| 7| 5| 4| 7| 5| 7| 7| 7| DAY ON TEST | 7| 3| 3| 3| 7| 0| 3| 9| 2| 6| 3| 2| 2| 2| 9| 5| 3| 3| 6| 5| 3| 8| 3| 2| 2| | 7| 6| 5| 5| 1| 6| 6| 3| 5| 5| 5| 9| 3| 9| 4| 9| 6| 7| 6| 4| 6| 5| 5| 1| 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| FISCHER 344 RATS 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| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 30 MG/M3 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Respiratory Epithelium, Degeneration,| | Hyaline | 1 2 2 1 2 2 1 1 1 2 2 2 2 2 1 2 2 2 1 2 1 1 2 1 1| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Zymbal's Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 | Infarct | 2 | Mineralization | 1 | Nephropathy | 3 3 4 4 3 2 4 4 2 2 2 4 3 3 3 3 4 4 2 2 4 4 4 4 4| Renal Tubule, Hyperplasia | 3 | Transitional Epithelium, Hyperplasia | 1 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2| Inflammation, Chronic Active | 2| Capillary, Hyperplasia | 4 | _____________________________________________________________________________________________________________________| Page 51 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 6| 5| 5| 7| 5| 6| 6| 6| 6| 7| 6| 7| 2| 7| 4| 7| 6| 6| 5| 6| 7| 5| 6| 7| 6| | DAY ON TEST | 3| 2| 5| 3| 6| 1| 6| 9| 3| 3| 3| 3| 1| 3| 7| 3| 2| 3| 0| 5| 3| 5| 5| 3| 7| | | 2| 6| 3| 5| 6| 1| 5| 3| 7| 5| 7| 5| 3| 6| 7| 5| 7| 0| 3| 3| 5| 3| 3| 5| 6| 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 | FISCHER 344 RATS 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 | 30 MG/M3 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + A + A + + + + + + + +| 48 | Infiltration Cellular, Mixed Cell | 2 | 1 2.0| Mineralization | 1 | 1 1.0| Necrosis | | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + A + + + + + + + + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + A + A + + + + + + + +| 46 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | | 1 2.0| Basophilic Focus | X X X X X X X X X X X| 23 | Clear Cell Focus | X X | 7 | Degeneration, Cystic | 2 2 1 2 2 2 1 | 16 1.8| Degeneration, Fatty | 2 4 2 2 2 1 1 | 17 1.9| Eosinophilic Focus | X X X X | 7 | Hepatodiaphragmatic Nodule | X X X | 5 | Mixed Cell Focus | X | 3 | Bile Duct, Hyperplasia | 1 3 1 2 3 3 1 3 1 2 1 2 1 3 2 3 1 3 2 1 3| 40 2.0| Centrilobular, Necrosis | 2 2 1 1 2 2 1 2| 12 1.8| __________________________________________________________________________|____________| Mesentery | + + + + | 9 | Fat, Necrosis | 2 2 3 2 | 9 2.3| __________________________________________________________________________|____________| Oral Mucosa | | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 2 2 2 2 3 2 1 1 1 2 | 24 1.8| Hyperplasia | 2 | 2 2.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Squamous | 1 | 2 2.0| Mineralization | 1 | 4 1.5| Necrosis | 3 3 3 | 7 3.1| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | 1 1 | 5 1.4| Necrosis | 3 2 | 4 2.0| __________________________________________________________________________|____________| Tooth | | 1 | Inflammation, Chronic Active | | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR 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 52 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 6| 5| 5| 7| 5| 6| 6| 6| 6| 7| 6| 7| 2| 7| 4| 7| 6| 6| 5| 6| 7| 5| 6| 7| 6| | DAY ON TEST | 3| 2| 5| 3| 6| 1| 6| 9| 3| 3| 3| 3| 1| 3| 7| 3| 2| 3| 0| 5| 3| 5| 5| 3| 7| | | 2| 6| 3| 5| 6| 1| 5| 3| 7| 5| 7| 5| 3| 6| 7| 5| 7| 0| 3| 3| 5| 3| 3| 5| 6| 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 | FISCHER 344 RATS 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 | 30 MG/M3 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Blood Vessel | | 1 | Aorta, Mineralization | | 1 1.0| __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 3 2 2 2 2 2 2 2 1 2 2 2 2 3 2 2 2 2 1 2 2 | 40 1.9| Artery, Mineralization | | 1 1.0| Atrium, Thrombosis | 4 3 | 6 2.7| Endocardium, Hyperplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 3 | 1 3.0| Hyperplasia | 2 2 2 2 2 2 2 2 3 2 2 2 2 | 26 2.1| Hypertrophy | 2 1 | 8 1.8| Thrombosis | | 1 2.0| Vacuolization Cytoplasmic | 3 | 2 2.5| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 1 2 2 2 1 2 2 1 2 2 2| 27 2.1| Bilateral, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + A + + + + + + + +| 49 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 46 | Hyperplasia | 2 2 2 2 1 | 10 2.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pars Distalis, Hyperplasia | 2 2 3 | 6 2.3| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 2 2 1 2 1 1 1 1 1 1 2 3 1 | 31 1.4| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Penis | | 2 | Inflammation, Acute | | 1 3.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 4 | 3 3.0| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 1 2 1 2 | 12 1.7| Inflammation, Chronic Active | 3 | 2 2.5| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 53 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 6| 5| 5| 7| 5| 6| 6| 6| 6| 7| 6| 7| 2| 7| 4| 7| 6| 6| 5| 6| 7| 5| 6| 7| 6| | DAY ON TEST | 3| 2| 5| 3| 6| 1| 6| 9| 3| 3| 3| 3| 1| 3| 7| 3| 2| 3| 0| 5| 3| 5| 5| 3| 7| | | 2| 6| 3| 5| 6| 1| 5| 3| 7| 5| 7| 5| 3| 6| 7| 5| 7| 0| 3| 3| 5| 3| 3| 5| 6| 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 | FISCHER 344 RATS 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 | 30 MG/M3 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 3 | 3 3.0| Artery, Inflammation, Chronic Active | 2 | 2 2.0| Interstitial Cell, Hyperplasia | 2 2 1 1 | 7 1.4| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node | + + + +| 8 | Renal, Hemorrhage | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | M + + + + + + + + + + + + + M + + + + + + M M M +| 42 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + M + + + + + + + + + + + + + + + + + + + + + +| 49 | Infiltration Cellular, Plasma Cell | 3 | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + M + + + + + + + + + + + + + + + + + + + M +| 46 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | 3 2 2 2 2 2 3 2| 15 2.3| Hematopoietic Cell Proliferation | 3 | 1 3.0| Necrosis | | 2 3.0| __________________________________________________________________________|____________| Thymus | + + + + M + + + + + + + M + + + + + + + + + + + +| 44 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + M M + M M + + M M + M M M M + + + M + M + M + M| 25 | Galactocele | | 1 3.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Fibrosis | | 1 2.0| Hyperkeratosis | | 1 3.0| Inflammation, Acute | | 1 3.0| Inflammation, Chronic Active | 3 3 3| 3 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrous Osteodystrophy | 2 | 2 2.0| Hyperostosis | 3 2 | 2 2.5| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Necrosis | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | 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 54 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 6| 5| 5| 7| 5| 6| 6| 6| 6| 7| 6| 7| 2| 7| 4| 7| 6| 6| 5| 6| 7| 5| 6| 7| 6| | DAY ON TEST | 3| 2| 5| 3| 6| 1| 6| 9| 3| 3| 3| 3| 1| 3| 7| 3| 2| 3| 0| 5| 3| 5| 5| 3| 7| | | 2| 6| 3| 5| 6| 1| 5| 3| 7| 5| 7| 5| 3| 6| 7| 5| 7| 0| 3| 3| 5| 3| 3| 5| 6| 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 | FISCHER 344 RATS 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 | 30 MG/M3 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | Epiglottis, Hyperplasia | 1 1 1 1 1 1 1 | 13 1.0| Epiglottis, Metaplasia, Squamous | 1 2 2 1 1 1 2 2 | 16 1.7| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 1 | 3 1.7| Metaplasia, Osseous | | 1 1.0| Thrombosis | | 1 2.0| Alveolar Epithelium, Hyperplasia | 1 1 1 3 2 1 1 1 2 3 | 12 1.6| Alveolus, Inflammation, Chronic | 1 2 1 1 1 2 1 2 2 | 25 1.5| Interstitium, Fibrosis | 1 | 1 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + A + + + + + + + +| 49 | Inflammation, Suppurative | 2 | 5 1.6| Thrombosis | 3 4 3 3 3 2 4 2| 15 2.9| Olfactory Epithelium, Degeneration, | | | Hyaline | 3 2 1 3 2 3 3 3 3 3 3 2 3 2 2 3 3 3 3 2 3 3 3| 48 2.7| Respiratory Epithelium, Degeneration,| | | Hyaline | 3 2 1 3 2 1 1 2 1 2 1 2 1 2 2 1 2 1 1 1 2 1 2| 48 1.6| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Zymbal's Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 2 2 | 3 2.0| Infarct | 2 | 2 2.0| Mineralization | | 1 1.0| Nephropathy | 3 4 2 4 2 2 4 4 3 4 3 4 4 2 3 3 2 2 3 4 2 4 3 2| 49 3.1| Renal Tubule, Hyperplasia | 2 4 1 3 1 2 | 7 2.3| Transitional Epithelium, Hyperplasia | 1 | 2 1.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 2.0| Inflammation, Chronic Active | | 1 2.0| Capillary, Hyperplasia | | 1 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 55 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 6| 6| 7| 6| 6| 6| 7| 5| 4| 7| 6| 5| 7| 7| 7| 7| 7| 6| 3| 6| 7| 7| 6| 7| 5| DAY ON TEST | 3| 9| 3| 2| 6| 7| 3| 9| 9| 3| 4| 8| 3| 3| 3| 3| 3| 6| 9| 8| 1| 1| 9| 2| 5| | 5| 6| 5| 1| 2| 9| 5| 8| 7| 5| 5| 1| 5| 6| 7| 6| 6| 2| 6| 1| 7| 5| 3| 1| 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| FISCHER 344 RATS 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| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 100 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| MG/M3 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Rectum | + + + + + + I + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + A + + + + + +| Hemorrhage | 4 | Mineralization | 2 | __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + A + + + + + +| Necrosis | 4 2 | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + A + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + A + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Basophilic Focus | X X X X X X X X X X X X X | Clear Cell Focus | X X | Degeneration, Cystic | 1 1 2 2 1 2 1 1 2 2 | Degeneration, Fatty | 4 1 3 1 1 1 3 2| Eosinophilic Focus | X X X X X | Hepatodiaphragmatic Nodule | X | Mixed Cell Focus | X X | Necrosis | | Bile Duct, Hyperplasia | 3 2 3 2 2 2 3 2 1 3 1 2 2 2 3 2 2 3 3 | Centrilobular, Necrosis | 3 2 2 2 | __________________________________________________________________________| Mesentery | + + + + + + | Fat, Necrosis | 2 2 2 2 2 1 | __________________________________________________________________________| Oral Mucosa | + | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 2 2 2 1 3 2 3 1 2 3 3 2 2 3 1 | Basophilic Focus | X | Hyperplasia | 3 2 | Thrombosis | | Artery, Inflammation | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 | __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 3| Mineralization | 1 | Necrosis | 4 3 4 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 3 2 1 3 2 2 2 | Necrosis | 2 4 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Blood Vessel | + | Aorta, Mineralization | 2 | _____________________________________________________________________________________________________________________| Page 56 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 6| 6| 7| 6| 6| 6| 7| 5| 4| 7| 6| 5| 7| 7| 7| 7| 7| 6| 3| 6| 7| 7| 6| 7| 5| DAY ON TEST | 3| 9| 3| 2| 6| 7| 3| 9| 9| 3| 4| 8| 3| 3| 3| 3| 3| 6| 9| 8| 1| 1| 9| 2| 5| | 5| 6| 5| 1| 2| 9| 5| 8| 7| 5| 5| 1| 5| 6| 7| 6| 6| 2| 6| 1| 7| 5| 3| 1| 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| FISCHER 344 RATS 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| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 100 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| MG/M3 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 3 3 2 2 2 3 3 1 1 2 2 1 2 3 2 1 2 1 2 3 2 2 3 2 | Artery, Mineralization | 2 1 | Atrium, Thrombosis | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Hyperplasia | 2 2 2 1 2 2 2 2 2 2 2 2 1 1 2 2 | Hypertrophy | 2 2 2 2 | Necrosis | 3 | Vacuolization Cytoplasmic | 2 | __________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 3 3 3 1 1 3 2 3 3 3 2 | Bilateral, Hyperplasia | 2 3 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + A + + + + + +| Hyperplasia | 2 | __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + M + + + + + +| Hyperplasia | 2 4 2 2 1 2 1 2 3 2 3 3 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + A + + + + + +| Pars Distalis, Hyperplasia | 3 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 3 2 1 1 1 1 1 1 1 1 1 1 2 1| Follicular Cell, Hyperplasia | 2 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Granuloma Sperm | 2 | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3| Hyperplasia | | Inflammation, Chronic Active | 3 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 3 2 | Inflammation, Chronic Active | 2 3 4 2 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 | Artery, Inflammation, Chronic Active | 2 | Interstitial Cell, Hyperplasia | 2 1 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | _____________________________________________________________________________________________________________________| Page 57 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 6| 6| 7| 6| 6| 6| 7| 5| 4| 7| 6| 5| 7| 7| 7| 7| 7| 6| 3| 6| 7| 7| 6| 7| 5| DAY ON TEST | 3| 9| 3| 2| 6| 7| 3| 9| 9| 3| 4| 8| 3| 3| 3| 3| 3| 6| 9| 8| 1| 1| 9| 2| 5| | 5| 6| 5| 1| 2| 9| 5| 8| 7| 5| 5| 1| 5| 6| 7| 6| 6| 2| 6| 1| 7| 5| 3| 1| 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| FISCHER 344 RATS 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| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 100 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| MG/M3 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | __________________________________________________________________________| Lymph Node | + + + + | Iliac, Infiltration Cellular, Plasma | | Cell | 3 | Renal, Infiltration Cellular, Plasma | | Cell | 3 | __________________________________________________________________________| Lymph Node, Bronchial | + + + + + + + + + + + M + + + + + + + M M + + + +| __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Plasma Cell | 4 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node, Mediastinal | + M + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Spleen | X | Atrophy | 2 | Fibrosis | 2 2 3 3 3 2 3 2 | Hemorrhage | 3 | Necrosis | | Thrombosis | 3 | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + M + M + + + + M + + + +| Atrophy | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M + M + + M + + M + + M + M + M + + M + + + M M M| Galactocele | 3 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrous Osteodystrophy | 3 3 2 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Necrosis | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + M + + + +| Epiglottis, Hyperplasia | 2 1 1 1 | Epiglottis, Inflammation, Chronic | | _____________________________________________________________________________________________________________________| Page 58 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 _____________________________________________________________________________________________________________________ | 6| 6| 7| 6| 6| 6| 7| 5| 4| 7| 6| 5| 7| 7| 7| 7| 7| 6| 3| 6| 7| 7| 6| 7| 5| DAY ON TEST | 3| 9| 3| 2| 6| 7| 3| 9| 9| 3| 4| 8| 3| 3| 3| 3| 3| 6| 9| 8| 1| 1| 9| 2| 5| | 5| 6| 5| 1| 2| 9| 5| 8| 7| 5| 5| 1| 5| 6| 7| 6| 6| 2| 6| 1| 7| 5| 3| 1| 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| FISCHER 344 RATS 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| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 100 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| MG/M3 | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Epiglottis, Metaplasia, Squamous | 3 2 2 3 4 1 3 2 3 2 3 3 1 3 3 2 3 3| __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Mineralization | 2 | Thrombosis | 2 | Alveolar Epithelium, Hyperplasia | 1 1 2 2 3| Alveolus, Inflammation, Chronic | 2 4 3 4 3 2 3 2 2 1 2 3 3 1 1 2 3 2 3 3 3 1 2 2| Artery, Mediastinum, Mineralization | 3 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | Thrombosis | 4 4 3 1 4 | Olfactory Epithelium, Degeneration, | | Hyaline | 3 3 3 3 3 3 4 3 3 3 3 3 3 4 3 3 3 3 3 3 3 3 3 3 3| Respiratory Epithelium, Degeneration,| | Hyaline | 2 2 2 2 2 2 2 2 2 2 3 3 2 2 3 2 1 2 1 2 2 1 2 2 2| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Degeneration | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Accumulation, Hyaline Droplet | | Cyst | 2 | Hyperplasia, Oncocytic | 3 | Infarct | | Metaplasia | | Mineralization | 2 1 | Nephropathy | 2 4 4 2 2 4 4 4 2 4 2 3 4 4 3 3 4 3 4 4 4 4 3 4| Pelvis, Inflammation, Acute | 3 | Renal Tubule, Hyperplasia | 3 3 | Transitional Epithelium, Hyperplasia | 2 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 3 | Transitional Epithelium, Hyperplasia | 4 | _____________________________________________________________________________________________________________________| Page 59 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 7| 6| 6| 6| 6| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 4| 3| 6| 0| 5| | DAY ON TEST | 3| 3| 3| 9| 9| 3| 7| 7| 6| 7| 3| 2| 1| 3| 6| 3| 0| 3| 3| 3| 0| 3| 0| 1| 6| | | 5| 7| 6| 2| 3| 5| 4| 3| 0| 9| 2| 1| 8| 5| 5| 6| 6| 5| 5| 5| 6| 4| 2| 5| 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 | FISCHER 344 RATS 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 | 100 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | MG/M3 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hemorrhage | | 1 4.0| Mineralization | | 1 2.0| __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Necrosis | | 2 3.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + A + + +| 48 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 2 | 2 2.0| Basophilic Focus | X X X X X X X X | 21 | Clear Cell Focus | X | 3 | Degeneration, Cystic | 2 1 2 2 1 2 2 1 2 2 2 2 1 1| 24 1.6| Degeneration, Fatty | 3 2 2 2 2 3 | 14 2.1| Eosinophilic Focus | X X X X X | 10 | Hepatodiaphragmatic Nodule | X X X | 4 | Mixed Cell Focus | X X X | 5 | Necrosis | 2 | 1 2.0| Bile Duct, Hyperplasia | 2 3 4 2 3 3 1 1 3 3 1 2 2 3 3 2 1 1 2 2| 39 2.2| Centrilobular, Necrosis | 1 1 1 1 1 1| 10 1.5| __________________________________________________________________________|____________| Mesentery | + + + + + | 11 | Fat, Necrosis | 2 2 2 3 | 10 2.0| __________________________________________________________________________|____________| Oral Mucosa | | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 3 3 2 3 1 1 3 3 1 1 1 3 1 2 2 2 1 2| 34 2.0| Basophilic Focus | X | 2 | Hyperplasia | 2 2 3 | 5 2.4| Thrombosis | 4 | 1 4.0| Artery, Inflammation | 4 | 1 4.0| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 2 2 | 3 2.3| __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Squamous | 4 | 2 3.5| Mineralization | | 1 1.0| Necrosis | 4 | 4 3.8| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mineralization | 2 3 1 | 10 2.1| __________________________________________________________________________________________________________________________________ * : 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 60 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 7| 6| 6| 6| 6| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 4| 3| 6| 0| 5| | DAY ON TEST | 3| 3| 3| 9| 9| 3| 7| 7| 6| 7| 3| 2| 1| 3| 6| 3| 0| 3| 3| 3| 0| 3| 0| 1| 6| | | 5| 7| 6| 2| 3| 5| 4| 3| 0| 9| 2| 1| 8| 5| 5| 6| 6| 5| 5| 5| 6| 4| 2| 5| 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 | FISCHER 344 RATS 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 | 100 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | MG/M3 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Necrosis | | 2 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Blood Vessel | + | 2 | Aorta, Mineralization | 2 | 2 2.0| __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 2 1 2 3 1 3 2 2 2 2 1 1 1 2 2 1 2 2 3 2| 45 2.0| Artery, Mineralization | 2 | 3 1.7| Atrium, Thrombosis | 1 2 4 | 4 2.5| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 3 | 1 3.0| Hyperplasia | 2 2 2 1 2 2 2 2 2 2| 26 1.8| Hypertrophy | 2 2 2 3 | 8 2.1| Necrosis | | 1 3.0| Vacuolization Cytoplasmic | 1 | 2 1.5| __________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 2 3 2 3 2 2 3 3 3 2 3 2 | 25 2.4| Bilateral, Hyperplasia | 3 4 | 4 3.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | | 1 2.0| __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 3 3 | 14 2.4| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + M + + + + + + + + + + + + + +| 48 | Pars Distalis, Hyperplasia | 2 3 2 2 | 6 2.3| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 2 2 1 1 1 2 1 2 1 1 1 1 1 1 1 2 | 30 1.3| Follicular Cell, Hyperplasia | 1 3 | 4 1.8| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Granuloma Sperm | | 1 2.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 3.0| 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 61 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 7| 6| 6| 6| 6| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 4| 3| 6| 0| 5| | DAY ON TEST | 3| 3| 3| 9| 9| 3| 7| 7| 6| 7| 3| 2| 1| 3| 6| 3| 0| 3| 3| 3| 0| 3| 0| 1| 6| | | 5| 7| 6| 2| 3| 5| 4| 3| 0| 9| 2| 1| 8| 5| 5| 6| 6| 5| 5| 5| 6| 4| 2| 5| 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 | FISCHER 344 RATS 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 | 100 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | MG/M3 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | Inflammation, Chronic Active | 3 2 | 3 2.7| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 1 1 1 | 7 1.9| Inflammation, Chronic Active | 3 | 5 2.8| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 4 | 2 4.0| Artery, Inflammation, Chronic Active | 2 | 2 2.0| Interstitial Cell, Hyperplasia | 1 1 1 | 5 1.2| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 3 | 1 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + +| 15 | Iliac, Infiltration Cellular, Plasma | | | Cell | | 1 3.0| Renal, Infiltration Cellular, Plasma | | | Cell | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Bronchial | + + M + + + + + + + M + + + + + M + + + + + + M +| 43 | __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + M + + + + + + + + + + + + M + + + + +| 48 | Infiltration Cellular, Plasma Cell | 3 | 2 3.5| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + M + + + + +| 49 | __________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + + + + + + + + + + + + + + + + + + + M +| 48 | Hemorrhage | 2 | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accessory Spleen | | 1 | Atrophy | 1 | 2 1.5| Fibrosis | 2 1 3 2 3 2 2 2 3 | 17 2.4| Hemorrhage | | 1 3.0| Necrosis | 2 | 1 2.0| Thrombosis | | 1 3.0| __________________________________________________________________________|____________| Thymus | + + + M + + + + M + + + + + + + + M + + + + + + +| 44 | Atrophy | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + M M M M + + + M + M + M + M M M M M| 27 | Galactocele | 3 | 2 3.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + I + + + + + + + + + + + + + + +| 49 | Hyperkeratosis | 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 62 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 7| 6| 6| 6| 6| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 4| 3| 6| 0| 5| | DAY ON TEST | 3| 3| 3| 9| 9| 3| 7| 7| 6| 7| 3| 2| 1| 3| 6| 3| 0| 3| 3| 3| 0| 3| 0| 1| 6| | | 5| 7| 6| 2| 3| 5| 4| 3| 0| 9| 2| 1| 8| 5| 5| 6| 6| 5| 5| 5| 6| 4| 2| 5| 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 | FISCHER 344 RATS 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 | 100 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | MG/M3 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | Inflammation, Chronic Active | 3 3 | 2 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrous Osteodystrophy | 2 2 | 5 2.4| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 3 | 1 3.0| Necrosis | 3 | 2 2.5| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Epiglottis, Hyperplasia | 1 | 5 1.2| Epiglottis, Inflammation, Chronic | 1 | 1 1.0| Epiglottis, Metaplasia, Squamous | 3 2 2 1 2 2 3 1 1 4 3 1 2 1 3 1 1 3 3 4 2| 39 2.3| __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 2 | 1 2.0| Mineralization | 1 | 2 1.5| Thrombosis | | 1 2.0| Alveolar Epithelium, Hyperplasia | 2 3 | 7 2.0| Alveolus, Inflammation, Chronic | 2 1 3 1 3 2 3 3 3 3 3 3 3 2 2 2 3 3 2 3 3 3 3| 47 2.5| Artery, Mediastinum, Mineralization | 2 | 2 2.5| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 1 3 3 | 3 2.3| Thrombosis | 2 3 3 3| 9 3.0| Olfactory Epithelium, Degeneration, | | | Hyaline | 3 4 3 3 3 4 3 3 3 3 3 4 3 3 3 3 3 4 3 3 4 3 3 3| 49 3.1| Respiratory Epithelium, Degeneration,| | | Hyaline | 2 2 2 2 2 2 2 2 2 1 2 2 2 2 2 2 2 2 2 3 3 3 2 2| 49 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 1 | Degeneration | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accumulation, Hyaline Droplet | 4 | 1 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 63 NTP Experiment-Test: 05158-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC MOLYBDENUM TRIOXIDE Date: 09/29/95 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 17:43:33 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 6| 6| 7| 6| 6| 6| 6| 7| 7| 6| 7| 6| 7| 7| 7| 7| 7| 4| 3| 6| 0| 5| | DAY ON TEST | 3| 3| 3| 9| 9| 3| 7| 7| 6| 7| 3| 2| 1| 3| 6| 3| 0| 3| 3| 3| 0| 3| 0| 1| 6| | | 5| 7| 6| 2| 3| 5| 4| 3| 0| 9| 2| 1| 8| 5| 5| 6| 6| 5| 5| 5| 6| 4| 2| 5| 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 | FISCHER 344 RATS 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 | 100 | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | MG/M3 | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | Cyst | | 1 2.0| Hyperplasia, Oncocytic | 3 2 | 3 2.7| Infarct | 3| 1 3.0| Metaplasia | 1 | 1 1.0| Mineralization | 2 | 3 1.7| Nephropathy | 4 2 3 2 3 4 3 4 3 3 3 4 3 2 2 3 3 4 4 4 1 2 2 2| 48 3.1| Pelvis, Inflammation, Acute | | 1 3.0| Renal Tubule, Hyperplasia | 2 2 | 4 2.5| Transitional Epithelium, Hyperplasia | 1 2 2 | 4 1.8| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | | 2 3.0| Transitional Epithelium, Hyperplasia | | 1 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 64 ------------------------------------------------------------