TDMS Study 96007-03 Pathology Tables
NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 FINAL # 3 RATS Facility: Battelle Columbus Laboratory Chemical CAS #: 1746-01-6 Lock Date: 06/28/01 Cage Range: All Reasons For Removal: 25018 Dosing Accident 25019 Moribund Sacrifice 25020 Natural Death 25021 Terminal Sacrifice Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 5| 4| 6| 7| 7| 7| 5| 7| 3| 6| 6| 3| 1| 7| 7| 4| 7| 7| 7| 6| DAY ON TEST | 3| 3| 3| 6| 3| 3| 8| 7| 3| 3| 3| 2| 3| 5| 9| 4| 6| 8| 3| 2| 9| 3| 3| 3| 4| | 3| 1| 1| 6| 3| 3| 7| 5| 2| 2| 3| 6| 1| 1| 4| 5| 1| 5| 2| 2| 2| 1| 1| 1| 8| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 NG/KG | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| | 1| 2| 3| 4| 5| 6| 7| 9| 0| 1| 2| 3| 4| 1| 2| 3| 4| 5| 1| 4| 5| 6| 7| 8| 9| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| Muscularis, Inflammation | 2 | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + M + + + + + + + + + + +| Parasite Metazoan | | |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X X | |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + M + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + M + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + M + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | X X X | Basophilic Focus, Multiple | X X| Cholangiofibrosis | 1 | Clear Cell Focus | X | Clear Cell Focus, Multiple | X | Congestion | 1| Eosinophilic Focus | X X X X | Eosinophilic Focus, Multiple | X X | Fatty Change, Focal | 2 1 | Hematopoietic Cell Proliferation | | Inflammation | 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 | Mixed Cell Focus | X X X | Mixed Cell Focus, Multiple | X X X X X X X X X X X | Necrosis | | Pigmentation | 1 | Bile Duct, Cyst | 4| Bile Duct, Hyperplasia | 2 1 2 2 | Centrilobular, Degeneration | 2| __________________________________________|__________________________________________________________________________| Page 2 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 5| 4| 6| 7| 7| 7| 5| 7| 3| 6| 6| 3| 1| 7| 7| 4| 7| 7| 7| 6| DAY ON TEST | 3| 3| 3| 6| 3| 3| 8| 7| 3| 3| 3| 2| 3| 5| 9| 4| 6| 8| 3| 2| 9| 3| 3| 3| 4| | 3| 1| 1| 6| 3| 3| 7| 5| 2| 2| 3| 6| 1| 1| 4| 5| 1| 5| 2| 2| 2| 1| 1| 1| 8| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 NG/KG | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| | 1| 2| 3| 4| 5| 6| 7| 9| 0| 1| 2| 3| 4| 1| 2| 3| 4| 5| 1| 4| 5| 6| 7| 8| 9| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | |__________________________________________________________________________| Mesentery | +| Metaplasia, Osseous | 2| Vein, Thrombosis | 3| |__________________________________________________________________________| Oral Mucosa | | Gingival, Hyperplasia, Squamous | | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + M + + + + + + + + + + +| Acinus, Atrophy | | Acinus, Hyperplasia | 2 | Acinus, Vacuolization Cytoplasmic | 2| |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 3 | |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | 1 | Hyperplasia, Squamous | | Inflammation | | Ulcer | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Erosion | | Mineralization | 1 1 | |__________________________________________________________________________| Tooth | + + + + + + + + + +| Peridontal Tissue, Fibrosis | | Peridontal Tissue, Inflammation | 1 2 1 2 1 2 1 3 1 1| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| Aorta, Mineralization | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 | Mineralization | | __________________________________________|__________________________________________________________________________| Page 3 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 5| 4| 6| 7| 7| 7| 5| 7| 3| 6| 6| 3| 1| 7| 7| 4| 7| 7| 7| 6| DAY ON TEST | 3| 3| 3| 6| 3| 3| 8| 7| 3| 3| 3| 2| 3| 5| 9| 4| 6| 8| 3| 2| 9| 3| 3| 3| 4| | 3| 1| 1| 6| 3| 3| 7| 5| 2| 2| 3| 6| 1| 1| 4| 5| 1| 5| 2| 2| 2| 1| 1| 1| 8| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 NG/KG | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| | 1| 2| 3| 4| 5| 6| 7| 9| 0| 1| 2| 3| 4| 1| 2| 3| 4| 5| 1| 4| 5| 6| 7| 8| 9| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 2 1 2 1 1| Atrophy | | Degeneration, Cystic | 3 3 3 3| Hyperplasia | 2 1 1 2 2 2 2 | Hypertrophy | 2 2 3 2 3 2 1 2 2 1 3 3 4 3 1 3 2 2 2| Inflammation, Chronic Active | | Inflammation, Suppurative | | Vacuolization Cytoplasmic | 1 2 1 1 1 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 2 2 1 2 1 1 2 2 1 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + M + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + M + + + + + + + + + + M + + + + + + +| Hyperplasia | | |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 2 3 3 1 2 3 3 3 | Atypia Cellular | 2 | Cyst | | Cytoplasmic Alteration | | Developmental Malformation | | Pars Distalis, Hyperplasia | 1 3 2 2 2 1 2 2 2 2 3 3 | Pars Intermedia, Hyperplasia | 2 3 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 | C-Cell, Hyperplasia | 1 1 2 1 3 1 3 3 | Follicular Cell, Hyperplasia | 2 | Follicular Cell, Hypertrophy | 3 2 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | __________________________________________|__________________________________________________________________________| Page 4 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 5| 4| 6| 7| 7| 7| 5| 7| 3| 6| 6| 3| 1| 7| 7| 4| 7| 7| 7| 6| DAY ON TEST | 3| 3| 3| 6| 3| 3| 8| 7| 3| 3| 3| 2| 3| 5| 9| 4| 6| 8| 3| 2| 9| 3| 3| 3| 4| | 3| 1| 1| 6| 3| 3| 7| 5| 2| 2| 3| 6| 1| 1| 4| 5| 1| 5| 2| 2| 2| 1| 1| 1| 8| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 NG/KG | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| | 1| 2| 3| 4| 5| 6| 7| 9| 0| 1| 2| 3| 4| 1| 2| 3| 4| 5| 1| 4| 5| 6| 7| 8| 9| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Basal Cell | 2 | Inflammation | 1 1 2 1 1 1 1 2 2 3 2 1 2 1 2 2 2 1 1 1| Duct, Cyst | 2 2 3 2 2 3 2 4 2 2 2 1 1 4 3 2 2| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + M + + + + + + + + + + +| Atrophy | 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4| Cyst | 2 3 2 3 3 3 2 3 3 3 | |__________________________________________________________________________| Oviduct | + | Inflammation | 3 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Inflammation, Suppurative | 2 1 2 | Metaplasia, Squamous | 2 2 3 1 2 3 1 4 2 1 2 1 3 2 1| Endometrium, Hyperplasia, Cystic | 3 1 2 1 3 2 2 2 2 1 2| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 2 3 4 3 4 3 3 3 3 2 3 3 3 3 3 4 3| |__________________________________________________________________________| Lymph Node | | Lumbar, Ectasia | | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Hyperplasia, Plasma Cell | 2 2 2 2 2 2 2 | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + M + + + + + + + + + + +| Hyperplasia, Histiocytic | | |__________________________________________________________________________| Spleen | + + + + + + M + + + + + + M + + + + + + + + + + +| Hematopoietic Cell Proliferation | 1 1 1 1 2 1 3 3 2 1 1 1 2 2 1 1 2 1 3 2 1 2| Hyperplasia, Lymphoid | 2 | Pigmentation | 2 2 1 1 1 1 1 1 1 3 2 1 2 1 2 2 1 1 2 2 1| __________________________________________|__________________________________________________________________________| Page 5 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 5| 4| 6| 7| 7| 7| 5| 7| 3| 6| 6| 3| 1| 7| 7| 4| 7| 7| 7| 6| DAY ON TEST | 3| 3| 3| 6| 3| 3| 8| 7| 3| 3| 3| 2| 3| 5| 9| 4| 6| 8| 3| 2| 9| 3| 3| 3| 4| | 3| 1| 1| 6| 3| 3| 7| 5| 2| 2| 3| 6| 1| 1| 4| 5| 1| 5| 2| 2| 2| 1| 1| 1| 8| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 NG/KG | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| | 1| 2| 3| 4| 5| 6| 7| 9| 0| 1| 2| 3| 4| 1| 2| 3| 4| 5| 1| 4| 5| 6| 7| 8| 9| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Lymphoid Follicle, Atrophy | | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 2 3 3 2 3 4 2 3 3 2 2 2 2 3 3 1 3| Hemorrhage | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hyperplasia | 1 1 1 1 1 1 1 1 3 2 1 1 1 | Inflammation, Granulomatous | | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Cerebellum, Developmental | | Malformation | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Histiocyte | 2 2 2 1 2 2 1 2 1 1 2 3 1 2 1 2 2 | Inflammation, Granulomatous | 1 1 | Inflammation, Suppurative | 3 | Metaplasia, Squamous | | Mineralization | | Alveolar Epithelium, Hyperplasia | 1 1 1 1 | Alveolar Epithelium, Metaplasia, | | Bronchiolar | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 6 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 5| 4| 6| 7| 7| 7| 5| 7| 3| 6| 6| 3| 1| 7| 7| 4| 7| 7| 7| 6| DAY ON TEST | 3| 3| 3| 6| 3| 3| 8| 7| 3| 3| 3| 2| 3| 5| 9| 4| 6| 8| 3| 2| 9| 3| 3| 3| 4| | 3| 1| 1| 6| 3| 3| 7| 5| 2| 2| 3| 6| 1| 1| 4| 5| 1| 5| 2| 2| 2| 1| 1| 1| 8| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 NG/KG | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| | 1| 2| 3| 4| 5| 6| 7| 9| 0| 1| 2| 3| 4| 1| 2| 3| 4| 5| 1| 4| 5| 6| 7| 8| 9| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 2 | Nasolacrimal Duct, Inflammation | 2 | Squamous Epithelium, Inflammation, | | Suppurative | 1 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration | | Hemorrhage | | Retina, Atrophy | 2 2 2 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy, Focal | 2 | Inflammation | 2 1 | |__________________________________________________________________________| Zymbal's Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | 2 | Casts Protein | 2 | Cyst | 2 | Inflammation, Chronic Active | 1 2 1 1 1 | Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | Nephropathy | 1 3 1 2 1 1 1 1 1 1 1 1 1 1 1 | Pelvis, Dilatation | 3 3 | Pelvis, Inflammation | 3 3 | Transitional Epithelium, Hyperplasia | 3 2 | |__________________________________________________________________________| Ureter | + | Inflammation | 2 | __________________________________________|__________________________________________________________________________| Page 7 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 6| 7| 5| 4| 6| 7| 7| 7| 5| 7| 3| 6| 6| 3| 1| 7| 7| 4| 7| 7| 7| 6| DAY ON TEST | 3| 3| 3| 6| 3| 3| 8| 7| 3| 3| 3| 2| 3| 5| 9| 4| 6| 8| 3| 2| 9| 3| 3| 3| 4| | 3| 1| 1| 6| 3| 3| 7| 5| 2| 2| 3| 6| 1| 1| 4| 5| 1| 5| 2| 2| 2| 1| 1| 1| 8| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 NG/KG | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| | 1| 2| 3| 4| 5| 6| 7| 9| 0| 1| 2| 3| 4| 1| 2| 3| 4| 5| 1| 4| 5| 6| 7| 8| 9| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Transitional Epithelium, Hyperplasia | 3 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 2 3 | Transitional Epithelium, Hyperplasia | 2 | __________________________________________|__________________________________________________________________________ Page 8 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 6| 4| 6| 7| 7| 7| 7| 6| 7| 5| 7| 7| 6| 6| 6| 3| 5| 4| 1| 6| 7| 7| 7| 7| DAY ON TEST | 3| 4| 6| 9| 3| 3| 3| 3| 3| 3| 1| 1| 0| 1| 4| 6| 6| 4| 7| 6| 4| 3| 3| 3| 3| | 2| 7| 9| 7| 2| 3| 3| 3| 1| 1| 2| 7| 1| 0| 6| 8| 6| 8| 4| 9| 6| 2| 2| 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| SPRAGUE-DAWLEY 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 NG/KG | 4| 4| 4| 4| 4| 4| 4| 4| 6| 6| 6| 6| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| | 0| 1| 2| 3| 4| 7| 8| 9| 1| 2| 3| 4| 1| 3| 5| 1| 2| 3| 4| 6| 7| 8| 1| 2| 3| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + M + + + + + + + + + + + + + + + +| Muscularis, Inflammation | | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X | |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + M + + + + + + + + + + +| Parasite Metazoan | X X X X| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + M + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + M + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + M + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 | Basophilic Focus | X X X X X | Basophilic Focus, Multiple | X X | Cholangiofibrosis | | Clear Cell Focus | X X X | Clear Cell Focus, Multiple | | Congestion | 1 | Eosinophilic Focus | X X X X | Eosinophilic Focus, Multiple | X | Fatty Change, Focal | | Hematopoietic Cell Proliferation | 2 | Inflammation | 1 1 1 1 1 1 2 1 1 1 1 1 2 1 1 1| Mixed Cell Focus | X | Mixed Cell Focus, Multiple | X X X X X X X X X X X X X| Necrosis | 2 | Pigmentation | 1 1 1 | Bile Duct, Cyst | 3 3 | Bile Duct, Hyperplasia | 1 | Centrilobular, Degeneration | 3 | __________________________________________|__________________________________________________________________________| Page 9 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 6| 4| 6| 7| 7| 7| 7| 6| 7| 5| 7| 7| 6| 6| 6| 3| 5| 4| 1| 6| 7| 7| 7| 7| DAY ON TEST | 3| 4| 6| 9| 3| 3| 3| 3| 3| 3| 1| 1| 0| 1| 4| 6| 6| 4| 7| 6| 4| 3| 3| 3| 3| | 2| 7| 9| 7| 2| 3| 3| 3| 1| 1| 2| 7| 1| 0| 6| 8| 6| 8| 4| 9| 6| 2| 2| 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| SPRAGUE-DAWLEY 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 NG/KG | 4| 4| 4| 4| 4| 4| 4| 4| 6| 6| 6| 6| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| | 0| 1| 2| 3| 4| 7| 8| 9| 1| 2| 3| 4| 1| 3| 5| 1| 2| 3| 4| 6| 7| 8| 1| 2| 3| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | |__________________________________________________________________________| Mesentery | + | Metaplasia, Osseous | | Vein, Thrombosis | | |__________________________________________________________________________| Oral Mucosa | + +| Gingival, Hyperplasia, Squamous | 4| |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + M + + + + + + + + + + +| Acinus, Atrophy | 1 | Acinus, Hyperplasia | 3 | Acinus, Vacuolization Cytoplasmic | | |__________________________________________________________________________| Salivary Glands | + + + + + + + + M + M + + + + + + + + + + + + + +| Mineralization | | |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | | Hyperplasia, Squamous | 1 1 2 | Inflammation | 3 | Ulcer | 2 3 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Erosion | 3 | Mineralization | 2 | |__________________________________________________________________________| Tooth | + + + + + +| Peridontal Tissue, Fibrosis | 2 | Peridontal Tissue, Inflammation | 2 3 2 2 2| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| Aorta, Mineralization | 3 | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 2 2 | Mineralization | 2 | __________________________________________|__________________________________________________________________________| Page 10 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 6| 4| 6| 7| 7| 7| 7| 6| 7| 5| 7| 7| 6| 6| 6| 3| 5| 4| 1| 6| 7| 7| 7| 7| DAY ON TEST | 3| 4| 6| 9| 3| 3| 3| 3| 3| 3| 1| 1| 0| 1| 4| 6| 6| 4| 7| 6| 4| 3| 3| 3| 3| | 2| 7| 9| 7| 2| 3| 3| 3| 1| 1| 2| 7| 1| 0| 6| 8| 6| 8| 4| 9| 6| 2| 2| 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| SPRAGUE-DAWLEY 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 NG/KG | 4| 4| 4| 4| 4| 4| 4| 4| 6| 6| 6| 6| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| | 0| 1| 2| 3| 4| 7| 8| 9| 1| 2| 3| 4| 1| 3| 5| 1| 2| 3| 4| 6| 7| 8| 1| 2| 3| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 1 2 1 | Atrophy | 2 | Degeneration, Cystic | 2 2 2 3 1 2 | Hyperplasia | 2 2 3 1 3 3 2| Hypertrophy | 2 2 2 2 2 2 1 1 2 2 3 3 1 2 2 1 3 3 2| Inflammation, Chronic Active | 2 | Inflammation, Suppurative | 1 | Vacuolization Cytoplasmic | 2 1 1 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 2 1 2 2 2 3 2 2| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + M + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + M + + + + + + M M + + + + + M + + + + + + + + +| Hyperplasia | 2 | |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 3 1 2 2 3 3 1 2 2 2 3| Atypia Cellular | | Cyst | 2 | Cytoplasmic Alteration | 1 | Developmental Malformation | X | Pars Distalis, Hyperplasia | 3 2 2 2 1 3 2 | Pars Intermedia, Hyperplasia | | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + M + + + + + + + + + + + + + + + +| Cyst | | C-Cell, Hyperplasia | 3 2 2 2 1 1 2 1 2 2 | Follicular Cell, Hyperplasia | 3 | Follicular Cell, Hypertrophy | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | __________________________________________|__________________________________________________________________________| Page 11 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 6| 4| 6| 7| 7| 7| 7| 6| 7| 5| 7| 7| 6| 6| 6| 3| 5| 4| 1| 6| 7| 7| 7| 7| DAY ON TEST | 3| 4| 6| 9| 3| 3| 3| 3| 3| 3| 1| 1| 0| 1| 4| 6| 6| 4| 7| 6| 4| 3| 3| 3| 3| | 2| 7| 9| 7| 2| 3| 3| 3| 1| 1| 2| 7| 1| 0| 6| 8| 6| 8| 4| 9| 6| 2| 2| 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| SPRAGUE-DAWLEY 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 NG/KG | 4| 4| 4| 4| 4| 4| 4| 4| 6| 6| 6| 6| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| | 0| 1| 2| 3| 4| 7| 8| 9| 1| 2| 3| 4| 1| 3| 5| 1| 2| 3| 4| 6| 7| 8| 1| 2| 3| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + M M + + + M + + + + + + +| Hyperplasia, Basal Cell | | Inflammation | 1 2 1 2 2 3 2 2 3 1 1 1 2 1 2 3 2 1| Duct, Cyst | 2 3 1 3 2 1 1 3 2 1 3 3 3 3 3| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + M + + + + + + + + + + +| Atrophy | 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4| Cyst | 2 2 2 2 | |__________________________________________________________________________| Oviduct | + | Inflammation | 3 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + M + + + + + + + + + + +| Hemorrhage | | Inflammation, Suppurative | 2 1 1 4 | Metaplasia, Squamous | 1 3 1 3 1 1 2 2 1 3 2 4 2 | Endometrium, Hyperplasia, Cystic | 2 1 3 3 3 2 1 2 3 2 2 2 2 2 2 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 4 3 3 2 3 2 3 4 3 3 4 3 3 2 2 3 3| |__________________________________________________________________________| Lymph Node | + + | Lumbar, Ectasia | 3 | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + M + M + + + + + + + + + + + + + +| Congestion | 2 | Hyperplasia, Plasma Cell | 2 2 2 2 2 2 2 2 3 2 2 2 2 2 2| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Histiocytic | 2 | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 1 3 1 1 1 1 1 1 1 3 3 2 1 1 2 1 1 1 1 1| Hyperplasia, Lymphoid | | Pigmentation | 1 1 2 1 1 2 2 2 2 2 1 1 1 2 1 1 2 2 2 2 1 | __________________________________________|__________________________________________________________________________| Page 12 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 6| 4| 6| 7| 7| 7| 7| 6| 7| 5| 7| 7| 6| 6| 6| 3| 5| 4| 1| 6| 7| 7| 7| 7| DAY ON TEST | 3| 4| 6| 9| 3| 3| 3| 3| 3| 3| 1| 1| 0| 1| 4| 6| 6| 4| 7| 6| 4| 3| 3| 3| 3| | 2| 7| 9| 7| 2| 3| 3| 3| 1| 1| 2| 7| 1| 0| 6| 8| 6| 8| 4| 9| 6| 2| 2| 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| SPRAGUE-DAWLEY 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 NG/KG | 4| 4| 4| 4| 4| 4| 4| 4| 6| 6| 6| 6| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| | 0| 1| 2| 3| 4| 7| 8| 9| 1| 2| 3| 4| 1| 3| 5| 1| 2| 3| 4| 6| 7| 8| 1| 2| 3| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Lymphoid Follicle, Atrophy | 3 2 2 2 | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + M + + M + + + + + + + + +| Atrophy | 2 2 4 2 3 2 2 2 2 4 2 3 3 3 3 3| Hemorrhage | 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 2 3 2 | Hyperplasia | 2 1 2 1 1 2 1 1 1 2 1| Inflammation, Granulomatous | 2 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | X | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Cerebellum, Developmental | | Malformation | 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Histiocyte | 2 2 2 3 3 2 1 2 2 3 2 1 1 1 2 1 2 2 2 3 2| Inflammation, Granulomatous | | Inflammation, Suppurative | | Metaplasia, Squamous | 1 | Mineralization | 2 | Alveolar Epithelium, Hyperplasia | 1 1 2 1 1 1 | Alveolar Epithelium, Metaplasia, | | Bronchiolar | 1 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 13 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 6| 4| 6| 7| 7| 7| 7| 6| 7| 5| 7| 7| 6| 6| 6| 3| 5| 4| 1| 6| 7| 7| 7| 7| DAY ON TEST | 3| 4| 6| 9| 3| 3| 3| 3| 3| 3| 1| 1| 0| 1| 4| 6| 6| 4| 7| 6| 4| 3| 3| 3| 3| | 2| 7| 9| 7| 2| 3| 3| 3| 1| 1| 2| 7| 1| 0| 6| 8| 6| 8| 4| 9| 6| 2| 2| 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| SPRAGUE-DAWLEY 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 NG/KG | 4| 4| 4| 4| 4| 4| 4| 4| 6| 6| 6| 6| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| | 0| 1| 2| 3| 4| 7| 8| 9| 1| 2| 3| 4| 1| 3| 5| 1| 2| 3| 4| 6| 7| 8| 1| 2| 3| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 3 | Nasolacrimal Duct, Inflammation | 2 | Squamous Epithelium, Inflammation, | | Suppurative | | |__________________________________________________________________________| Trachea | + + + + + + + + M + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | + + | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration | 4 | Hemorrhage | 2 | Retina, Atrophy | 3 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy, Focal | | Inflammation | 1 1 2 1 1 2 1 1 1 | |__________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | | Casts Protein | 1 1 | Cyst | 3 | Inflammation, Chronic Active | | Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 1 1 1 1 1| Nephropathy | 2 1 1 1 1 2 1 1 1 1 3 1 1 1 1 1| Pelvis, Dilatation | | Pelvis, Inflammation | | Transitional Epithelium, Hyperplasia | 2 | |__________________________________________________________________________| Ureter | | Inflammation | | __________________________________________|__________________________________________________________________________| Page 14 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 6| 4| 6| 7| 7| 7| 7| 6| 7| 5| 7| 7| 6| 6| 6| 3| 5| 4| 1| 6| 7| 7| 7| 7| DAY ON TEST | 3| 4| 6| 9| 3| 3| 3| 3| 3| 3| 1| 1| 0| 1| 4| 6| 6| 4| 7| 6| 4| 3| 3| 3| 3| | 2| 7| 9| 7| 2| 3| 3| 3| 1| 1| 2| 7| 1| 0| 6| 8| 6| 8| 4| 9| 6| 2| 2| 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| SPRAGUE-DAWLEY 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0 NG/KG | 4| 4| 4| 4| 4| 4| 4| 4| 6| 6| 6| 6| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| | 0| 1| 2| 3| 4| 7| 8| 9| 1| 2| 3| 4| 1| 3| 5| 1| 2| 3| 4| 6| 7| 8| 1| 2| 3| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Transitional Epithelium, Hyperplasia | | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + M + + + + + + + + + + +| Inflammation | 1 1 1 | Transitional Epithelium, Hyperplasia | | __________________________________________|__________________________________________________________________________ Page 15 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 7| | | DAY ON TEST | 3| 3| 3| | | | 3| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| | A | 0 NG/KG | 9| 9| 9| | L | | 6| 7| 8| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + | 52 | Muscularis, Inflammation | | 1 2.0| |__________________________________________________________________________|____________| Intestine Large, Colon | + + + | 52 | Parasite Metazoan | | 1 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + | 52 | Parasite Metazoan | | 6 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + | 51 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + | 53 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + | 51 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + | 51 | |__________________________________________________________________________|____________| Liver | + + + | 53 | Angiectasis | 2 | 2 1.5| Basophilic Focus | | 8 | Basophilic Focus, Multiple | | 4 | Cholangiofibrosis | | 1 1.0| Clear Cell Focus | | 4 | Clear Cell Focus, Multiple | | 1 | Congestion | | 2 1.0| Eosinophilic Focus | | 8 | Eosinophilic Focus, Multiple | | 3 | Fatty Change, Focal | | 2 1.5| Hematopoietic Cell Proliferation | | 1 2.0| Inflammation | 1 1 | 33 1.1| Mixed Cell Focus | | 4 | Mixed Cell Focus, Multiple | X X | 26 | Necrosis | | 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 16 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 7| | | DAY ON TEST | 3| 3| 3| | | | 3| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| | A | 0 NG/KG | 9| 9| 9| | L | | 6| 7| 8| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Pigmentation | | 4 1.0| Bile Duct, Cyst | | 3 3.3| Bile Duct, Hyperplasia | | 5 1.6| Centrilobular, Degeneration | | 2 2.5| |__________________________________________________________________________|____________| Mesentery | | 2 | Metaplasia, Osseous | | 1 2.0| Vein, Thrombosis | | 1 3.0| |__________________________________________________________________________|____________| Oral Mucosa | | 2 | Gingival, Hyperplasia, Squamous | | 1 4.0| |__________________________________________________________________________|____________| Pancreas | + + + | 51 | Acinus, Atrophy | | 1 1.0| Acinus, Hyperplasia | | 2 2.5| Acinus, Vacuolization Cytoplasmic | | 1 2.0| |__________________________________________________________________________|____________| Salivary Glands | + + + | 51 | Mineralization | | 1 3.0| |__________________________________________________________________________|____________| Stomach, Forestomach | + + + | 53 | Hyperkeratosis | | 1 1.0| Hyperplasia, Squamous | | 3 1.3| Inflammation | | 1 3.0| Ulcer | | 2 2.5| |__________________________________________________________________________|____________| Stomach, Glandular | + + + | 53 | Erosion | | 1 3.0| Mineralization | | 3 1.3| |__________________________________________________________________________|____________| Tooth | | 16 | Peridontal Tissue, Fibrosis | | 1 2.0| Peridontal Tissue, Inflammation | | 15 1.7| _____________________________________________________________________________________________________________________| | * : 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 17 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 7| | | DAY ON TEST | 3| 3| 3| | | | 3| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| | A | 0 NG/KG | 9| 9| 9| | L | | 6| 7| 8| | | _____________________________________________________________________________________________________________________|____________| CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + | 53 | Aorta, Mineralization | | 1 3.0| |__________________________________________________________________________|____________| Heart | + + + | 53 | Cardiomyopathy | | 10 1.2| Mineralization | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + | 53 | Angiectasis | 2 | 11 1.5| Atrophy | 3 | 2 2.5| Degeneration, Cystic | 3 | 11 2.5| Hyperplasia | 2 2 | 16 2.0| Hypertrophy | 2 1 4 | 41 2.1| Inflammation, Chronic Active | | 1 2.0| Inflammation, Suppurative | | 1 1.0| Vacuolization Cytoplasmic | 3 1 1 | 11 1.4| |__________________________________________________________________________|____________| Adrenal Medulla | + + + | 53 | Hyperplasia | | 19 1.8| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + | 51 | |__________________________________________________________________________|____________| Parathyroid Gland | + M + | 46 | Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Pituitary Gland | + + + | 53 | Angiectasis | 1 3 3 | 25 2.3| Atypia Cellular | | 1 2.0| Cyst | | 1 2.0| Cytoplasmic Alteration | | 1 1.0| Developmental Malformation | | 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 18 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 7| | | DAY ON TEST | 3| 3| 3| | | | 3| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| | A | 0 NG/KG | 9| 9| 9| | L | | 6| 7| 8| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | Pars Distalis, Hyperplasia | | 19 2.1| Pars Intermedia, Hyperplasia | | 2 2.5| |__________________________________________________________________________|____________| Thyroid Gland | + + + | 52 | Cyst | | 1 3.0| C-Cell, Hyperplasia | 2 | 19 1.8| Follicular Cell, Hyperplasia | | 2 2.5| Follicular Cell, Hypertrophy | | 3 2.3| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + | 50 | Hyperplasia, Basal Cell | | 1 2.0| Inflammation | 1 1 1 | 41 1.6| Duct, Cyst | 1 2 | 34 2.2| |__________________________________________________________________________|____________| Ovary | + + + | 51 | Atrophy | 4 4 4 | 49 4.0| Cyst | | 14 2.5| |__________________________________________________________________________|____________| Oviduct | | 2 | Inflammation | | 2 3.0| |__________________________________________________________________________|____________| Uterus | + + + | 52 | Hemorrhage | | 1 2.0| Inflammation, Suppurative | | 7 1.9| Metaplasia, Squamous | 3 | 29 2.0| Endometrium, Hyperplasia, Cystic | 2 1 3 | 30 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 19 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 7| | | DAY ON TEST | 3| 3| 3| | | | 3| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| | A | 0 NG/KG | 9| 9| 9| | L | | 6| 7| 8| | | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | Bone Marrow | + + + | 53 | Hyperplasia | 2 | 36 3.0| |__________________________________________________________________________|____________| Lymph Node | | 2 | Lumbar, Ectasia | | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + | 51 | Congestion | | 1 2.0| Hyperplasia, Plasma Cell | 2 3 3 | 25 2.1| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + | 52 | Hyperplasia, Histiocytic | | 1 2.0| |__________________________________________________________________________|____________| Spleen | + + + | 51 | Hematopoietic Cell Proliferation | 1 1 1 | 46 1.5| Hyperplasia, Lymphoid | | 1 2.0| Pigmentation | 1 2 1 | 45 1.5| Lymphoid Follicle, Atrophy | | 4 2.3| |__________________________________________________________________________|____________| Thymus | + + + | 51 | Atrophy | 3 2 | 36 2.6| Hemorrhage | | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + | 53 | Cyst | | 4 2.5| Hyperplasia | 3 | 25 1.4| Inflammation, Granulomatous | | 1 2.0| |__________________________________________________________________________|____________| Skin | + + + | 53 | Cyst Epithelial Inclusion | | 1 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 20 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 7| | | DAY ON TEST | 3| 3| 3| | | | 3| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| | A | 0 NG/KG | 9| 9| 9| | L | | 6| 7| 8| | | _____________________________________________________________________________________________________________________|____________| MUSCULOSKELETAL SYSTEM - cont | | | |__________________________________________________________________________|____________| Bone | + + + | 53 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + | 53 | Cerebellum, Developmental | | | Malformation | | 1 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + | 53 | Infiltration Cellular, Histiocyte | 2 2 2 | 41 1.9| Inflammation, Granulomatous | | 2 1.0| Inflammation, Suppurative | | 1 3.0| Metaplasia, Squamous | | 1 1.0| Mineralization | | 1 2.0| Alveolar Epithelium, Hyperplasia | 1 1 | 12 1.1| Alveolar Epithelium, Metaplasia, | | | Bronchiolar | 1 | 2 1.0| |__________________________________________________________________________|____________| Nose | + + + | 53 | Inflammation | | 2 2.5| Nasolacrimal Duct, Inflammation | | 2 2.0| Squamous Epithelium, Inflammation, | | | Suppurative | | 1 1.0| |__________________________________________________________________________|____________| Trachea | + + + | 52 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Ear | | 2 | |__________________________________________________________________________|____________| Eye | + + + | 53 | _____________________________________________________________________________________________________________________|____________| * : 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: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 7| | | DAY ON TEST | 3| 3| 3| | | | 3| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 0| 0| 0| | A | 0 NG/KG | 9| 9| 9| | L | | 6| 7| 8| | | _____________________________________________________________________________________________________________________|____________| SPECIAL SENSES SYSTEM - cont | | | Degeneration | | 1 4.0| Hemorrhage | | 1 2.0| Retina, Atrophy | 1 | 5 2.0| |__________________________________________________________________________|____________| Harderian Gland | + + + | 53 | Atrophy, Focal | | 1 2.0| Inflammation | 1 | 12 1.3| |__________________________________________________________________________|____________| Zymbal's Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + | 53 | Calculus Micro Observation Only | | 1 2.0| Casts Protein | | 3 1.3| Cyst | | 2 2.5| Inflammation, Chronic Active | | 5 1.2| Mineralization | 1 1 1 | 40 1.1| Nephropathy | 1 1 1 | 34 1.2| Pelvis, Dilatation | | 2 3.0| Pelvis, Inflammation | | 2 3.0| Transitional Epithelium, Hyperplasia | | 3 2.3| |__________________________________________________________________________|____________| Ureter | | 1 | Inflammation | | 1 2.0| Transitional Epithelium, Hyperplasia | | 1 3.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + | 52 | Inflammation | 1 | 6 1.5| Transitional Epithelium, Hyperplasia | | 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 22 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 5| 5| 7| 5| 4| 7| 5| 6| 6| 7| 4| 5| 2| 4| 5| 3| 6| 3| 7| 7| 7| 7| 7| 7| 2| DAY ON TEST | 5| 4| 3| 5| 4| 3| 2| 4| 4| 3| 9| 5| 4| 4| 7| 9| 8| 4| 3| 3| 3| 3| 3| 2| 6| | 6| 8| 1| 6| 9| 3| 6| 8| 7| 2| 0| 6| 1| 8| 8| 4| 1| 1| 1| 3| 3| 1| 2| 9| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 3 NG/KG | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| | 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 0| 1| 2| 3| 4| 5| 6| 8| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| Muscularis, Inflammation | | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | | |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X | |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| Ulcer | | |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 | Basophilic Focus | X X X | Basophilic Focus, Multiple | | Cholangiofibrosis | 1 | Clear Cell Focus | X | Eosinophilic Focus | X X X X | Eosinophilic Focus, Multiple | X X X X | Fatty Change, Diffuse | 1 | Fatty Change, Focal | 2 2 | Hematopoietic Cell Proliferation | | Hepatodiaphragmatic Nodule | X | Inflammation | 1 1 2 1 1 1 1 1 1 1 1 1 2 1 1 2 1 1 1 1 1| Mixed Cell Focus | X X X X X | Mixed Cell Focus, Multiple | X X X X | Necrosis | 2 1 | Pigmentation | 1 1 1 1 | Toxic Hepatopathy | 1 1 | Bile Duct, Cyst | | __________________________________________|__________________________________________________________________________| Page 23 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 5| 5| 7| 5| 4| 7| 5| 6| 6| 7| 4| 5| 2| 4| 5| 3| 6| 3| 7| 7| 7| 7| 7| 7| 2| DAY ON TEST | 5| 4| 3| 5| 4| 3| 2| 4| 4| 3| 9| 5| 4| 4| 7| 9| 8| 4| 3| 3| 3| 3| 3| 2| 6| | 6| 8| 1| 6| 9| 3| 6| 8| 7| 2| 0| 6| 1| 8| 8| 4| 1| 1| 1| 3| 3| 1| 2| 9| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 3 NG/KG | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| | 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 0| 1| 2| 3| 4| 5| 6| 8| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Bile Duct, Fibrosis | | Bile Duct, Hyperplasia | 1 1 1 | Centrilobular, Degeneration | 2 | Hepatocyte, Hypertrophy | 2 1 1 1 1 1 1 1 1 2 | Oval Cell, Hyperplasia | 1 1 1 | |__________________________________________________________________________| Mesentery | | Artery, Inflammation, Chronic Active | | Fat, Necrosis | | |__________________________________________________________________________| Oral Mucosa | + + + + + + | Gingival, Hyperplasia, Squamous | 1 1 1 2 2 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 1 | Artery, Inflammation, Chronic Active | | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | | Hyperplasia, Squamous | 1 2 | Inflammation | 2 | Ulcer | 2 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Tooth | + + + + + + + | Peridontal Tissue, Inflammation | 1 1 1 1 1 1 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| Aorta, Mineralization | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 | Artery, Mineralization | | __________________________________________|__________________________________________________________________________| Page 24 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 5| 5| 7| 5| 4| 7| 5| 6| 6| 7| 4| 5| 2| 4| 5| 3| 6| 3| 7| 7| 7| 7| 7| 7| 2| DAY ON TEST | 5| 4| 3| 5| 4| 3| 2| 4| 4| 3| 9| 5| 4| 4| 7| 9| 8| 4| 3| 3| 3| 3| 3| 2| 6| | 6| 8| 1| 6| 9| 3| 6| 8| 7| 2| 0| 6| 1| 8| 8| 4| 1| 1| 1| 3| 3| 1| 2| 9| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 3 NG/KG | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| | 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 0| 1| 2| 3| 4| 5| 6| 8| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 2 2 2 2 2 | Degeneration, Cystic | 2 1 2 2 2 1 2 3 | Hyperplasia | 3 1 2 1 2 3 | Hypertrophy | 3 3 3 1 3 1 2 1 2 3 3 2 2 1 2 1 2 3 3 3 2 | Necrosis | | Vacuolization Cytoplasmic | 1 1 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Hyperplasia | 3 2 3 2 1 2 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + M + M + M + + + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 3 3 3 3 2 | Cyst | 3 | Vacuolization Cytoplasmic | 2 1 | Pars Distalis, Hyperplasia | 2 2 2 1 1 2 3 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | C-Cell, Hyperplasia | 3 2 3 3 3 2 1 2 3 2 | Follicular Cell, Hyperplasia | 3 | Follicular Cell, Hypertrophy | 1 1 3 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 2 2 1 2 1 1 1 2 2 1 1 2 2 1 3 2 2 2 1 1 2 | Duct, Cyst | 1 2 2 2 3 1 2 3 1 2 1 2 2 3 1 3 2 2 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 25 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 5| 5| 7| 5| 4| 7| 5| 6| 6| 7| 4| 5| 2| 4| 5| 3| 6| 3| 7| 7| 7| 7| 7| 7| 2| DAY ON TEST | 5| 4| 3| 5| 4| 3| 2| 4| 4| 3| 9| 5| 4| 4| 7| 9| 8| 4| 3| 3| 3| 3| 3| 2| 6| | 6| 8| 1| 6| 9| 3| 6| 8| 7| 2| 0| 6| 1| 8| 8| 4| 1| 1| 1| 3| 3| 1| 2| 9| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 3 NG/KG | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| | 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 0| 1| 2| 3| 4| 5| 6| 8| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4| Cyst | 2 2 3 2 2 | Corpus Luteum, Cyst | | |__________________________________________________________________________| Oviduct | + | Inflammation | 3 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 | Inflammation, Suppurative | 1 1 2 3 | Metaplasia, Squamous | 1 2 2 1 3 3 2 4 1 2 2 1 3 3 | Cervix, Hyperplasia, Stromal | 4 | Endometrium, Hyperplasia, Cystic | 1 2 3 1 2 2 2 4 2 1 2 3 2 2 1 | |__________________________________________________________________________| Vagina | | Hyperplasia, Stromal | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 4 2 4 3 4 4 3 3 4 3 3 2 4 4 2 2 4 3| |__________________________________________________________________________| Lymph Node | + + + +| Lumbar, Ectasia | 2 | Lumbar, Hyperplasia, Plasma Cell | 3 | Mediastinal, Hemorrhage | 3| Mediastinal, Hyperplasia, Lymphoid | | Renal, Ectasia | 3| Renal, Hyperplasia, Histiocytic | 2| |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 2 | Hyperplasia, Plasma Cell | 2 2 2 2 3 2 2 2 2 2 2 2 2| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 26 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 5| 5| 7| 5| 4| 7| 5| 6| 6| 7| 4| 5| 2| 4| 5| 3| 6| 3| 7| 7| 7| 7| 7| 7| 2| DAY ON TEST | 5| 4| 3| 5| 4| 3| 2| 4| 4| 3| 9| 5| 4| 4| 7| 9| 8| 4| 3| 3| 3| 3| 3| 2| 6| | 6| 8| 1| 6| 9| 3| 6| 8| 7| 2| 0| 6| 1| 8| 8| 4| 1| 1| 1| 3| 3| 1| 2| 9| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 3 NG/KG | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| | 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 0| 1| 2| 3| 4| 5| 6| 8| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 1 2 2 1 2 1 2 1 1 2 1 2 3 2 1 3 1 1 1 1 1 3| Pigmentation | 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 2 2 1 1 3 1| |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 2 4 2 3 3 2 2 4 3 2 4 2 4 3 3 4 2 3 2 4 2| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 1 3 4 | Hyperplasia | 1 1 1 1 3 2 2 1 | Inflammation, Granulomatous | 2 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Maxilla, Inflammation, Focal, | | Suppurative | 2 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hydrocephalus | | Mineralization | 2 | Glial Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Infiltration Cellular, Histiocyte | 2 2 3 2 2 2 2 2 1 3 1 1 1 1 1 2 1 1 2 2 2 1 3 | Inflammation, Granulomatous | | Pigmentation | 1 | Alveolar Epithelium, Metaplasia, | | Bronchiolar | 1 1 1 1 2 2 1 2 2 1 | __________________________________________|__________________________________________________________________________| Page 27 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 5| 5| 7| 5| 4| 7| 5| 6| 6| 7| 4| 5| 2| 4| 5| 3| 6| 3| 7| 7| 7| 7| 7| 7| 2| DAY ON TEST | 5| 4| 3| 5| 4| 3| 2| 4| 4| 3| 9| 5| 4| 4| 7| 9| 8| 4| 3| 3| 3| 3| 3| 2| 6| | 6| 8| 1| 6| 9| 3| 6| 8| 7| 2| 0| 6| 1| 8| 8| 4| 1| 1| 1| 3| 3| 1| 2| 9| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 3 NG/KG | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| | 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 0| 1| 2| 3| 4| 5| 6| 8| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Retina, Atrophy | 2 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | | Casts Protein | 1 2 1 2 | Fibrosis | 2 | Inflammation, Chronic Active | 1 | Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Nephropathy | 1 1 1 1 1 1 1 1 1 1 1 | Pelvis, Dilatation | 2 | Pelvis, Inflammation | 2 | Transitional Epithelium, Hyperplasia | 2 3 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | X | Hemorrhage | 3 | Inflammation | 1 2 1 1 1 2 1 | Transitional Epithelium, Hyperplasia | 3 1 | __________________________________________|__________________________________________________________________________ Page 28 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 4| 7| 7| 7| 7| 2| 3| 7| 7| 7| 7| 5| 4| 7| 7| 5| 6| 2| 6| 7| 7| 6| 5| 4| 6| DAY ON TEST | 9| 3| 3| 3| 3| 6| 6| 3| 3| 3| 3| 5| 8| 3| 1| 5| 1| 0| 2| 3| 3| 0| 7| 6| 0| | 2| 3| 1| 3| 1| 4| 1| 3| 3| 1| 2| 7| 5| 1| 8| 7| 3| 0| 0| 1| 1| 7| 8| 2| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 3 NG/KG | 2| 3| 3| 3| 3| 4| 4| 4| 4| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| | 9| 0| 1| 3| 4| 1| 2| 4| 5| 1| 3| 4| 5| 1| 2| 3| 4| 5| 8| 0| 6| 7| 9| 1| 2| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| Muscularis, Inflammation | 3 2 | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X X | |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X X X | |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| Ulcer | 3 | |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | X X X| Basophilic Focus, Multiple | X X | Cholangiofibrosis | | Clear Cell Focus | | Eosinophilic Focus | X X | Eosinophilic Focus, Multiple | X X X X | Fatty Change, Diffuse | 1 | Fatty Change, Focal | 1 2 | Hematopoietic Cell Proliferation | 1 | Hepatodiaphragmatic Nodule | X | Inflammation | 1 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1| Mixed Cell Focus | X X | Mixed Cell Focus, Multiple | X X X X X X | Necrosis | 3 | Pigmentation | 2 1 1 | Toxic Hepatopathy | | Bile Duct, Cyst | 3 | __________________________________________|__________________________________________________________________________| Page 29 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 4| 7| 7| 7| 7| 2| 3| 7| 7| 7| 7| 5| 4| 7| 7| 5| 6| 2| 6| 7| 7| 6| 5| 4| 6| DAY ON TEST | 9| 3| 3| 3| 3| 6| 6| 3| 3| 3| 3| 5| 8| 3| 1| 5| 1| 0| 2| 3| 3| 0| 7| 6| 0| | 2| 3| 1| 3| 1| 4| 1| 3| 3| 1| 2| 7| 5| 1| 8| 7| 3| 0| 0| 1| 1| 7| 8| 2| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 3 NG/KG | 2| 3| 3| 3| 3| 4| 4| 4| 4| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| | 9| 0| 1| 3| 4| 1| 2| 4| 5| 1| 3| 4| 5| 1| 2| 3| 4| 5| 8| 0| 6| 7| 9| 1| 2| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Bile Duct, Fibrosis | 2 2 | Bile Duct, Hyperplasia | 3 | Centrilobular, Degeneration | 2 | Hepatocyte, Hypertrophy | 1 2 1 1 1 1 1 1| Oval Cell, Hyperplasia | 1 | |__________________________________________________________________________| Mesentery | + + | Artery, Inflammation, Chronic Active | 3 | Fat, Necrosis | 3 | |__________________________________________________________________________| Oral Mucosa | + + + | Gingival, Hyperplasia, Squamous | 2 1 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | | Artery, Inflammation, Chronic Active | 3 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | 1 | Hyperplasia, Squamous | 1 2 | Inflammation | | Ulcer | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Tooth | + + + + + + + + + | Peridontal Tissue, Inflammation | 1 1 1 1 1 1 2 1 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| Aorta, Mineralization | 2 | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 1 | Artery, Mineralization | 2 | __________________________________________|__________________________________________________________________________| Page 30 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 4| 7| 7| 7| 7| 2| 3| 7| 7| 7| 7| 5| 4| 7| 7| 5| 6| 2| 6| 7| 7| 6| 5| 4| 6| DAY ON TEST | 9| 3| 3| 3| 3| 6| 6| 3| 3| 3| 3| 5| 8| 3| 1| 5| 1| 0| 2| 3| 3| 0| 7| 6| 0| | 2| 3| 1| 3| 1| 4| 1| 3| 3| 1| 2| 7| 5| 1| 8| 7| 3| 0| 0| 1| 1| 7| 8| 2| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 3 NG/KG | 2| 3| 3| 3| 3| 4| 4| 4| 4| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| | 9| 0| 1| 3| 4| 1| 2| 4| 5| 1| 3| 4| 5| 1| 2| 3| 4| 5| 8| 0| 6| 7| 9| 1| 2| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 2 2 2 1 2 2 2 3 2 2 2 2 2| Degeneration, Cystic | 2 2 3 3 2 3 | Hyperplasia | 3 3 2 3 2 2 2 2 2| Hypertrophy | 1 2 1 1 1 2 2 2 1 3 1 2 2 1 2 3 2 2 2| Necrosis | 3 | Vacuolization Cytoplasmic | 1 1 1 2 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hyperplasia | 1 2 2 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + M + + + + M + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 3 3 3 2 2 3 2 3 3| Cyst | | Vacuolization Cytoplasmic | 2 | Pars Distalis, Hyperplasia | 2 1 2 1 3 3 2 3 2 3 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | C-Cell, Hyperplasia | 3 2 2 3 1 1 2 | Follicular Cell, Hyperplasia | 1 | Follicular Cell, Hypertrophy | 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + M + + + + + + + + + +| Inflammation | 1 3 1 1 2 3 2 2 2 2 1 2 1 2 3 2 | Duct, Cyst | 3 2 2 1 2 2 3 2 1 1 3 2 3 3 3 2| |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 31 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 4| 7| 7| 7| 7| 2| 3| 7| 7| 7| 7| 5| 4| 7| 7| 5| 6| 2| 6| 7| 7| 6| 5| 4| 6| DAY ON TEST | 9| 3| 3| 3| 3| 6| 6| 3| 3| 3| 3| 5| 8| 3| 1| 5| 1| 0| 2| 3| 3| 0| 7| 6| 0| | 2| 3| 1| 3| 1| 4| 1| 3| 3| 1| 2| 7| 5| 1| 8| 7| 3| 0| 0| 1| 1| 7| 8| 2| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 3 NG/KG | 2| 3| 3| 3| 3| 4| 4| 4| 4| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| | 9| 0| 1| 3| 4| 1| 2| 4| 5| 1| 3| 4| 5| 1| 2| 3| 4| 5| 8| 0| 6| 7| 9| 1| 2| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4| Cyst | 2 2 1 3 2 2 1 1 2 2 2| Corpus Luteum, Cyst | 3 | |__________________________________________________________________________| Oviduct | | Inflammation | | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 | Inflammation, Suppurative | 1 | Metaplasia, Squamous | 2 2 1 2 2 2 1 1 4 1 2 2 2 1 2 2| Cervix, Hyperplasia, Stromal | | Endometrium, Hyperplasia, Cystic | 1 2 2 3 2 3 1 1 2 3 1 1 3 1 2| |__________________________________________________________________________| Vagina | + | Hyperplasia, Stromal | 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 3 4 3 2 3 3 3 3 3 4 3 4 3 4 2 2 4 4 | |__________________________________________________________________________| Lymph Node | + + | Lumbar, Ectasia | 2 | Lumbar, Hyperplasia, Plasma Cell | 3 | Mediastinal, Hemorrhage | | Mediastinal, Hyperplasia, Lymphoid | 2 | Renal, Ectasia | | Renal, Hyperplasia, Histiocytic | | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 2 2 | Hyperplasia, Plasma Cell | 2 2 3 2 2 2 2 2 3 2 2 2 3 2| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 32 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 4| 7| 7| 7| 7| 2| 3| 7| 7| 7| 7| 5| 4| 7| 7| 5| 6| 2| 6| 7| 7| 6| 5| 4| 6| DAY ON TEST | 9| 3| 3| 3| 3| 6| 6| 3| 3| 3| 3| 5| 8| 3| 1| 5| 1| 0| 2| 3| 3| 0| 7| 6| 0| | 2| 3| 1| 3| 1| 4| 1| 3| 3| 1| 2| 7| 5| 1| 8| 7| 3| 0| 0| 1| 1| 7| 8| 2| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 3 NG/KG | 2| 3| 3| 3| 3| 4| 4| 4| 4| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| | 9| 0| 1| 3| 4| 1| 2| 4| 5| 1| 3| 4| 5| 1| 2| 3| 4| 5| 8| 0| 6| 7| 9| 1| 2| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 1 1 1 1 2 2 2 2 1 1 2 1 1 3 1 1 3 2 3 1 2 1 2 1| Pigmentation | 1 1 2 1 1 1 1 1 1 2 2 1 1 1 1 1 2 2 3 2 1 4 2| |__________________________________________________________________________| Thymus | + + + + M + + + + + + + + + + + + + + + + + + + M| Atrophy | 3 3 3 2 2 2 2 2 3 2 2 2 3 3 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hyperplasia | 1 3 2 1 1 1 3 1 1 1 1 | Inflammation, Granulomatous | | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Maxilla, Inflammation, Focal, | | Suppurative | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hydrocephalus | 2 | Mineralization | | Glial Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Infiltration Cellular, Histiocyte | 2 1 1 2 3 2 1 2 3 1 2 2 2 2 2 2 2 2 2 3 1| Inflammation, Granulomatous | | Pigmentation | | Alveolar Epithelium, Metaplasia, | | Bronchiolar | 2 1 2 2 3 1 2 1 2 | __________________________________________|__________________________________________________________________________| Page 33 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 4| 7| 7| 7| 7| 2| 3| 7| 7| 7| 7| 5| 4| 7| 7| 5| 6| 2| 6| 7| 7| 6| 5| 4| 6| DAY ON TEST | 9| 3| 3| 3| 3| 6| 6| 3| 3| 3| 3| 5| 8| 3| 1| 5| 1| 0| 2| 3| 3| 0| 7| 6| 0| | 2| 3| 1| 3| 1| 4| 1| 3| 3| 1| 2| 7| 5| 1| 8| 7| 3| 0| 0| 1| 1| 7| 8| 2| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 3 NG/KG | 2| 3| 3| 3| 3| 4| 4| 4| 4| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| | 9| 0| 1| 3| 4| 1| 2| 4| 5| 1| 3| 4| 5| 1| 2| 3| 4| 5| 8| 0| 6| 7| 9| 1| 2| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Retina, Atrophy | 2 3 2 2 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 2 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | X | Casts Protein | 1 | Fibrosis | | Inflammation, Chronic Active | | Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 1| Nephropathy | 2 1 1 1 1 1 1 1 1 1 1 1 1 | Pelvis, Dilatation | | Pelvis, Inflammation | | Transitional Epithelium, Hyperplasia | 1 2 1 1 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | | Hemorrhage | | Inflammation | 1 1 2 | Transitional Epithelium, Hyperplasia | | __________________________________________|__________________________________________________________________________ Page 34 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 6| 5| 7| 7| | | DAY ON TEST | 0| 5| 3| 3| | | | 4| 6| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| | A | 3 NG/KG | 8| 8| 9| 9| | L | | 3| 4| 7| 8| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + | 54 | Muscularis, Inflammation | | 2 2.5| |__________________________________________________________________________|____________| Intestine Large, Colon | + M + + | 53 | Parasite Metazoan | | 2 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + | 54 | Parasite Metazoan | | 4 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + M + + | 53 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + | 54 | Ulcer | | 1 3.0| |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + | 54 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + M + + | 53 | |__________________________________________________________________________|____________| Liver | + + + + | 54 | Angiectasis | | 1 1.0| Basophilic Focus | | 6 | Basophilic Focus, Multiple | X | 3 | Cholangiofibrosis | | 1 1.0| Clear Cell Focus | | 1 | Eosinophilic Focus | | 6 | Eosinophilic Focus, Multiple | | 8 | Fatty Change, Diffuse | | 2 1.0| Fatty Change, Focal | 1 1 | 6 1.5| Hematopoietic Cell Proliferation | 1 | 2 1.0| Hepatodiaphragmatic Nodule | | 2 | Inflammation | 1 1 1 1 | 46 1.2| Mixed Cell Focus | X | 8 | Mixed Cell Focus, Multiple | X | 11 | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 35 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 6| 5| 7| 7| | | DAY ON TEST | 0| 5| 3| 3| | | | 4| 6| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| | A | 3 NG/KG | 8| 8| 9| 9| | L | | 3| 4| 7| 8| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Necrosis | 3 | 4 2.3| Pigmentation | 1 2 | 9 1.2| Toxic Hepatopathy | | 2 1.0| Bile Duct, Cyst | | 1 3.0| Bile Duct, Fibrosis | | 2 2.0| Bile Duct, Hyperplasia | | 4 1.5| Centrilobular, Degeneration | | 2 2.0| Hepatocyte, Hypertrophy | 1 | 19 1.2| Oval Cell, Hyperplasia | | 4 1.0| |__________________________________________________________________________|____________| Mesentery | | 2 | Artery, Inflammation, Chronic Active | | 1 3.0| Fat, Necrosis | | 1 3.0| |__________________________________________________________________________|____________| Oral Mucosa | | 9 | Gingival, Hyperplasia, Squamous | | 7 1.4| |__________________________________________________________________________|____________| Pancreas | + + + + | 54 | Acinus, Atrophy | 2 | 2 1.5| Artery, Inflammation, Chronic Active | | 1 3.0| |__________________________________________________________________________|____________| Salivary Glands | + + + + | 54 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + | 54 | Hyperkeratosis | | 1 1.0| Hyperplasia, Squamous | | 4 1.5| Inflammation | | 1 2.0| Ulcer | | 1 2.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + | 54 | |__________________________________________________________________________|____________| Tooth | | 16 | Peridontal Tissue, Inflammation | | 16 1.2| _____________________________________________________________________________________________________________________| | * : 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: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 6| 5| 7| 7| | | DAY ON TEST | 0| 5| 3| 3| | | | 4| 6| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| | A | 3 NG/KG | 8| 8| 9| 9| | L | | 3| 4| 7| 8| | | _____________________________________________________________________________________________________________________|____________| CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + + | 54 | Aorta, Mineralization | | 1 2.0| |__________________________________________________________________________|____________| Heart | + + + + | 54 | Cardiomyopathy | 1 | 12 1.0| Artery, Mineralization | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + | 54 | Angiectasis | 1 | 21 1.9| Degeneration, Cystic | 1 | 15 2.1| Hyperplasia | 2 | 16 2.2| Hypertrophy | 1 4 2 | 43 2.0| Necrosis | | 1 3.0| Vacuolization Cytoplasmic | | 7 1.3| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + | 54 | Angiectasis | | 1 2.0| Hyperplasia | 2 | 10 2.0| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + | 54 | |__________________________________________________________________________|____________| Parathyroid Gland | M + M + | 47 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + | 54 | Angiectasis | 3 1 | 18 2.6| Cyst | | 1 3.0| Vacuolization Cytoplasmic | | 3 1.7| Pars Distalis, Hyperplasia | 2 2 | 19 2.1| |__________________________________________________________________________|____________| Thyroid Gland | + + + + | 54 | Angiectasis | | 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 37 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 6| 5| 7| 7| | | DAY ON TEST | 0| 5| 3| 3| | | | 4| 6| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| | A | 3 NG/KG | 8| 8| 9| 9| | L | | 3| 4| 7| 8| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | C-Cell, Hyperplasia | | 17 2.2| Follicular Cell, Hyperplasia | | 2 2.0| Follicular Cell, Hypertrophy | | 4 1.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + M + + | 52 | Inflammation | 2 2 1 | 40 1.7| Duct, Cyst | 3 2 2 | 37 2.1| |__________________________________________________________________________|____________| Ovary | + M + + | 53 | Atrophy | 4 4 4 | 46 4.0| Cyst | | 16 1.9| Corpus Luteum, Cyst | | 1 3.0| |__________________________________________________________________________|____________| Oviduct | | 1 | Inflammation | | 1 3.0| |__________________________________________________________________________|____________| Uterus | + M + + | 53 | Inflammation, Chronic Active | | 2 3.0| Inflammation, Suppurative | 3 | 6 1.8| Metaplasia, Squamous | 2 | 31 2.0| Cervix, Hyperplasia, Stromal | | 1 4.0| Endometrium, Hyperplasia, Cystic | 2 2 2 | 33 1.9| |__________________________________________________________________________|____________| Vagina | | 1 | Hyperplasia, Stromal | | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + | 54 | _____________________________________________________________________________________________________________________|____________| * : 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: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 6| 5| 7| 7| | | DAY ON TEST | 0| 5| 3| 3| | | | 4| 6| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| | A | 3 NG/KG | 8| 8| 9| 9| | L | | 3| 4| 7| 8| | | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | Hyperplasia | 4 3 3 | 41 3.2| |__________________________________________________________________________|____________| Lymph Node | | 6 | Lumbar, Ectasia | | 2 2.0| Lumbar, Hyperplasia, Plasma Cell | | 2 3.0| Mediastinal, Hemorrhage | | 1 3.0| Mediastinal, Hyperplasia, Lymphoid | | 1 2.0| Renal, Ectasia | | 1 3.0| Renal, Hyperplasia, Histiocytic | | 1 2.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + | 54 | Hyperplasia, Lymphoid | | 3 2.0| Hyperplasia, Plasma Cell | 2 2 2 2 | 31 2.1| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + M + + | 53 | Atrophy | | 1 3.0| |__________________________________________________________________________|____________| Spleen | + + + + | 54 | Hematopoietic Cell Proliferation | 2 2 1 | 50 1.6| Pigmentation | 2 2 1 | 49 1.4| |__________________________________________________________________________|____________| Thymus | + + + + | 52 | Atrophy | 2 3 2 3 | 41 2.7| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + | 54 | Cyst | | 3 2.7| Hyperplasia | 1 1 | 21 1.4| Inflammation, Granulomatous | | 1 2.0| |__________________________________________________________________________|____________| Skin | + + + + | 54 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 39 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 6| 5| 7| 7| | | DAY ON TEST | 0| 5| 3| 3| | | | 4| 6| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| | A | 3 NG/KG | 8| 8| 9| 9| | L | | 3| 4| 7| 8| | | _____________________________________________________________________________________________________________________|____________| MUSCULOSKELETAL SYSTEM - cont | | | |__________________________________________________________________________|____________| Bone | + + + + | 54 | Maxilla, Inflammation, Focal, | | | Suppurative | | 1 2.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + | 54 | Hydrocephalus | | 1 2.0| Mineralization | | 1 2.0| Glial Cell, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + | 54 | Hemorrhage | | 1 2.0| Infiltration Cellular, Histiocyte | 2 2 | 46 1.8| Inflammation, Granulomatous | 2 | 1 2.0| Pigmentation | | 1 1.0| Alveolar Epithelium, Metaplasia, | | | Bronchiolar | | 19 1.6| |__________________________________________________________________________|____________| Nose | + + + + | 54 | |__________________________________________________________________________|____________| Trachea | + + + + | 54 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + + | 54 | Retina, Atrophy | | 5 2.2| |__________________________________________________________________________|____________| Harderian Gland | + + + + | 54 | Inflammation | | 3 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 40 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 6| 5| 7| 7| | | DAY ON TEST | 0| 5| 3| 3| | | | 4| 6| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| | A | 3 NG/KG | 8| 8| 9| 9| | L | | 3| 4| 7| 8| | | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + | 54 | Calculus Micro Observation Only | | 1 | Casts Protein | | 5 1.4| Fibrosis | | 1 2.0| Inflammation, Chronic Active | | 1 1.0| Mineralization | 1 1 1 | 39 1.1| Nephropathy | 2 1 | 26 1.1| Pelvis, Dilatation | | 1 2.0| Pelvis, Inflammation | | 1 2.0| Transitional Epithelium, Hyperplasia | | 6 1.7| |__________________________________________________________________________|____________| Urinary Bladder | + M + + | 53 | Calculus Micro Observation Only | | 1 | Hemorrhage | | 1 3.0| Inflammation | | 10 1.3| Transitional Epithelium, Hyperplasia | | 2 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 41 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 5| 7| 7| 6| 0| 6| 7| 7| 7| 7| 6| 7| 1| 7| 7| 6| 4| 5| 6| 7| 7| 3| 7| 6| 5| DAY ON TEST | 7| 3| 3| 4| 4| 5| 3| 3| 3| 3| 7| 2| 7| 3| 3| 1| 2| 5| 9| 3| 3| 4| 2| 1| 7| | 8| 3| 1| 5| 7| 0| 3| 1| 3| 1| 6| 8| 7| 1| 2| 4| 9| 0| 7| 2| 1| 4| 0| 3| 8| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 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 NG/KG | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 4| 4| 4| | 1| 2| 3| 4| 5| 1| 2| 3| 5| 6| 7| 8| 0| 1| 2| 3| 4| 5| 1| 3| 4| 5| 1| 2| 4| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Perforation | X | Muscularis, Inflammation | | Periesophageal Tissue, Inflammation | 2 | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | | |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| Epithelium, Hyperplasia | | |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 | Basophilic Focus | X X X X | Basophilic Focus, Multiple | X X X X | Cholangiofibrosis | 2 | Clear Cell Focus | | Eosinophilic Focus | X X X X X X | Eosinophilic Focus, Multiple | X X X X X X X X| Fatty Change, Diffuse | 1 1 1 1 1 | Fatty Change, Focal | 1 3 | Hematopoietic Cell Proliferation | 1 | Inflammation | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Mixed Cell Focus | X X X X X| Mixed Cell Focus, Multiple | X X X X X X X X X X | Necrosis | 2 1 3 | Pigmentation | 1 1 2 2 1 1 1 1 1 1 1 1 2 2 3 2 1 1| Toxic Hepatopathy | 1 1 1 1 1 2 | __________________________________________|__________________________________________________________________________| Page 42 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 5| 7| 7| 6| 0| 6| 7| 7| 7| 7| 6| 7| 1| 7| 7| 6| 4| 5| 6| 7| 7| 3| 7| 6| 5| DAY ON TEST | 7| 3| 3| 4| 4| 5| 3| 3| 3| 3| 7| 2| 7| 3| 3| 1| 2| 5| 9| 3| 3| 4| 2| 1| 7| | 8| 3| 1| 5| 7| 0| 3| 1| 3| 1| 6| 8| 7| 1| 2| 4| 9| 0| 7| 2| 1| 4| 0| 3| 8| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 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 NG/KG | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 4| 4| 4| | 1| 2| 3| 4| 5| 1| 2| 3| 5| 6| 7| 8| 0| 1| 2| 3| 4| 5| 1| 3| 4| 5| 1| 2| 4| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Bile Duct, Cyst | 2 | Bile Duct, Hyperplasia | 1 1 1 | Hepatocyte, Hypertrophy | 1 1 1 2 1 1 1 1 1 1| Hepatocyte, Multinucleated | 1 1 2 1 2 1 1 1| Oval Cell, Hyperplasia | 1 1 | |__________________________________________________________________________| Oral Mucosa | + + + + + + + + +| Gingival, Hyperplasia, Squamous | 1 2 2 1 2 1 2 1| |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + A + + +| Inflammation, Chronic Active | | Acinus, Atrophy | | Artery, Inflammation, Chronic Active | 2 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + M + + + + + + + + + + + + + +| Inflammation | | |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst, Squamous | | Erosion | | Hyperkeratosis | | Hyperplasia, Squamous | 2 | Inflammation | | Mineralization | 2 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | | |__________________________________________________________________________| Tooth | + + + + + + +| Peridontal Tissue, Inflammation | 1 1 1 1 1 1 1| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| Thrombosis | 4 | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 1 1 1 1 1 | __________________________________________|__________________________________________________________________________| Page 43 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 5| 7| 7| 6| 0| 6| 7| 7| 7| 7| 6| 7| 1| 7| 7| 6| 4| 5| 6| 7| 7| 3| 7| 6| 5| DAY ON TEST | 7| 3| 3| 4| 4| 5| 3| 3| 3| 3| 7| 2| 7| 3| 3| 1| 2| 5| 9| 3| 3| 4| 2| 1| 7| | 8| 3| 1| 5| 7| 0| 3| 1| 3| 1| 6| 8| 7| 1| 2| 4| 9| 0| 7| 2| 1| 4| 0| 3| 8| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 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 NG/KG | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 4| 4| 4| | 1| 2| 3| 4| 5| 1| 2| 3| 5| 6| 7| 8| 0| 1| 2| 3| 4| 5| 1| 3| 4| 5| 1| 2| 4| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 1 1 2 2 2 2 | Atrophy | 1 | Degeneration, Cystic | 3 3 3 1 1 2 3 3 2 | Hyperplasia | 2 2 3 3 2 3 3 2 2 2 2 2 | Hypertrophy | 2 2 3 3 2 2 3 2 2 2 3 1 2 2 3 2 2 2 2 2 1| Necrosis | 1 2 | Vacuolization Cytoplasmic | 1 1 1 3 2 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Hyperplasia | 1 2 1 2 2 2 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 4 | |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + M M M + + M + + + +| Fibrosis | | |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 2 3 3 2 3 3 2 1 2 3 1 1 | Cytoplasmic Alteration | | Vacuolization Cytoplasmic | | Pars Distalis, Hyperplasia | 1 3 2 2 3 3 1 2| |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 | Inflammation, Chronic Active | | Inflammation, Suppurative | | C-Cell, Hyperplasia | 3 1 2 2 2 3 2 2 2 3 2 | Follicular Cell, Hypertrophy | 3 2 2| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 44 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 5| 7| 7| 6| 0| 6| 7| 7| 7| 7| 6| 7| 1| 7| 7| 6| 4| 5| 6| 7| 7| 3| 7| 6| 5| DAY ON TEST | 7| 3| 3| 4| 4| 5| 3| 3| 3| 3| 7| 2| 7| 3| 3| 1| 2| 5| 9| 3| 3| 4| 2| 1| 7| | 8| 3| 1| 5| 7| 0| 3| 1| 3| 1| 6| 8| 7| 1| 2| 4| 9| 0| 7| 2| 1| 4| 0| 3| 8| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 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 NG/KG | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 4| 4| 4| | 1| 2| 3| 4| 5| 1| 2| 3| 5| 6| 7| 8| 0| 1| 2| 3| 4| 5| 1| 3| 4| 5| 1| 2| 4| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Basal Cell | | Inflammation | 1 2 2 2 1 1 1 1 1 3 2 1 3 1 1 2 1| Duct, Cyst | 2 2 3 2 2 3 1 1 2 2 2 1 3 1 3 2 | |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 4 4 4 4 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4| Cyst | 3 2 2 2 3 | Fibrosis | | |__________________________________________________________________________| Oviduct | + | Inflammation | 2 | Epithelium, Hyperplasia | | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2| Inflammation, Suppurative | 3 4 2 4 1 4 3 | Metaplasia, Squamous | 4 2 2 2 2 2 3 1 2 3 3 4 3 2 1 4| Ulcer | | Cervix, Hyperplasia, Stromal | 4 | Endometrium, Adenomyosis | | Endometrium, Hyperplasia, Cystic | 2 1 2 2 2 3 2 2 3 3 2 1 4| Serosa, Inflammation, Chronic Active | | |__________________________________________________________________________| Vagina | | Cyst | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 4 3 2 4 3 2 3 3 3 4 3 4 2 3 3 4 4| |__________________________________________________________________________| Lymph Node | + + | Lumbar, Ectasia | 3 | Mediastinal, Hyperplasia, Histiocytic| 2 | Mediastinal, Pigmentation | 2 | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + M + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 45 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 5| 7| 7| 6| 0| 6| 7| 7| 7| 7| 6| 7| 1| 7| 7| 6| 4| 5| 6| 7| 7| 3| 7| 6| 5| DAY ON TEST | 7| 3| 3| 4| 4| 5| 3| 3| 3| 3| 7| 2| 7| 3| 3| 1| 2| 5| 9| 3| 3| 4| 2| 1| 7| | 8| 3| 1| 5| 7| 0| 3| 1| 3| 1| 6| 8| 7| 1| 2| 4| 9| 0| 7| 2| 1| 4| 0| 3| 8| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 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 NG/KG | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 4| 4| 4| | 1| 2| 3| 4| 5| 1| 2| 3| 5| 6| 7| 8| 0| 1| 2| 3| 4| 5| 1| 3| 4| 5| 1| 2| 4| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Hyperplasia, Lymphoid | 2 | Hyperplasia, Plasma Cell | 3 2 2 2 2 2 3 3 2 2 2 | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 1 1 1 2 1 1 1 1 1 1 3 1 1 1 2 1 1 2 2 1| Necrosis | | Pigmentation | 1 1 1 1 2 2 2 1 1 2 2 1 2 2 2 2 1 1 2 2 1 1 1 1 1| Lymphoid Follicle, Atrophy | 2 | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 4 3 3 2 2 3 2 3 2 3 3 3 3 4 4 3 4 3 3| Hemorrhage | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 1 1 2 1 3 2 2 1 1 | Inflammation, Granulomatous | 2 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Hyperplasia, Squamous | | Inflammation, Chronic Active | | Necrosis | | Ulcer | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | __________________________________________|__________________________________________________________________________| Page 46 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 5| 7| 7| 6| 0| 6| 7| 7| 7| 7| 6| 7| 1| 7| 7| 6| 4| 5| 6| 7| 7| 3| 7| 6| 5| DAY ON TEST | 7| 3| 3| 4| 4| 5| 3| 3| 3| 3| 7| 2| 7| 3| 3| 1| 2| 5| 9| 3| 3| 4| 2| 1| 7| | 8| 3| 1| 5| 7| 0| 3| 1| 3| 1| 6| 8| 7| 1| 2| 4| 9| 0| 7| 2| 1| 4| 0| 3| 8| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 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 NG/KG | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 4| 4| 4| | 1| 2| 3| 4| 5| 1| 2| 3| 5| 6| 7| 8| 0| 1| 2| 3| 4| 5| 1| 3| 4| 5| 1| 2| 4| __________________________________________|__________________________________________________________________________| NERVOUS SYSTEM - cont | | Hydrocephalus | | Mineralization | | Vacuolization Cytoplasmic, Focal | | Cerebellum, Necrosis | | |__________________________________________________________________________| Peripheral Nerve | + | |__________________________________________________________________________| Spinal Cord | + | Gliosis | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 2 | Edema | 2 2 | Infiltration Cellular, Histiocyte | 1 2 2 2 2 1 1 2 3 1 3 1 2 2 1 1 1 2| Inflammation, Granulomatous | 3 | Alveolar Epithelium, Metaplasia, | | Bronchiolar | 1 2 1 2 1 1 1 2 2 1 1 2| Bronchiole, Dilatation | 2 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Turbinate, Septum, Inflammation | 2 | Turbinate, Respiratory Epithelium, | | Hyperplasia | 2 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | + | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Cornea, Inflammation, Suppurative | | Retina, Atrophy | 2 2 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | | __________________________________________|__________________________________________________________________________| Page 47 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 5| 7| 7| 6| 0| 6| 7| 7| 7| 7| 6| 7| 1| 7| 7| 6| 4| 5| 6| 7| 7| 3| 7| 6| 5| DAY ON TEST | 7| 3| 3| 4| 4| 5| 3| 3| 3| 3| 7| 2| 7| 3| 3| 1| 2| 5| 9| 3| 3| 4| 2| 1| 7| | 8| 3| 1| 5| 7| 0| 3| 1| 3| 1| 6| 8| 7| 1| 2| 4| 9| 0| 7| 2| 1| 4| 0| 3| 8| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 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 NG/KG | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 4| 4| 4| | 1| 2| 3| 4| 5| 1| 2| 3| 5| 6| 7| 8| 0| 1| 2| 3| 4| 5| 1| 3| 4| 5| 1| 2| 4| __________________________________________|__________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | | Casts Protein | | Infarct | 3 | Inflammation, Suppurative | | Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Nephropathy | 1 1 2 1 1 1 1 1 1 1 1 3 1 | Papilla, Necrosis | | Pelvis, Dilatation | 3 | Pelvis, Inflammation | 2 | Transitional Epithelium, Hyperplasia | 2 2 2 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 3 1 | Transitional Epithelium, Hyperplasia | 2 | __________________________________________|__________________________________________________________________________ Page 48 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 0| 7| 6| 7| 7| 6| 5| 7| 7| 6| 7| 7| 3| 5| 7| 2| 7| 7| 7| DAY ON TEST | 3| 7| 3| 3| 3| 3| 5| 1| 2| 3| 3| 0| 7| 3| 3| 5| 3| 3| 4| 7| 3| 4| 2| 3| 1| | 1| 8| 2| 1| 2| 2| 4| 8| 6| 2| 2| 4| 8| 1| 1| 9| 1| 2| 8| 8| 3| 0| 4| 3| 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| SPRAGUE-DAWLEY 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 | 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 NG/KG | 4| 4| 4| 4| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 5| 6| 7| 9| 6| 7| 8| 9| 0| 1| 2| 3| 4| 6| 8| 0| 2| 3| 4| 2| 4| 6| 7| 8| 9| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 4 | Perforation | X | Muscularis, Inflammation | 2 | Periesophageal Tissue, Inflammation | 3 | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X | |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| Epithelium, Hyperplasia | 1 | |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | X X X X | Basophilic Focus, Multiple | X | Cholangiofibrosis | 1 | Clear Cell Focus | X | Eosinophilic Focus | X | Eosinophilic Focus, Multiple | X X X X X| Fatty Change, Diffuse | 1 2 1 1 1 1 | Fatty Change, Focal | 1 1| Hematopoietic Cell Proliferation | 1 | Inflammation | 1 1 2 1 1 1 1 2 1 1 1 1 1 1 2 1 1 1 1 1 1 | Mixed Cell Focus | X X X| Mixed Cell Focus, Multiple | X X X X X X X X X X X | Necrosis | 2 | Pigmentation | 2 2 1 1 2 2 1 1 1 1 2 1 1 2 | Toxic Hepatopathy | 1 2 | __________________________________________|__________________________________________________________________________| Page 49 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 0| 7| 6| 7| 7| 6| 5| 7| 7| 6| 7| 7| 3| 5| 7| 2| 7| 7| 7| DAY ON TEST | 3| 7| 3| 3| 3| 3| 5| 1| 2| 3| 3| 0| 7| 3| 3| 5| 3| 3| 4| 7| 3| 4| 2| 3| 1| | 1| 8| 2| 1| 2| 2| 4| 8| 6| 2| 2| 4| 8| 1| 1| 9| 1| 2| 8| 8| 3| 0| 4| 3| 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| SPRAGUE-DAWLEY 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 | 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 NG/KG | 4| 4| 4| 4| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 5| 6| 7| 9| 6| 7| 8| 9| 0| 1| 2| 3| 4| 6| 8| 0| 2| 3| 4| 2| 4| 6| 7| 8| 9| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Bile Duct, Cyst | 2 | Bile Duct, Hyperplasia | 2 1 1 1 | Hepatocyte, Hypertrophy | 2 2 1 1 1 1 2 1| Hepatocyte, Multinucleated | 1 1 1 2 1 1 | Oval Cell, Hyperplasia | 2 | |__________________________________________________________________________| Oral Mucosa | + + + + + + | Gingival, Hyperplasia, Squamous | 2 2 1 3 1 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 1 2 | Acinus, Atrophy | 1 2 2 | Artery, Inflammation, Chronic Active | | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 3 1 | |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst, Squamous | 2 | Erosion | 2 | Hyperkeratosis | 1 | Hyperplasia, Squamous | 1 1 3| Inflammation | 1 2| Mineralization | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | X | |__________________________________________________________________________| Tooth | + + + + | Peridontal Tissue, Inflammation | 1 1 3 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| Thrombosis | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 1 1 1 1| __________________________________________|__________________________________________________________________________| Page 50 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 0| 7| 6| 7| 7| 6| 5| 7| 7| 6| 7| 7| 3| 5| 7| 2| 7| 7| 7| DAY ON TEST | 3| 7| 3| 3| 3| 3| 5| 1| 2| 3| 3| 0| 7| 3| 3| 5| 3| 3| 4| 7| 3| 4| 2| 3| 1| | 1| 8| 2| 1| 2| 2| 4| 8| 6| 2| 2| 4| 8| 1| 1| 9| 1| 2| 8| 8| 3| 0| 4| 3| 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| SPRAGUE-DAWLEY 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 | 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 NG/KG | 4| 4| 4| 4| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 5| 6| 7| 9| 6| 7| 8| 9| 0| 1| 2| 3| 4| 6| 8| 0| 2| 3| 4| 2| 4| 6| 7| 8| 9| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 1 1 2 1 2 2 1 1| Atrophy | 2 1 2 | Degeneration, Cystic | 1 1 2 3 2 2 2 1 2 2 3 3| Hyperplasia | 2 2 3 2 3 3 | Hypertrophy | 2 1 2 1 1 2 3 2 1 2 3 4 2 2 2 3 1 1 1 2 3 4| Necrosis | | Vacuolization Cytoplasmic | 1 1 1 1| |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Hyperplasia | 1 2 3 2 2 2 2 1 3 2 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | |__________________________________________________________________________| Parathyroid Gland | + + + + + M + + + + + + + + + + M + + + + + + + +| Fibrosis | 3 | |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 3 2 3 2 1 3 3 2 2 3| Cytoplasmic Alteration | 1 | Vacuolization Cytoplasmic | 2 | Pars Distalis, Hyperplasia | 3 2 3 3 1 2 3 2 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Inflammation, Chronic Active | 2 | Inflammation, Suppurative | | C-Cell, Hyperplasia | 3 2 1 2 3 1 2 2 2 3 | Follicular Cell, Hypertrophy | 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 51 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 0| 7| 6| 7| 7| 6| 5| 7| 7| 6| 7| 7| 3| 5| 7| 2| 7| 7| 7| DAY ON TEST | 3| 7| 3| 3| 3| 3| 5| 1| 2| 3| 3| 0| 7| 3| 3| 5| 3| 3| 4| 7| 3| 4| 2| 3| 1| | 1| 8| 2| 1| 2| 2| 4| 8| 6| 2| 2| 4| 8| 1| 1| 9| 1| 2| 8| 8| 3| 0| 4| 3| 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| SPRAGUE-DAWLEY 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 | 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 NG/KG | 4| 4| 4| 4| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 5| 6| 7| 9| 6| 7| 8| 9| 0| 1| 2| 3| 4| 6| 8| 0| 2| 3| 4| 2| 4| 6| 7| 8| 9| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Basal Cell | 2 | Inflammation | 1 2 3 3 1 1 2 3 1 3 2 2 1 1 1| Duct, Cyst | 3 3 4 3 3 2 1 3 1 3 2 1 3 2 3 3 2 2 2 2 1 2| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4| Cyst | 3 2 3 2 3 2 2 | Fibrosis | 3 | |__________________________________________________________________________| Oviduct | + | Inflammation | | Epithelium, Hyperplasia | 2 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 3 3 | Inflammation, Suppurative | 1 2 1 2 2 | Metaplasia, Squamous | 1 3 3 2 4 1 3 3 3 2 3 | Ulcer | 2 | Cervix, Hyperplasia, Stromal | | Endometrium, Adenomyosis | 3 | Endometrium, Hyperplasia, Cystic | 1 1 3 3 3 1 2 1 3 1 2 2 2 1 2 2 4 2 3 1| Serosa, Inflammation, Chronic Active | 3 | |__________________________________________________________________________| Vagina | + | Cyst | 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 4 3 4 3 4 3 3 2 3 3 3| |__________________________________________________________________________| Lymph Node | + | Lumbar, Ectasia | | Mediastinal, Hyperplasia, Histiocytic| | Mediastinal, Pigmentation | | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 52 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 0| 7| 6| 7| 7| 6| 5| 7| 7| 6| 7| 7| 3| 5| 7| 2| 7| 7| 7| DAY ON TEST | 3| 7| 3| 3| 3| 3| 5| 1| 2| 3| 3| 0| 7| 3| 3| 5| 3| 3| 4| 7| 3| 4| 2| 3| 1| | 1| 8| 2| 1| 2| 2| 4| 8| 6| 2| 2| 4| 8| 1| 1| 9| 1| 2| 8| 8| 3| 0| 4| 3| 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| SPRAGUE-DAWLEY 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 | 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 NG/KG | 4| 4| 4| 4| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 5| 6| 7| 9| 6| 7| 8| 9| 0| 1| 2| 3| 4| 6| 8| 0| 2| 3| 4| 2| 4| 6| 7| 8| 9| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Hyperplasia, Lymphoid | 2 | Hyperplasia, Plasma Cell | 4 2 2 3 3 2 2 2 3 2| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 1 2 1 1 2 1 1 2 2 1 1 1 1 1 2 1 1| Necrosis | 3 | Pigmentation | 1 2 1 1 1 2 1 2 1 2 1 2 1 2 2 2 2 1 2 1 1 1| Lymphoid Follicle, Atrophy | | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + M| Atrophy | 4 4 4 4 3 4 3 3 3 4 2 3 3 3 4 2 2 2 2 4 3 | Hemorrhage | 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 2 2 1 1 1 2 1 2 2 1 1| Inflammation, Granulomatous | | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Hyperplasia, Squamous | 2 | Inflammation, Chronic Active | 3 3 | Necrosis | 3 | Ulcer | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 | __________________________________________|__________________________________________________________________________| Page 53 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 0| 7| 6| 7| 7| 6| 5| 7| 7| 6| 7| 7| 3| 5| 7| 2| 7| 7| 7| DAY ON TEST | 3| 7| 3| 3| 3| 3| 5| 1| 2| 3| 3| 0| 7| 3| 3| 5| 3| 3| 4| 7| 3| 4| 2| 3| 1| | 1| 8| 2| 1| 2| 2| 4| 8| 6| 2| 2| 4| 8| 1| 1| 9| 1| 2| 8| 8| 3| 0| 4| 3| 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| SPRAGUE-DAWLEY 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 | 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 NG/KG | 4| 4| 4| 4| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 5| 6| 7| 9| 6| 7| 8| 9| 0| 1| 2| 3| 4| 6| 8| 0| 2| 3| 4| 2| 4| 6| 7| 8| 9| __________________________________________|__________________________________________________________________________| NERVOUS SYSTEM - cont | | Hydrocephalus | | Mineralization | 2 | Vacuolization Cytoplasmic, Focal | | Cerebellum, Necrosis | 3 | |__________________________________________________________________________| Peripheral Nerve | | |__________________________________________________________________________| Spinal Cord | | Gliosis | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 3 | Edema | | Infiltration Cellular, Histiocyte | 1 1 1 2 2 2 1 2 2 2 1 2 2 2 3 2 2 2 2 3 2 2 3| Inflammation, Granulomatous | 2 | Alveolar Epithelium, Metaplasia, | | Bronchiolar | 1 1 2 2 2 1 1 2 1 1 2 2 2 1 1 3 1 2 2| Bronchiole, Dilatation | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Turbinate, Septum, Inflammation | | Turbinate, Respiratory Epithelium, | | Hyperplasia | | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | + | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Cornea, Inflammation, Suppurative | 1 | Retina, Atrophy | 2 3 2 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 2 1 | __________________________________________|__________________________________________________________________________| Page 54 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 0| 7| 6| 7| 7| 6| 5| 7| 7| 6| 7| 7| 3| 5| 7| 2| 7| 7| 7| DAY ON TEST | 3| 7| 3| 3| 3| 3| 5| 1| 2| 3| 3| 0| 7| 3| 3| 5| 3| 3| 4| 7| 3| 4| 2| 3| 1| | 1| 8| 2| 1| 2| 2| 4| 8| 6| 2| 2| 4| 8| 1| 1| 9| 1| 2| 8| 8| 3| 0| 4| 3| 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| SPRAGUE-DAWLEY 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 | 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 NG/KG | 4| 4| 4| 4| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 5| 6| 7| 9| 6| 7| 8| 9| 0| 1| 2| 3| 4| 6| 8| 0| 2| 3| 4| 2| 4| 6| 7| 8| 9| __________________________________________|__________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | X | Casts Protein | 1 1 | Infarct | | Inflammation, Suppurative | 3 1 | Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1| Nephropathy | 1 1 2 1 1 1 1 1 1 3 1 1 1 1 2 2 1 | Papilla, Necrosis | 3 | Pelvis, Dilatation | | Pelvis, Inflammation | | Transitional Epithelium, Hyperplasia | 2 1 2 2 1 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 1 | Transitional Epithelium, Hyperplasia | | __________________________________________|__________________________________________________________________________ Page 55 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 2| 6| 6| | | DAY ON TEST | 3| 3| 5| | | | 6| 5| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| | A | 10 NG/KG | 9| 9| 9| | L | | 0| 6| 7| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + | 53 | Hemorrhage | | 1 4.0| Perforation | | 2 | Muscularis, Inflammation | | 1 2.0| Periesophageal Tissue, Inflammation | 3 | 3 2.7| |__________________________________________________________________________|____________| Intestine Large, Colon | + + + | 53 | Parasite Metazoan | | 1 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + | 53 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + | 53 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + | 53 | Epithelium, Hyperplasia | | 1 1.0| |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + | 53 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + | 53 | |__________________________________________________________________________|____________| Liver | + + + | 53 | Angiectasis | | 1 1.0| Basophilic Focus | | 8 | Basophilic Focus, Multiple | | 5 | Cholangiofibrosis | | 2 1.5| Clear Cell Focus | | 1 | Eosinophilic Focus | | 7 | Eosinophilic Focus, Multiple | X | 14 | Fatty Change, Diffuse | 1 | 12 1.1| Fatty Change, Focal | | 4 1.5| Hematopoietic Cell Proliferation | | 2 1.0| Inflammation | 1 1 | 47 1.1| Mixed Cell Focus | | 8 | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 56 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 2| 6| 6| | | DAY ON TEST | 3| 3| 5| | | | 6| 5| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| | A | 10 NG/KG | 9| 9| 9| | L | | 0| 6| 7| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Mixed Cell Focus, Multiple | | 21 | Necrosis | | 4 2.0| Pigmentation | 2 2 | 34 1.4| Toxic Hepatopathy | | 8 1.3| Bile Duct, Cyst | | 2 2.0| Bile Duct, Hyperplasia | | 7 1.1| Hepatocyte, Hypertrophy | 1 | 19 1.2| Hepatocyte, Multinucleated | 1 1 | 16 1.2| Oval Cell, Hyperplasia | | 3 1.3| |__________________________________________________________________________|____________| Oral Mucosa | + | 16 | Gingival, Hyperplasia, Squamous | 2 | 14 1.6| |__________________________________________________________________________|____________| Pancreas | + + + | 52 | Inflammation, Chronic Active | | 2 1.5| Acinus, Atrophy | 1 | 4 1.5| Artery, Inflammation, Chronic Active | | 1 2.0| |__________________________________________________________________________|____________| Salivary Glands | + + + | 52 | Inflammation | | 2 2.0| |__________________________________________________________________________|____________| Stomach, Forestomach | + + + | 53 | Cyst, Squamous | | 1 2.0| Erosion | | 1 2.0| Hyperkeratosis | | 1 1.0| Hyperplasia, Squamous | | 4 1.8| Inflammation | | 2 1.5| Mineralization | | 1 2.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + | 53 | Diverticulum | | 1 | |__________________________________________________________________________|____________| Tooth | + | 12 | Peridontal Tissue, Inflammation | 3 | 12 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 57 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 2| 6| 6| | | DAY ON TEST | 3| 3| 5| | | | 6| 5| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| | A | 10 NG/KG | 9| 9| 9| | L | | 0| 6| 7| | | _____________________________________________________________________________________________________________________|____________| CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + | 53 | Thrombosis | | 1 4.0| |__________________________________________________________________________|____________| Heart | + + + | 53 | Cardiomyopathy | 1 | 22 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + | 53 | Angiectasis | | 18 1.6| Atrophy | | 4 1.5| Degeneration, Cystic | | 21 2.1| Hyperplasia | | 18 2.4| Hypertrophy | 1 2 1 | 46 2.0| Necrosis | | 2 1.5| Vacuolization Cytoplasmic | 1 1 | 12 1.3| |__________________________________________________________________________|____________| Adrenal Medulla | + + + | 53 | Angiectasis | | 2 2.0| Hyperplasia | 3 3 | 18 2.0| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + | 53 | Hyperplasia | | 1 4.0| |__________________________________________________________________________|____________| Parathyroid Gland | + + + | 47 | Fibrosis | | 1 3.0| |__________________________________________________________________________|____________| Pituitary Gland | + + M | 52 | Angiectasis | 3 | 25 2.3| Cytoplasmic Alteration | | 1 1.0| Vacuolization Cytoplasmic | | 1 2.0| Pars Distalis, Hyperplasia | | 16 2.3| |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 58 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 2| 6| 6| | | DAY ON TEST | 3| 3| 5| | | | 6| 5| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| | A | 10 NG/KG | 9| 9| 9| | L | | 0| 6| 7| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | Thyroid Gland | + + + | 53 | Angiectasis | | 1 1.0| Inflammation, Chronic Active | | 1 2.0| Inflammation, Suppurative | 2 | 1 2.0| C-Cell, Hyperplasia | 2 | 22 2.1| Follicular Cell, Hypertrophy | | 4 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + | 53 | Hyperplasia, Basal Cell | | 1 2.0| Inflammation | 1 3 1 | 35 1.7| Duct, Cyst | 1 3 2 | 41 2.2| |__________________________________________________________________________|____________| Ovary | + + + | 53 | Atrophy | 4 4 4 | 50 4.0| Cyst | 2 | 13 2.4| Fibrosis | | 1 3.0| |__________________________________________________________________________|____________| Oviduct | | 2 | Inflammation | | 1 2.0| Epithelium, Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Uterus | + + + | 53 | Inflammation, Chronic Active | | 3 2.7| Inflammation, Suppurative | | 12 2.4| Metaplasia, Squamous | 3 | 28 2.5| Ulcer | | 1 2.0| Cervix, Hyperplasia, Stromal | | 1 4.0| Endometrium, Adenomyosis | | 1 3.0| Endometrium, Hyperplasia, Cystic | 1 1 | 35 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 59 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 2| 6| 6| | | DAY ON TEST | 3| 3| 5| | | | 6| 5| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| | A | 10 NG/KG | 9| 9| 9| | L | | 0| 6| 7| | | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM - cont | | | Serosa, Inflammation, Chronic Active | | 1 3.0| |__________________________________________________________________________|____________| Vagina | | 1 | Cyst | | 1 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + | 53 | Hyperplasia | 2 4 | 32 3.2| |__________________________________________________________________________|____________| Lymph Node | | 3 | Lumbar, Ectasia | | 1 3.0| Mediastinal, Hyperplasia, Histiocytic| | 1 2.0| Mediastinal, Pigmentation | | 1 2.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + | 52 | Hyperplasia, Lymphoid | 2 | 3 2.0| Hyperplasia, Plasma Cell | 2 3 | 23 2.4| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + | 53 | |__________________________________________________________________________|____________| Spleen | + + + | 53 | Hematopoietic Cell Proliferation | 3 | 38 1.3| Necrosis | | 1 3.0| Pigmentation | 1 3 | 49 1.5| Lymphoid Follicle, Atrophy | | 1 2.0| |__________________________________________________________________________|____________| Thymus | + + + | 52 | Atrophy | 3 2 2 | 44 3.0| Hemorrhage | | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + | 53 | _____________________________________________________________________________________________________________________|____________| * : 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: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 2| 6| 6| | | DAY ON TEST | 3| 3| 5| | | | 6| 5| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| | A | 10 NG/KG | 9| 9| 9| | L | | 0| 6| 7| | | _____________________________________________________________________________________________________________________|____________| INTEGUMENTARY SYSTEM - cont | | | Hyperplasia | 2 | 24 1.5| Inflammation, Granulomatous | | 1 2.0| |__________________________________________________________________________|____________| Skin | + + + | 53 | Hemorrhage | 3 | 1 3.0| Hyperplasia, Squamous | | 1 2.0| Inflammation, Chronic Active | | 2 3.0| Necrosis | | 1 3.0| Ulcer | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + | 53 | |__________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + | 53 | Hemorrhage | | 1 3.0| Hydrocephalus | 2 | 1 2.0| Mineralization | | 1 2.0| Vacuolization Cytoplasmic, Focal | 1 | 1 1.0| Cerebellum, Necrosis | | 1 3.0| |__________________________________________________________________________|____________| Peripheral Nerve | | 1 | |__________________________________________________________________________|____________| Spinal Cord | | 1 | Gliosis | | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + | 53 | Congestion | | 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 61 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 2| 6| 6| | | DAY ON TEST | 3| 3| 5| | | | 6| 5| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| | A | 10 NG/KG | 9| 9| 9| | L | | 0| 6| 7| | | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | Edema | | 2 2.0| Infiltration Cellular, Histiocyte | 2 2 | 43 1.8| Inflammation, Granulomatous | | 2 2.5| Alveolar Epithelium, Metaplasia, | | | Bronchiolar | 2 1 | 33 1.5| Bronchiole, Dilatation | | 1 2.0| |__________________________________________________________________________|____________| Nose | + + + | 53 | Turbinate, Septum, Inflammation | | 1 2.0| Turbinate, Respiratory Epithelium, | | | Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Trachea | + + + | 53 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Ear | | 2 | |__________________________________________________________________________|____________| Eye | + + + | 53 | Cornea, Inflammation, Suppurative | | 1 1.0| Retina, Atrophy | | 5 2.2| |__________________________________________________________________________|____________| Harderian Gland | + + + | 53 | Inflammation | | 2 1.5| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + | 53 | Calculus Micro Observation Only | | 1 | Casts Protein | | 2 1.0| Infarct | | 1 3.0| Inflammation, Suppurative | | 2 2.0| Mineralization | 1 | 30 1.0| Nephropathy | 1 1 | 32 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 62 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 2| 6| 6| | | DAY ON TEST | 3| 3| 5| | | | 6| 5| 9| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| | A | 10 NG/KG | 9| 9| 9| | L | | 0| 6| 7| | | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM - cont | | | Papilla, Necrosis | | 1 3.0| Pelvis, Dilatation | | 1 3.0| Pelvis, Inflammation | | 1 2.0| Transitional Epithelium, Hyperplasia | | 8 1.8| |__________________________________________________________________________|____________| Urinary Bladder | + + + | 53 | Inflammation | | 4 1.5| Transitional Epithelium, Hyperplasia | | 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 63 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 6| 4| 7| 4| 3| 5| 3| 7| 4| 6| 3| 4| 6| 6| 7| 6| 3| 6| 7| 7| 7| 5| 7| DAY ON TEST | 3| 3| 1| 5| 3| 8| 3| 4| 8| 3| 1| 7| 7| 0| 2| 2| 3| 0| 8| 2| 3| 3| 3| 5| 3| | 1| 1| 5| 3| 1| 5| 8| 5| 0| 2| 7| 5| 3| 6| 6| 6| 1| 7| 9| 6| 2| 2| 1| 7| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 22 NG/KG | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| | 1| 2| 3| 4| 5| 6| 7| 9| 1| 2| 4| 6| 7| 8| 9| 0| 6| 9| 0| 1| 2| 3| 4| 5| 6| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| Muscularis, Inflammation | 2 | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X X X X| Basophilic Focus, Multiple | | Cholangiofibrosis | | Clear Cell Focus | | Clear Cell Focus, Multiple | X | Degeneration, Cystic | | Eosinophilic Focus | X X X X X X | Eosinophilic Focus, Multiple | X X X X X X X X X| Fatty Change, Diffuse | 2 1 2 1 2 1 2 1 1 | Fatty Change, Focal | 2 | Hematopoietic Cell Proliferation | | Hepatodiaphragmatic Nodule | | Hyperplasia, Nodular | X | Inflammation | 2 2 1 2 2 1 2 1 1 1 1 1 1 1 1 1 3 1 2 1 3 2 1 1| Mitotic Alteration | | Mixed Cell Focus, Multiple | X X X X X X X X X X X | Necrosis | 2 2 2 2 2 | Pigmentation | 2 2 1 1 2 1 1 2 1 2 1 2 1 1 2 1 2 2 2 2 2 2 1 2| Toxic Hepatopathy | 1 1 1 1 1 2 1 1 1 2 1| Bile Duct, Cyst | 1 2 | Bile Duct, Fibrosis | | __________________________________________|__________________________________________________________________________| Page 64 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 6| 4| 7| 4| 3| 5| 3| 7| 4| 6| 3| 4| 6| 6| 7| 6| 3| 6| 7| 7| 7| 5| 7| DAY ON TEST | 3| 3| 1| 5| 3| 8| 3| 4| 8| 3| 1| 7| 7| 0| 2| 2| 3| 0| 8| 2| 3| 3| 3| 5| 3| | 1| 1| 5| 3| 1| 5| 8| 5| 0| 2| 7| 5| 3| 6| 6| 6| 1| 7| 9| 6| 2| 2| 1| 7| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 22 NG/KG | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| | 1| 2| 3| 4| 5| 6| 7| 9| 1| 2| 4| 6| 7| 8| 9| 0| 6| 9| 0| 1| 2| 3| 4| 5| 6| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Bile Duct, Hyperplasia | 1 1 2 1 1 1 1 1 1| Centrilobular, Degeneration | 2 | Hepatocyte, Hypertrophy | 1 1 2 1 3 1 1 1 1 1 1 1 1 3 2 3 1 2 1 3 1 2| Hepatocyte, Multinucleated | 1 1 1 1 1 1 1 2 1 1 1 1| Oval Cell, Hyperplasia | 1 1 1 2 1 1 1 1| |__________________________________________________________________________| Mesentery | | Fat, Necrosis | | |__________________________________________________________________________| Oral Mucosa | + + + + + + + | Gingival, Hyperplasia, Squamous | 2 3 1 1 1 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | | Inflammation, Chronic Active | 1 | Necrosis | | Acinus, Atrophy | 2 1 | Acinus, Hyperplasia | 2 | Acinus, Vacuolization Cytoplasmic | | Artery, Inflammation, Chronic Active | 2 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + M + + + + + M + + + + + +| Atrophy | 3 2 | Inflammation | 2 2 | |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | | Hyperkeratosis | 3 | Hyperplasia, Squamous | 2 | Ulcer | 1 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 | |__________________________________________________________________________| Tooth | + + + + | Peridontal Tissue, Inflammation | 2 3 1 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | __________________________________________|__________________________________________________________________________| Page 65 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 6| 4| 7| 4| 3| 5| 3| 7| 4| 6| 3| 4| 6| 6| 7| 6| 3| 6| 7| 7| 7| 5| 7| DAY ON TEST | 3| 3| 1| 5| 3| 8| 3| 4| 8| 3| 1| 7| 7| 0| 2| 2| 3| 0| 8| 2| 3| 3| 3| 5| 3| | 1| 1| 5| 3| 1| 5| 8| 5| 0| 2| 7| 5| 3| 6| 6| 6| 1| 7| 9| 6| 2| 2| 1| 7| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 22 NG/KG | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| | 1| 2| 3| 4| 5| 6| 7| 9| 1| 2| 4| 6| 7| 8| 9| 0| 6| 9| 0| 1| 2| 3| 4| 5| 6| __________________________________________|__________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 1 1 1 1 2 1 2| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 2 2 2 1 2 2| Atrophy | 3 4 | Degeneration, Cystic | 2 3 2 2 1 1 4 2 2| Hyperplasia | 3 1 1 2 2 3 2 2 2 3 3 2 2| Hypertrophy | 2 2 1 2 1 1 2 4 1 1 2 3 1 2 2 2 2 3 4| Necrosis | 3 | Thrombosis | 2 | Vacuolization Cytoplasmic | 1 2 2 2 3 1 1 1 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Hyperplasia | 2 2 1 2 | Inflammation, Suppurative | 2 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | |__________________________________________________________________________| Parathyroid Gland | + + + M + + + M + + + + M + M M + + M + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 2 2 2 3 2 2 2| Cytoplasmic Alteration | 2 | Vacuolization Cytoplasmic | | Pars Distalis, Hyperplasia | 1 2 3 2 3 2 3 2 3 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + M + + + + + + + + + + + +| Angiectasis | | Cyst | 2 | C-Cell, Hyperplasia | 2 2 1 2 3 2 2 3| __________________________________________|__________________________________________________________________________| Page 66 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 6| 4| 7| 4| 3| 5| 3| 7| 4| 6| 3| 4| 6| 6| 7| 6| 3| 6| 7| 7| 7| 5| 7| DAY ON TEST | 3| 3| 1| 5| 3| 8| 3| 4| 8| 3| 1| 7| 7| 0| 2| 2| 3| 0| 8| 2| 3| 3| 3| 5| 3| | 1| 1| 5| 3| 1| 5| 8| 5| 0| 2| 7| 5| 3| 6| 6| 6| 1| 7| 9| 6| 2| 2| 1| 7| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 22 NG/KG | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| | 1| 2| 3| 4| 5| 6| 7| 9| 1| 2| 4| 6| 7| 8| 9| 0| 6| 9| 0| 1| 2| 3| 4| 5| 6| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Follicular Cell, Hypertrophy | 1 2 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 3 1 2 1 1 1 1 1 2 1 2 1 1 1 2 1| Duct, Cyst | 1 3 1 1 2 1 2 1 1 3 2 3 1 2 2 1 2 2 2 3| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 4 4 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4| Congestion | | Cyst | 2 3 2 2 2 2 2 2 2 3 2| Inflammation, Chronic Active | 3 | Inflammation, Suppurative | 4 | Periovarian Tissue, Inflammation, | | Suppurative | 2 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 3 3 | Metaplasia, Squamous | 3 2 2 2 1 1 3 2 2 3 4 3 | Necrosis | | Cervix, Hyperplasia, Stromal | | Endometrium, Hyperplasia, Cystic | 3 1 2 1 1 2 3 2 4 1 3 3 3| Epithelium, Hyperplasia | 3 | |__________________________________________________________________________| Vagina | + | Inflammation | | Necrosis | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 4 3 3 3 3 3 3 3 3 3 4 3 3 4 3 3 | |__________________________________________________________________________| Lymph Node | + | __________________________________________|__________________________________________________________________________| Page 67 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 6| 4| 7| 4| 3| 5| 3| 7| 4| 6| 3| 4| 6| 6| 7| 6| 3| 6| 7| 7| 7| 5| 7| DAY ON TEST | 3| 3| 1| 5| 3| 8| 3| 4| 8| 3| 1| 7| 7| 0| 2| 2| 3| 0| 8| 2| 3| 3| 3| 5| 3| | 1| 1| 5| 3| 1| 5| 8| 5| 0| 2| 7| 5| 3| 6| 6| 6| 1| 7| 9| 6| 2| 2| 1| 7| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 22 NG/KG | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| | 1| 2| 3| 4| 5| 6| 7| 9| 1| 2| 4| 6| 7| 8| 9| 0| 6| 9| 0| 1| 2| 3| 4| 5| 6| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Deep Cervical, Hemorrhage | 3 | Lumbar, Ectasia | | Lumbar, Hemorrhage | | Lumbar, Hyperplasia, Plasma Cell | | Lumbar, Pigmentation | | Mediastinal, Hemorrhage | | Mediastinal, Hyperplasia, Plasma Cell| | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + M + + + + + M + + + + + +| Hyperplasia, Plasma Cell | 2 2 2 2 2 3 2 2 | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 1 1 1 3 1 3 2 1 1 2 1 1 2 1 1 3 1 3 1 2 1| Pigmentation | 2 2 1 1 2 1 2 2 2 2 1 1 1 1 2 1 2 1 2 1 1 2 1 2| |__________________________________________________________________________| Thymus | + + + + + + + + M + + + + + + + + + + + + + + + M| Atrophy | 3 2 3 4 2 3 4 2 2 3 2 3 3 4 4 2 2 4 3 4 4 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 | Hyperplasia | 1 1 2 1 1 1 2 1 1| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | | Hemorrhage | | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | __________________________________________|__________________________________________________________________________| Page 68 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 6| 4| 7| 4| 3| 5| 3| 7| 4| 6| 3| 4| 6| 6| 7| 6| 3| 6| 7| 7| 7| 5| 7| DAY ON TEST | 3| 3| 1| 5| 3| 8| 3| 4| 8| 3| 1| 7| 7| 0| 2| 2| 3| 0| 8| 2| 3| 3| 3| 5| 3| | 1| 1| 5| 3| 1| 5| 8| 5| 0| 2| 7| 5| 3| 6| 6| 6| 1| 7| 9| 6| 2| 2| 1| 7| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 22 NG/KG | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| | 1| 2| 3| 4| 5| 6| 7| 9| 1| 2| 4| 6| 7| 8| 9| 0| 6| 9| 0| 1| 2| 3| 4| 5| 6| __________________________________________|__________________________________________________________________________| NERVOUS SYSTEM - cont | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Histiocyte | 2 2 2 2 1 2 1 2 2 2 1 1 2 1 3 1 1 2 1| Inflammation, Granulomatous | 1 1 | Inflammation, Suppurative | 1 | Necrosis | | Alveolar Epithelium, Metaplasia, | | Bronchiolar | 2 2 1 1 1 1 1 2 1 2 1 2 1 2 1 1 1| Serosa, Inflammation, Focal, | | Suppurative | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 2 | Nasopharyngeal Duct, Inflammation | | Nasopharyngeal Duct, Necrosis | | Respiratory Epithelium, Hyperplasia | 3 | Turbinate, Septum, Inflammation | 2 | Turbinate, Respiratory Epithelium, | | Hyperplasia | 3 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Retina, Atrophy | 2 2 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | X | __________________________________________|__________________________________________________________________________| Page 69 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 6| 4| 7| 4| 3| 5| 3| 7| 4| 6| 3| 4| 6| 6| 7| 6| 3| 6| 7| 7| 7| 5| 7| DAY ON TEST | 3| 3| 1| 5| 3| 8| 3| 4| 8| 3| 1| 7| 7| 0| 2| 2| 3| 0| 8| 2| 3| 3| 3| 5| 3| | 1| 1| 5| 3| 1| 5| 8| 5| 0| 2| 7| 5| 3| 6| 6| 6| 1| 7| 9| 6| 2| 2| 1| 7| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 22 NG/KG | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| | 1| 2| 3| 4| 5| 6| 7| 9| 1| 2| 4| 6| 7| 8| 9| 0| 6| 9| 0| 1| 2| 3| 4| 5| 6| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Inflammation, Chronic Active | 2 | Inflammation, Suppurative | 3 | Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Necrosis | 3 | Nephropathy | 2 1 1 1 2 1 1 1 2 1 2 1 1 1 2 2 2| Pelvis, Inflammation | 1 | Transitional Epithelium, Hyperplasia | 1 1 1 2 2 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________ Page 70 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 4| 0| 5| 7| 7| 6| 6| 7| 7| 1| 5| 4| 7| 5| 7| 6| 5| 6| 7| 7| 5| 5| 7| 7| 7| DAY ON TEST | 1| 5| 9| 3| 3| 8| 9| 3| 0| 9| 7| 6| 0| 7| 3| 4| 7| 0| 3| 3| 6| 2| 3| 3| 3| | 6| 3| 2| 1| 1| 0| 0| 2| 8| 7| 8| 2| 8| 8| 3| 5| 8| 1| 1| 2| 1| 2| 2| 1| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 22 NG/KG | 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 5| 6| 6| 6| 6| 6| 7| 8| 8| 8| 8| 8| 9| 9| 9| | 7| 9| 0| 1| 2| 3| 5| 6| 8| 9| 0| 1| 2| 3| 4| 5| 6| 0| 1| 2| 3| 4| 2| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + M + + + +| Muscularis, Inflammation | | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + M + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + M + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + M + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | X X | Basophilic Focus, Multiple | X | Cholangiofibrosis | 1 | Clear Cell Focus | X X | Clear Cell Focus, Multiple | X| Degeneration, Cystic | 1 1| Eosinophilic Focus | X X X | Eosinophilic Focus, Multiple | X X X X X X X | Fatty Change, Diffuse | 1 1 2 1 1 1 1 1 | Fatty Change, Focal | 1 2 2| Hematopoietic Cell Proliferation | 2 2 | Hepatodiaphragmatic Nodule | X | Hyperplasia, Nodular | X X | Inflammation | 1 1 2 1 1 1 1 1 1 1 1 2 1 2 2 1 2 1 1 1 2 1 1 2| Mitotic Alteration | 2 | Mixed Cell Focus, Multiple | X X X X X X X X X X| Necrosis | 3 3 2 | Pigmentation | 3 2 1 2 3 2 1 1 2 2 3 2 2 1 1 1 2 2 2 2 2| Toxic Hepatopathy | 2 2 1 1 3 1 1 2 1 1 1 1 1 1 1 1 1| Bile Duct, Cyst | | Bile Duct, Fibrosis | 2 | __________________________________________|__________________________________________________________________________| Page 71 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 4| 0| 5| 7| 7| 6| 6| 7| 7| 1| 5| 4| 7| 5| 7| 6| 5| 6| 7| 7| 5| 5| 7| 7| 7| DAY ON TEST | 1| 5| 9| 3| 3| 8| 9| 3| 0| 9| 7| 6| 0| 7| 3| 4| 7| 0| 3| 3| 6| 2| 3| 3| 3| | 6| 3| 2| 1| 1| 0| 0| 2| 8| 7| 8| 2| 8| 8| 3| 5| 8| 1| 1| 2| 1| 2| 2| 1| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 22 NG/KG | 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 5| 6| 6| 6| 6| 6| 7| 8| 8| 8| 8| 8| 9| 9| 9| | 7| 9| 0| 1| 2| 3| 5| 6| 8| 9| 0| 1| 2| 3| 4| 5| 6| 0| 1| 2| 3| 4| 2| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Bile Duct, Hyperplasia | 1 1 3 1 2 2 2 1 1 2 1 | Centrilobular, Degeneration | 3 1 3 | Hepatocyte, Hypertrophy | 3 1 2 1 3 1 2 1 1 2 1 1 2 1 1 1 1| Hepatocyte, Multinucleated | 1 2 1 1 2 2 1 1 1 1 1 1| Oval Cell, Hyperplasia | 1 1 1 3 2 1 1 1 2 1 | |__________________________________________________________________________| Mesentery | + | Fat, Necrosis | 3 | |__________________________________________________________________________| Oral Mucosa | + + + + + + + | Gingival, Hyperplasia, Squamous | 1 2 1 2 3 2 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Acute | 4 | Inflammation, Chronic Active | 1 | Necrosis | 3 | Acinus, Atrophy | 2 1 | Acinus, Hyperplasia | | Acinus, Vacuolization Cytoplasmic | 1 | Artery, Inflammation, Chronic Active | 3 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + M + + + +| Atrophy | | Inflammation | 3 | |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | | Hyperkeratosis | | Hyperplasia, Squamous | 2 | Ulcer | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | | |__________________________________________________________________________| Tooth | + + + + + + + + | Peridontal Tissue, Inflammation | 2 1 1 1 1 1 2 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | __________________________________________|__________________________________________________________________________| Page 72 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 4| 0| 5| 7| 7| 6| 6| 7| 7| 1| 5| 4| 7| 5| 7| 6| 5| 6| 7| 7| 5| 5| 7| 7| 7| DAY ON TEST | 1| 5| 9| 3| 3| 8| 9| 3| 0| 9| 7| 6| 0| 7| 3| 4| 7| 0| 3| 3| 6| 2| 3| 3| 3| | 6| 3| 2| 1| 1| 0| 0| 2| 8| 7| 8| 2| 8| 8| 3| 5| 8| 1| 1| 2| 1| 2| 2| 1| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 22 NG/KG | 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 5| 6| 6| 6| 6| 6| 7| 8| 8| 8| 8| 8| 9| 9| 9| | 7| 9| 0| 1| 2| 3| 5| 6| 8| 9| 0| 1| 2| 3| 4| 5| 6| 0| 1| 2| 3| 4| 2| 4| 5| __________________________________________|__________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + M + + + +| Cardiomyopathy | 1 1 1 1 1 1 1 1 1 1 1| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 3 2 1 2 1 1 2| Atrophy | 3 2 | Degeneration, Cystic | 3 3 3 3 2 3 2 1 | Hyperplasia | 3 2 2 3 2 3 2 3 3 2| Hypertrophy | 2 2 4 4 4 3 2 2 1 2 2 2 1 4 2 2 2 2| Necrosis | | Thrombosis | | Vacuolization Cytoplasmic | 1 1 3 2 1 1 2 1 2 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Hyperplasia | 1 2| Inflammation, Suppurative | | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | |__________________________________________________________________________| Parathyroid Gland | + M + + + + + + + + + + + + M + + + + + M + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 3 2 3 1 1 3 2 1 2 3| Cytoplasmic Alteration | 1 2 1 | Vacuolization Cytoplasmic | 2 1 | Pars Distalis, Hyperplasia | 2 2 2 3 2 1 1 3 2 3 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + M + + + +| Angiectasis | 2 | Cyst | | C-Cell, Hyperplasia | 3 2 2 2 1 3 3 2| __________________________________________|__________________________________________________________________________| Page 73 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 4| 0| 5| 7| 7| 6| 6| 7| 7| 1| 5| 4| 7| 5| 7| 6| 5| 6| 7| 7| 5| 5| 7| 7| 7| DAY ON TEST | 1| 5| 9| 3| 3| 8| 9| 3| 0| 9| 7| 6| 0| 7| 3| 4| 7| 0| 3| 3| 6| 2| 3| 3| 3| | 6| 3| 2| 1| 1| 0| 0| 2| 8| 7| 8| 2| 8| 8| 3| 5| 8| 1| 1| 2| 1| 2| 2| 1| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 22 NG/KG | 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 5| 6| 6| 6| 6| 6| 7| 8| 8| 8| 8| 8| 9| 9| 9| | 7| 9| 0| 1| 2| 3| 5| 6| 8| 9| 0| 1| 2| 3| 4| 5| 6| 0| 1| 2| 3| 4| 2| 4| 5| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Follicular Cell, Hypertrophy | 1 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + M + + +| Inflammation | 1 3 1 3 2 3 2 2 2 2 1 1 1 1 2| Duct, Cyst | 3 2 1 4 3 3 3 1 2 2 3 2 2 2 3 1 2 1 2| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4| Congestion | 2 | Cyst | 2 2 3 2 | Inflammation, Chronic Active | | Inflammation, Suppurative | | Periovarian Tissue, Inflammation, | | Suppurative | | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 1 1 4 3 1 2 | Metaplasia, Squamous | 3 2 2 4 2 3 1 4 3 4| Necrosis | 4 | Cervix, Hyperplasia, Stromal | 4 | Endometrium, Hyperplasia, Cystic | 3 2 2 4 2 1 3 2 4 1 3 | Epithelium, Hyperplasia | | |__________________________________________________________________________| Vagina | + + | Inflammation | 4 4 | Necrosis | 4 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 4 3 3 3 3 3 3 3 3 4 2 2 4 3 3 4 | |__________________________________________________________________________| Lymph Node | + + + + | __________________________________________|__________________________________________________________________________| Page 74 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 4| 0| 5| 7| 7| 6| 6| 7| 7| 1| 5| 4| 7| 5| 7| 6| 5| 6| 7| 7| 5| 5| 7| 7| 7| DAY ON TEST | 1| 5| 9| 3| 3| 8| 9| 3| 0| 9| 7| 6| 0| 7| 3| 4| 7| 0| 3| 3| 6| 2| 3| 3| 3| | 6| 3| 2| 1| 1| 0| 0| 2| 8| 7| 8| 2| 8| 8| 3| 5| 8| 1| 1| 2| 1| 2| 2| 1| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 22 NG/KG | 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 5| 6| 6| 6| 6| 6| 7| 8| 8| 8| 8| 8| 9| 9| 9| | 7| 9| 0| 1| 2| 3| 5| 6| 8| 9| 0| 1| 2| 3| 4| 5| 6| 0| 1| 2| 3| 4| 2| 4| 5| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Deep Cervical, Hemorrhage | | Lumbar, Ectasia | 2 2 | Lumbar, Hemorrhage | 2 | Lumbar, Hyperplasia, Plasma Cell | 3 | Lumbar, Pigmentation | 3 | Mediastinal, Hemorrhage | 2 | Mediastinal, Hyperplasia, Plasma Cell| 3 | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + M + + + +| Hyperplasia, Plasma Cell | 2 2 3 3 2 2 2 2 4 3 2 2 | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 1 2 2 3 1 1 2 2 1 1 1 2 3 1 1 3 1 1| Pigmentation | 2 2 1 1 1 1 1 2 2 2 1 1 3 1 2 1 1 1 2 1 1 2 2 2| |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + M + + M + + + +| Atrophy | 4 4 4 4 4 3 4 2 4 2 3 4 4 2 4 2 2 2| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hyperplasia | 1 3 1 1 2 1 1 1 2 1 2| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | + + | Hemorrhage | 3 | Inflammation, Chronic Active | 3 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | __________________________________________|__________________________________________________________________________| Page 75 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 4| 0| 5| 7| 7| 6| 6| 7| 7| 1| 5| 4| 7| 5| 7| 6| 5| 6| 7| 7| 5| 5| 7| 7| 7| DAY ON TEST | 1| 5| 9| 3| 3| 8| 9| 3| 0| 9| 7| 6| 0| 7| 3| 4| 7| 0| 3| 3| 6| 2| 3| 3| 3| | 6| 3| 2| 1| 1| 0| 0| 2| 8| 7| 8| 2| 8| 8| 3| 5| 8| 1| 1| 2| 1| 2| 2| 1| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 22 NG/KG | 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 5| 6| 6| 6| 6| 6| 7| 8| 8| 8| 8| 8| 9| 9| 9| | 7| 9| 0| 1| 2| 3| 5| 6| 8| 9| 0| 1| 2| 3| 4| 5| 6| 0| 1| 2| 3| 4| 2| 4| 5| __________________________________________|__________________________________________________________________________| NERVOUS SYSTEM - cont | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + M + + + +| Infiltration Cellular, Histiocyte | 3 2 1 1 1 2 2 2 1 1 2 2 1 3 2 2 2 2 1 2 1| Inflammation, Granulomatous | | Inflammation, Suppurative | 2 | Necrosis | 2 | Alveolar Epithelium, Metaplasia, | | Bronchiolar | 2 1 1 2 1 2 2 1 2 1 1 2 1 3 1| Serosa, Inflammation, Focal, | | Suppurative | 2 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 | Nasopharyngeal Duct, Inflammation | 3 | Nasopharyngeal Duct, Necrosis | 3 | Respiratory Epithelium, Hyperplasia | | Turbinate, Septum, Inflammation | | Turbinate, Respiratory Epithelium, | | Hyperplasia | | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + M + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + M + + + +| Retina, Atrophy | 3 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + M + + + +| Inflammation | 1 1 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | X X | __________________________________________|__________________________________________________________________________| Page 76 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 4| 0| 5| 7| 7| 6| 6| 7| 7| 1| 5| 4| 7| 5| 7| 6| 5| 6| 7| 7| 5| 5| 7| 7| 7| DAY ON TEST | 1| 5| 9| 3| 3| 8| 9| 3| 0| 9| 7| 6| 0| 7| 3| 4| 7| 0| 3| 3| 6| 2| 3| 3| 3| | 6| 3| 2| 1| 1| 0| 0| 2| 8| 7| 8| 2| 8| 8| 3| 5| 8| 1| 1| 2| 1| 2| 2| 1| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 22 NG/KG | 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 5| 6| 6| 6| 6| 6| 7| 8| 8| 8| 8| 8| 9| 9| 9| | 7| 9| 0| 1| 2| 3| 5| 6| 8| 9| 0| 1| 2| 3| 4| 5| 6| 0| 1| 2| 3| 4| 2| 4| 5| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Inflammation, Chronic Active | | Inflammation, Suppurative | | Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | Necrosis | | Nephropathy | 1 3 1 1 2 2 2 1 2 1 1 1 1 1 1 2| Pelvis, Inflammation | | Transitional Epithelium, Hyperplasia | 1 1 1| |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + M + + +| __________________________________________|__________________________________________________________________________ Page 77 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 5| 6| | | DAY ON TEST | 3| 3| 4| | | | 1| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| | A | 22 NG/KG | 9| 9| 9| | L | | 6| 7| 8| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + | 52 | Muscularis, Inflammation | | 1 2.0| |__________________________________________________________________________|____________| Intestine Large, Colon | + + + | 53 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + | 52 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + | 53 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + | 52 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + | 53 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + | 52 | |__________________________________________________________________________|____________| Liver | + + + | 53 | Basophilic Focus | | 7 | Basophilic Focus, Multiple | | 1 | Cholangiofibrosis | | 1 1.0| Clear Cell Focus | | 2 | Clear Cell Focus, Multiple | | 2 | Degeneration, Cystic | | 2 1.0| Eosinophilic Focus | X | 10 | Eosinophilic Focus, Multiple | X | 17 | Fatty Change, Diffuse | | 17 1.3| Fatty Change, Focal | | 4 1.8| Hematopoietic Cell Proliferation | 1 1 | 4 1.5| Hepatodiaphragmatic Nodule | | 1 | Hyperplasia, Nodular | | 3 | Inflammation | 1 3 | 50 1.4| Mitotic Alteration | | 1 2.0| Mixed Cell Focus, Multiple | X X | 23 | Necrosis | | 8 2.3| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 78 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 5| 6| | | DAY ON TEST | 3| 3| 4| | | | 1| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| | A | 22 NG/KG | 9| 9| 9| | L | | 6| 7| 8| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Pigmentation | 2 1 3 | 48 1.7| Toxic Hepatopathy | 1 1 | 30 1.2| Bile Duct, Cyst | | 2 1.5| Bile Duct, Fibrosis | | 1 2.0| Bile Duct, Hyperplasia | 1 1 | 22 1.3| Centrilobular, Degeneration | | 4 2.3| Hepatocyte, Hypertrophy | 1 2 1 | 42 1.5| Hepatocyte, Multinucleated | 1 1 | 26 1.2| Oval Cell, Hyperplasia | 1 1 | 20 1.3| |__________________________________________________________________________|____________| Mesentery | | 1 | Fat, Necrosis | | 1 3.0| |__________________________________________________________________________|____________| Oral Mucosa | + + | 16 | Gingival, Hyperplasia, Squamous | 1 1 | 13 1.6| |__________________________________________________________________________|____________| Pancreas | + + + | 53 | Inflammation, Acute | | 1 4.0| Inflammation, Chronic Active | | 2 1.0| Necrosis | | 1 3.0| Acinus, Atrophy | | 4 1.5| Acinus, Hyperplasia | | 1 2.0| Acinus, Vacuolization Cytoplasmic | | 1 1.0| Artery, Inflammation, Chronic Active | | 2 2.5| |__________________________________________________________________________|____________| Salivary Glands | + + + | 50 | Atrophy | | 2 2.5| Inflammation | | 3 2.3| |__________________________________________________________________________|____________| Stomach, Forestomach | + + + | 53 | Edema | 2 | 1 2.0| Hyperkeratosis | | 1 3.0| Hyperplasia, Squamous | | 2 2.0| Ulcer | | 1 1.0| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 79 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 5| 6| | | DAY ON TEST | 3| 3| 4| | | | 1| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| | A | 22 NG/KG | 9| 9| 9| | L | | 6| 7| 8| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | |__________________________________________________________________________|____________| Stomach, Glandular | + + + | 53 | Mineralization | | 1 2.0| |__________________________________________________________________________|____________| Tooth | + | 13 | Peridontal Tissue, Inflammation | 1 | 13 1.4| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + | 53 | |__________________________________________________________________________|____________| Heart | + + + | 52 | Cardiomyopathy | 1 | 25 1.1| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + | 53 | Angiectasis | 2 | 17 1.8| Atrophy | 1 | 5 2.6| Degeneration, Cystic | 2 | 18 2.3| Hyperplasia | 3 2 | 25 2.3| Hypertrophy | 3 2 3 | 40 2.2| Necrosis | | 1 3.0| Thrombosis | | 1 2.0| Vacuolization Cytoplasmic | 1 1 2 | 21 1.6| |__________________________________________________________________________|____________| Adrenal Medulla | + + + | 53 | Angiectasis | | 1 2.0| Hyperplasia | 1 | 7 1.6| Inflammation, Suppurative | | 1 2.0| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + | 53 | Hyperplasia | 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 80 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 5| 6| | | DAY ON TEST | 3| 3| 4| | | | 1| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| | A | 22 NG/KG | 9| 9| 9| | L | | 6| 7| 8| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | Parathyroid Gland | + + + | 44 | |__________________________________________________________________________|____________| Pituitary Gland | + + + | 53 | Angiectasis | 2 | 20 2.1| Cytoplasmic Alteration | | 4 1.5| Vacuolization Cytoplasmic | | 2 1.5| Pars Distalis, Hyperplasia | 2 1 | 21 2.1| |__________________________________________________________________________|____________| Thyroid Gland | + + + | 51 | Angiectasis | | 1 2.0| Cyst | | 1 2.0| C-Cell, Hyperplasia | 3 3 3 | 19 2.3| Follicular Cell, Hypertrophy | | 7 1.1| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + | 52 | Inflammation | 1 2 | 34 1.6| Duct, Cyst | 2 1 1 | 42 2.0| |__________________________________________________________________________|____________| Ovary | + + + | 53 | Atrophy | 4 4 4 | 44 4.0| Congestion | | 1 2.0| Cyst | | 15 2.2| Inflammation, Chronic Active | | 1 3.0| Inflammation, Suppurative | | 1 4.0| Periovarian Tissue, Inflammation, | | | Suppurative | | 1 2.0| |__________________________________________________________________________|____________| Uterus | + + + | 53 | Inflammation, Suppurative | 1 | 9 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 81 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 5| 6| | | DAY ON TEST | 3| 3| 4| | | | 1| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| | A | 22 NG/KG | 9| 9| 9| | L | | 6| 7| 8| | | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM - cont | | | Metaplasia, Squamous | 2 | 23 2.5| Necrosis | | 1 4.0| Cervix, Hyperplasia, Stromal | | 1 4.0| Endometrium, Hyperplasia, Cystic | 3 2 3 | 27 2.4| Epithelium, Hyperplasia | | 1 3.0| |__________________________________________________________________________|____________| Vagina | | 3 | Inflammation | | 2 4.0| Necrosis | | 1 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + | 53 | Hyperplasia | 3 3 | 35 3.1| |__________________________________________________________________________|____________| Lymph Node | | 5 | Deep Cervical, Hemorrhage | | 1 3.0| Lumbar, Ectasia | | 2 2.0| Lumbar, Hemorrhage | | 1 2.0| Lumbar, Hyperplasia, Plasma Cell | | 1 3.0| Lumbar, Pigmentation | | 1 3.0| Mediastinal, Hemorrhage | | 1 2.0| Mediastinal, Hyperplasia, Plasma Cell| | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + | 50 | Hyperplasia, Plasma Cell | 3 2 | 22 2.3| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + | 53 | Atrophy | | 1 2.0| |__________________________________________________________________________|____________| Spleen | + + + | 53 | Hematopoietic Cell Proliferation | 2 1 | 42 1.6| Pigmentation | 1 1 2 | 51 1.5| |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 82 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 5| 6| | | DAY ON TEST | 3| 3| 4| | | | 1| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| | A | 22 NG/KG | 9| 9| 9| | L | | 6| 7| 8| | | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | Thymus | + + + | 49 | Atrophy | 2 4 | 41 3.1| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + | 53 | Cyst | | 1 3.0| Hyperplasia | 2 1 | 22 1.4| |__________________________________________________________________________|____________| Skin | + + + | 53 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + | 53 | |__________________________________________________________________________|____________| Skeletal Muscle | | 2 | Hemorrhage | | 1 3.0| Inflammation, Chronic Active | | 1 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + | 53 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + | 52 | Infiltration Cellular, Histiocyte | 1 1 1 | 43 1.6| Inflammation, Granulomatous | | 2 1.0| Inflammation, Suppurative | | 2 1.5| Necrosis | | 1 2.0| Alveolar Epithelium, Metaplasia, | | | Bronchiolar | 1 1 1 | 35 1.4| Serosa, Inflammation, Focal, | | | Suppurative | | 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 83 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 5| 6| | | DAY ON TEST | 3| 3| 4| | | | 1| 3| 1| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| | A | 22 NG/KG | 9| 9| 9| | L | | 6| 7| 8| | | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | |__________________________________________________________________________|____________| Nose | + + + | 53 | Inflammation | 2 | 3 1.7| Nasopharyngeal Duct, Inflammation | | 1 3.0| Nasopharyngeal Duct, Necrosis | | 1 3.0| Respiratory Epithelium, Hyperplasia | | 1 3.0| Turbinate, Septum, Inflammation | | 1 2.0| Turbinate, Respiratory Epithelium, | | | Hyperplasia | | 1 3.0| |__________________________________________________________________________|____________| Trachea | + + + | 52 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + | 52 | Retina, Atrophy | | 3 2.3| |__________________________________________________________________________|____________| Harderian Gland | + + + | 52 | Inflammation | | 2 1.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + | 53 | Calculus Micro Observation Only | | 3 | Inflammation, Chronic Active | | 1 2.0| Inflammation, Suppurative | | 1 3.0| Mineralization | 1 1 | 32 1.0| Necrosis | | 1 3.0| Nephropathy | 2 1 1 | 36 1.4| Pelvis, Inflammation | | 1 1.0| Transitional Epithelium, Hyperplasia | | 8 1.3| |__________________________________________________________________________|____________| Urinary Bladder | + + + | 52 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 84 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 6| 5| 6| 3| 7| 7| 4| 5| 5| 7| 1| 7| 6| 7| 1| 6| 3| 7| 7| 7| DAY ON TEST | 3| 0| 3| 3| 7| 5| 1| 7| 4| 3| 3| 7| 8| 9| 0| 4| 3| 9| 3| 8| 5| 1| 3| 3| 3| | 3| 8| 1| 1| 3| 9| 8| 2| 1| 1| 1| 4| 9| 0| 1| 1| 3| 4| 1| 5| 7| 7| 3| 2| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 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| 46 NG/KG | 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 3| 4| 4| 4| 4| 4| 5| | 1| 2| 5| 6| 7| 9| 0| 2| 3| 4| 5| 6| 7| 8| 9| 6| 7| 8| 0| 5| 6| 7| 8| 9| 0| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| Muscularis, Inflammation | 1 2 | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | | |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | | Basophilic Focus, Multiple | X | Cholangiofibrosis | 2 2 2 1 3 4 | Clear Cell Focus | | Clear Cell Focus, Multiple | | Eosinophilic Focus | X | Eosinophilic Focus, Multiple | X X X X X X X X X| Fatty Change, Diffuse | 1 1 1 1 1 2 3 1 1 1 3 1 2| Fatty Change, Focal | | Hematopoietic Cell Proliferation | 2 | Hemorrhage | 3 | Hepatodiaphragmatic Nodule | X X| Hyperplasia, Nodular | X X X X | Inflammation | 1 1 1 1 1 1 1 2 2 1 1 1 1 1 2 1 1 2 2 1 1 1 1 1| Mitotic Alteration | 2 | Mixed Cell Focus | | Mixed Cell Focus, Multiple | X X X X X X X X X X X X X| Necrosis | 2 1 1 2 2 3 | Pigmentation | 2 3 2 2 2 2 2 2 2 2 2 1 2 3 2 2 2 2 2 2 1 1 2 2| __________________________________________|__________________________________________________________________________| Page 85 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 6| 5| 6| 3| 7| 7| 4| 5| 5| 7| 1| 7| 6| 7| 1| 6| 3| 7| 7| 7| DAY ON TEST | 3| 0| 3| 3| 7| 5| 1| 7| 4| 3| 3| 7| 8| 9| 0| 4| 3| 9| 3| 8| 5| 1| 3| 3| 3| | 3| 8| 1| 1| 3| 9| 8| 2| 1| 1| 1| 4| 9| 0| 1| 1| 3| 4| 1| 5| 7| 7| 3| 2| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 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| 46 NG/KG | 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 3| 4| 4| 4| 4| 4| 5| | 1| 2| 5| 6| 7| 9| 0| 2| 3| 4| 5| 6| 7| 8| 9| 6| 7| 8| 0| 5| 6| 7| 8| 9| 0| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Toxic Hepatopathy | 3 3 3 2 3 2 2 2 2 1 1 2 3 1 2 2 1 1 2 2 2| Bile Duct, Fibrosis | 1 2 | Bile Duct, Hyperplasia | 2 1 2 1 2 1 2 2 2 1 2 2 1 1 1 1 1 1 2| Centrilobular, Degeneration | 2 | Hepatocyte, Hypertrophy | 1 2 2 2 3 1 1 1 1 3 1 1 3 4 1 3 1 | Hepatocyte, Multinucleated | 2 2 1 1 1 2 1 2 1 3 1 2 1 2 1 1 1 | Hepatocyte, Centrilobular, Atrophy | 2 | Oval Cell, Hyperplasia | 2 1 2 1 1 1 3 2 2 3 1 1 1 1 2 1 2| Portal, Fibrosis | 2 1 2 | |__________________________________________________________________________| Mesentery | + + | Artery, Inflammation, Chronic Active | | Fat, Necrosis | 3 | |__________________________________________________________________________| Oral Mucosa | + + + + + + + + | Gingival, Hyperplasia, Squamous | 3 2 2 2 2 1 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | Acinus, Atrophy | 1 | Acinus, Hyperplasia | 2 3 | Acinus, Vacuolization Cytoplasmic | 1 1 1 2 2 1 1 1 | Artery, Inflammation, Chronic Active | | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + M + + + + + + + + + + + +| Atrophy | 2 | |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Erosion | 2 | Hyperkeratosis | 2 2 | Hyperplasia, Squamous | 3 3 3 | Inflammation | | Ulcer | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Metaplasia | 2 | Mineralization | 2 2 1 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 86 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 6| 5| 6| 3| 7| 7| 4| 5| 5| 7| 1| 7| 6| 7| 1| 6| 3| 7| 7| 7| DAY ON TEST | 3| 0| 3| 3| 7| 5| 1| 7| 4| 3| 3| 7| 8| 9| 0| 4| 3| 9| 3| 8| 5| 1| 3| 3| 3| | 3| 8| 1| 1| 3| 9| 8| 2| 1| 1| 1| 4| 9| 0| 1| 1| 3| 4| 1| 5| 7| 7| 3| 2| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 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| 46 NG/KG | 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 3| 4| 4| 4| 4| 4| 5| | 1| 2| 5| 6| 7| 9| 0| 2| 3| 4| 5| 6| 7| 8| 9| 6| 7| 8| 0| 5| 6| 7| 8| 9| 0| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Tooth | + + + + + + + | Peridontal Tissue, Inflammation | 3 3 1 2 4 1 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| Aorta, Mineralization | 2 | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1| Mineralization | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 2 2 2 1 2 2 2| Atrophy | 3 1 | Degeneration, Cystic | 2 2 2 2 2 2 | Hyperplasia | 3 3 2 3 3 2 2 3 2 2 2 2 1 | Hypertrophy | 3 2 1 3 3 1 2 2 2 2 2 1 1 3 3 1 4 2 2| Necrosis | 3 | Vacuolization Cytoplasmic | 1 2 2 2 1 1 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 2 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + M + M + + M + + M + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 2 2 2 1 2 2 2 3 | Cytoplasmic Alteration | | Vacuolization Cytoplasmic | 2 | Pars Distalis, Hyperplasia | 3 3 4 1 2 3 3 2 3 3| Pars Intermedia, Hyperplasia | | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 87 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 6| 5| 6| 3| 7| 7| 4| 5| 5| 7| 1| 7| 6| 7| 1| 6| 3| 7| 7| 7| DAY ON TEST | 3| 0| 3| 3| 7| 5| 1| 7| 4| 3| 3| 7| 8| 9| 0| 4| 3| 9| 3| 8| 5| 1| 3| 3| 3| | 3| 8| 1| 1| 3| 9| 8| 2| 1| 1| 1| 4| 9| 0| 1| 1| 3| 4| 1| 5| 7| 7| 3| 2| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 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| 46 NG/KG | 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 3| 4| 4| 4| 4| 4| 5| | 1| 2| 5| 6| 7| 9| 0| 2| 3| 4| 5| 6| 7| 8| 9| 6| 7| 8| 0| 5| 6| 7| 8| 9| 0| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Angiectasis | 2 | C-Cell, Hyperplasia | 2 1 2 1 3 | Follicular Cell, Hypertrophy | 1 1 1 1 2| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + M + + + +| Inflammation | 2 1 1 3 3 2 2 2 1 4 | Duct, Cyst | 3 3 3 4 1 3 3 3 2 3 3 2 3 1 2 2 1 1 3 3| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4| Cyst | 2 2 2 2 2 2 3| Fibrosis | 2 | Inflammation, Suppurative | 2| |__________________________________________________________________________| Oviduct | | Necrosis | | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenomyosis | | Inflammation, Chronic Active | | Inflammation, Suppurative | 1 3 3 3 1 2 2 | Metaplasia, Squamous | 2 4 1 3 2 2 2 4 4 3 1 3 2 3 | Cervix, Hyperplasia, Stromal | | Cervix, Inflammation, Suppurative | 3 | Endometrium, Hyperplasia, Cystic | 2 1 2 2 2 2 3 2 2 1 3 4 1 3 1 2| |__________________________________________________________________________| Vagina | + | Cyst | 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 3 3 3 3 3 3 3 3 3 4 3 4 4 4 2 2 2| __________________________________________|__________________________________________________________________________| Page 88 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 6| 5| 6| 3| 7| 7| 4| 5| 5| 7| 1| 7| 6| 7| 1| 6| 3| 7| 7| 7| DAY ON TEST | 3| 0| 3| 3| 7| 5| 1| 7| 4| 3| 3| 7| 8| 9| 0| 4| 3| 9| 3| 8| 5| 1| 3| 3| 3| | 3| 8| 1| 1| 3| 9| 8| 2| 1| 1| 1| 4| 9| 0| 1| 1| 3| 4| 1| 5| 7| 7| 3| 2| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 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| 46 NG/KG | 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 3| 4| 4| 4| 4| 4| 5| | 1| 2| 5| 6| 7| 9| 0| 2| 3| 4| 5| 6| 7| 8| 9| 6| 7| 8| 0| 5| 6| 7| 8| 9| 0| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | |__________________________________________________________________________| Lymph Node | + + + + | Inguinal, Ectasia | 2 | Mediastinal, Congestion | | Mediastinal, Ectasia | 2 | Mediastinal, Hyperplasia, Histiocytic| | Mediastinal, Hyperplasia | | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + M + + + + + + + + + + + +| Ectasia | 2 | Hyperplasia, Plasma Cell | 2 3 2 2 2 3 2 2 2| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 | Hyperplasia, Histiocytic | | Hyperplasia, Plasma Cell | 3 | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 2 2 1 2 2 1 1 1 2 1 1 2 2 3 2 1 1 1 1 1| Pigmentation | 2 3 1 1 2 2 1 2 1 2 2 1 2 1 1 1 1 1 2 1 2 2 2 2| Lymphoid Follicle, Atrophy | | |__________________________________________________________________________| Thymus | + M + + + + + + + + + + + + M + + + + + + + + + +| Atrophy | 4 4 4 4 3 4 4 2 2 4 3 3 3 4 4 4 4 4 4 4 4| Cyst | 3 | Inflammation, Chronic Active | 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hyperplasia | 2 2 1 1 1 1 1 1 1 1 | Inflammation, Chronic Active | | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | 2 | Ulcer | 2 | __________________________________________|__________________________________________________________________________| Page 89 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 6| 5| 6| 3| 7| 7| 4| 5| 5| 7| 1| 7| 6| 7| 1| 6| 3| 7| 7| 7| DAY ON TEST | 3| 0| 3| 3| 7| 5| 1| 7| 4| 3| 3| 7| 8| 9| 0| 4| 3| 9| 3| 8| 5| 1| 3| 3| 3| | 3| 8| 1| 1| 3| 9| 8| 2| 1| 1| 1| 4| 9| 0| 1| 1| 3| 4| 1| 5| 7| 7| 3| 2| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 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| 46 NG/KG | 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 3| 4| 4| 4| 4| 4| 5| | 1| 2| 5| 6| 7| 9| 0| 2| 3| 4| 5| 6| 7| 8| 9| 6| 7| 8| 0| 5| 6| 7| 8| 9| 0| __________________________________________|__________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 3 | Mineralization | 1 | Artery, Thrombosis | 3 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | 2 | Infiltration Cellular, Histiocyte | 2 1 2 2 2 2 1 2 1 2 2 2 2 2 1 2 2 2 2 2 3 2| Metaplasia, Squamous | | Mineralization | 1 | Alveolar Epithelium, Metaplasia, | | Bronchiolar | 1 2 2 2 1 1 2 1 3 2 2 3 2 1 2 1 1 2 2 2| |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst, Squamous | | Inflammation | 2 3 2 2 1 | Goblet Cell, Septum, Hyperplasia | | Nasolacrimal Duct, Respiratory | | Epithelium, Hyperplasia | 2 | Olfactory Epithelium, Degeneration | 2 | Olfactory Epithelium, Inflammation | 3 | Respiratory Epithelium, Cyst | 2 | Respiratory Epithelium, Hyperplasia | 2 2 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Lens, Degeneration | | Retina, Atrophy | 2 3 | __________________________________________|__________________________________________________________________________| Page 90 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 6| 5| 6| 3| 7| 7| 4| 5| 5| 7| 1| 7| 6| 7| 1| 6| 3| 7| 7| 7| DAY ON TEST | 3| 0| 3| 3| 7| 5| 1| 7| 4| 3| 3| 7| 8| 9| 0| 4| 3| 9| 3| 8| 5| 1| 3| 3| 3| | 3| 8| 1| 1| 3| 9| 8| 2| 1| 1| 1| 4| 9| 0| 1| 1| 3| 4| 1| 5| 7| 7| 3| 2| 2| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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 | 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| 46 NG/KG | 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 3| 4| 4| 4| 4| 4| 5| | 1| 2| 5| 6| 7| 9| 0| 2| 3| 4| 5| 6| 7| 8| 9| 6| 7| 8| 0| 5| 6| 7| 8| 9| 0| __________________________________________|__________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | Retina, Degeneration | | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 1 1 1 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | X | Casts Protein | | Cyst | 2 | Inflammation, Chronic Active | | Inflammation, Suppurative | 3 | Mineralization | 1 1 2 1 1 1 1 1 1 1 3 1 1 1 3 1 1 1| Necrosis | | Nephropathy | 1 2 1 1 1 2 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1| Pelvis, Dilatation | 3 | Pelvis, Inflammation | 2 2 | Transitional Epithelium, Hyperplasia | 2 3 2 2 1 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 2 1 2 2 3 1| Transitional Epithelium, Hyperplasia | 2 2 2 2 | __________________________________________|__________________________________________________________________________ Page 91 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 5| 5| 7| 7| 7| 7| 7| 4| 4| 6| 6| 7| 6| 7| 6| 7| 6| 7| 5| 4| 6| 3| 7| 7| 7| DAY ON TEST | 9| 7| 3| 3| 3| 3| 3| 4| 8| 2| 7| 3| 4| 3| 8| 3| 7| 2| 5| 8| 7| 9| 3| 3| 0| | 9| 8| 1| 1| 1| 2| 3| 4| 6| 1| 3| 3| 5| 1| 3| 2| 5| 0| 7| 6| 7| 6| 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| SPRAGUE-DAWLEY 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 | 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| 46 NG/KG | 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 4| 5| 2| 3| 4| 5| 6| 7| 9| 0| 1| 2| 4| 5| 7| 8| 9| 1| 2| 3| 7| 8| 9| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| Muscularis, Inflammation | | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X | |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 2 | Basophilic Focus | X X | Basophilic Focus, Multiple | X | Cholangiofibrosis | 4 1 2 4 2 | Clear Cell Focus | X | Clear Cell Focus, Multiple | | Eosinophilic Focus | X X X | Eosinophilic Focus, Multiple | X X X X X X X X X X X X| Fatty Change, Diffuse | 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1| Fatty Change, Focal | 1 | Hematopoietic Cell Proliferation | 2 | Hemorrhage | | Hepatodiaphragmatic Nodule | | Hyperplasia, Nodular | X X X| Inflammation | 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 2 1 1 1 2 1 1 1 1| Mitotic Alteration | | Mixed Cell Focus | X X | Mixed Cell Focus, Multiple | X X X X X X X X X X X X X| Necrosis | 2 3 2 1 | Pigmentation | 2 2 2 2 2 2 2 2 1 2 3 2 2 2 3 2 2 3 3 2 2 1 2 2 1| __________________________________________|__________________________________________________________________________| Page 92 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 5| 5| 7| 7| 7| 7| 7| 4| 4| 6| 6| 7| 6| 7| 6| 7| 6| 7| 5| 4| 6| 3| 7| 7| 7| DAY ON TEST | 9| 7| 3| 3| 3| 3| 3| 4| 8| 2| 7| 3| 4| 3| 8| 3| 7| 2| 5| 8| 7| 9| 3| 3| 0| | 9| 8| 1| 1| 1| 2| 3| 4| 6| 1| 3| 3| 5| 1| 3| 2| 5| 0| 7| 6| 7| 6| 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| SPRAGUE-DAWLEY 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 | 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| 46 NG/KG | 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 4| 5| 2| 3| 4| 5| 6| 7| 9| 0| 1| 2| 4| 5| 7| 8| 9| 1| 2| 3| 7| 8| 9| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Toxic Hepatopathy | 2 2 2 2 2 1 2 1 1 2 1 1 1 3 3 2 1 2 1 1 1| Bile Duct, Fibrosis | 1 | Bile Duct, Hyperplasia | 2 1 1 1 2 1 1 2 1 1 2 1 2 1 2 1 1 1 1 | Centrilobular, Degeneration | 2 2 | Hepatocyte, Hypertrophy | 3 2 2 3 2 2 3 3 2 1 1 2 2 3 2 3 1 3 1 2 2| Hepatocyte, Multinucleated | 1 1 1 1 1 1 2 1 1 1 2 2 2 1 1 1| Hepatocyte, Centrilobular, Atrophy | | Oval Cell, Hyperplasia | 2 2 2 1 2 1 1 1 1 1 1 1 1 2 1 2 1 2 1 1 | Portal, Fibrosis | 1 3 | |__________________________________________________________________________| Mesentery | + + | Artery, Inflammation, Chronic Active | 2 3 | Fat, Necrosis | | |__________________________________________________________________________| Oral Mucosa | + + + + + + + + + + + +| Gingival, Hyperplasia, Squamous | 3 2 2 3 2 4 1 2| |__________________________________________________________________________| Pancreas | M + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 1 2 1 | Acinus, Atrophy | 2 2 | Acinus, Hyperplasia | | Acinus, Vacuolization Cytoplasmic | 1 1 1 1 1 1 1 | Artery, Inflammation, Chronic Active | 3 3 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + M + + + + + + + + + + + + + + +| Atrophy | | |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Erosion | | Hyperkeratosis | | Hyperplasia, Squamous | 1 2 2 | Inflammation | 1 2 | Ulcer | 2 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Metaplasia | | Mineralization | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 93 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 5| 5| 7| 7| 7| 7| 7| 4| 4| 6| 6| 7| 6| 7| 6| 7| 6| 7| 5| 4| 6| 3| 7| 7| 7| DAY ON TEST | 9| 7| 3| 3| 3| 3| 3| 4| 8| 2| 7| 3| 4| 3| 8| 3| 7| 2| 5| 8| 7| 9| 3| 3| 0| | 9| 8| 1| 1| 1| 2| 3| 4| 6| 1| 3| 3| 5| 1| 3| 2| 5| 0| 7| 6| 7| 6| 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| SPRAGUE-DAWLEY 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 | 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| 46 NG/KG | 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 4| 5| 2| 3| 4| 5| 6| 7| 9| 0| 1| 2| 4| 5| 7| 8| 9| 1| 2| 3| 7| 8| 9| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Tooth | + + + + + + +| Peridontal Tissue, Inflammation | 1 1 2 1 1 1 1| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| Aorta, Mineralization | | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 1 1 1 2 1 1 1 2 1 | Mineralization | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 1 1 1 1 2 | Atrophy | 1 1 1| Degeneration, Cystic | 1 3 2 3 3 2 1 3 2| Hyperplasia | 3 3 2 1 2 3 2 3 2 2 3 2 3 2 | Hypertrophy | 2 1 2 2 2 2 2 2 3 2 1 2 3 3 1 3 2 2 2 1 2 2 3| Necrosis | 2 3 | Vacuolization Cytoplasmic | 2 3 1 2 2 1 1 2 1 2 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 3 2 2 3 | |__________________________________________________________________________| Islets, Pancreatic | M + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | M + + + + + + + + + M + + + + M + + + M + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 2 2 2 2 2 1 1 1 2| Cytoplasmic Alteration | 2 2 2 | Vacuolization Cytoplasmic | 3 | Pars Distalis, Hyperplasia | 2 4 2 2 3 2 2 2 1 3 1 2 3 3 2| Pars Intermedia, Hyperplasia | 2 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 94 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 5| 5| 7| 7| 7| 7| 7| 4| 4| 6| 6| 7| 6| 7| 6| 7| 6| 7| 5| 4| 6| 3| 7| 7| 7| DAY ON TEST | 9| 7| 3| 3| 3| 3| 3| 4| 8| 2| 7| 3| 4| 3| 8| 3| 7| 2| 5| 8| 7| 9| 3| 3| 0| | 9| 8| 1| 1| 1| 2| 3| 4| 6| 1| 3| 3| 5| 1| 3| 2| 5| 0| 7| 6| 7| 6| 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| SPRAGUE-DAWLEY 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 | 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| 46 NG/KG | 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 4| 5| 2| 3| 4| 5| 6| 7| 9| 0| 1| 2| 4| 5| 7| 8| 9| 1| 2| 3| 7| 8| 9| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Angiectasis | 2 2 2 | C-Cell, Hyperplasia | 2 1 1 1 2 2 3 2 1| Follicular Cell, Hypertrophy | 1 1 2 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + M + + + + + + + + + + + + + + + + +| Inflammation | 3 2 2 2 1 2 1 2 2 1 1 1 1 1 1| Duct, Cyst | 1 1 3 2 2 2 2 1 1 3 2 2 2 3 3 2 3 2 2 2| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 4 4 4 3 4 4 4 4 4 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4| Cyst | 2 4 2 2 2 2 | Fibrosis | | Inflammation, Suppurative | | |__________________________________________________________________________| Oviduct | + | Necrosis | 4 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Adenomyosis | 2 | Inflammation, Chronic Active | 3 4 3 | Inflammation, Suppurative | 3 3 1 3 | Metaplasia, Squamous | 4 3 2 4 3 2 2 2 3 1 3 4 2 3 2 2| Cervix, Hyperplasia, Stromal | 4 | Cervix, Inflammation, Suppurative | | Endometrium, Hyperplasia, Cystic | 2 2 2 1 2 2 1 2 1 3 3 2 1| |__________________________________________________________________________| Vagina | + + | Cyst | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 3 3 3 3 3 3 3 4 2 4 3 4 3 3 2 2| __________________________________________|__________________________________________________________________________| Page 95 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 5| 5| 7| 7| 7| 7| 7| 4| 4| 6| 6| 7| 6| 7| 6| 7| 6| 7| 5| 4| 6| 3| 7| 7| 7| DAY ON TEST | 9| 7| 3| 3| 3| 3| 3| 4| 8| 2| 7| 3| 4| 3| 8| 3| 7| 2| 5| 8| 7| 9| 3| 3| 0| | 9| 8| 1| 1| 1| 2| 3| 4| 6| 1| 3| 3| 5| 1| 3| 2| 5| 0| 7| 6| 7| 6| 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| SPRAGUE-DAWLEY 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 | 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| 46 NG/KG | 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 4| 5| 2| 3| 4| 5| 6| 7| 9| 0| 1| 2| 4| 5| 7| 8| 9| 1| 2| 3| 7| 8| 9| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | |__________________________________________________________________________| Lymph Node | + + | Inguinal, Ectasia | | Mediastinal, Congestion | 2 | Mediastinal, Ectasia | | Mediastinal, Hyperplasia, Histiocytic| 2 | Mediastinal, Hyperplasia | 4 | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + M + + + + + + + + + + + + + + +| Ectasia | | Hyperplasia, Plasma Cell | 3 2 2 2 2 | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Hyperplasia, Histiocytic | 3 | Hyperplasia, Plasma Cell | | |__________________________________________________________________________| Spleen | M + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 1 1 1 1 2 2 1 1 1 2 1 1 2 3 1 3 1 3 1 1 1| Pigmentation | 2 2 1 1 2 1 1 2 1 2 1 2 3 2 2 1 1 1 2 2 2 2| Lymphoid Follicle, Atrophy | 2 | |__________________________________________________________________________| Thymus | + + + M + + + M + + M + + + + + + M + + + + + + +| Atrophy | 4 4 4 3 3 4 2 4 2 3 4 4 4 4 4 4 4 2 4 4 4| Cyst | | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 | Hyperplasia | 1 1 1 1 1 1 2 | Inflammation, Chronic Active | 3 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | | Ulcer | | __________________________________________|__________________________________________________________________________| Page 96 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 5| 5| 7| 7| 7| 7| 7| 4| 4| 6| 6| 7| 6| 7| 6| 7| 6| 7| 5| 4| 6| 3| 7| 7| 7| DAY ON TEST | 9| 7| 3| 3| 3| 3| 3| 4| 8| 2| 7| 3| 4| 3| 8| 3| 7| 2| 5| 8| 7| 9| 3| 3| 0| | 9| 8| 1| 1| 1| 2| 3| 4| 6| 1| 3| 3| 5| 1| 3| 2| 5| 0| 7| 6| 7| 6| 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| SPRAGUE-DAWLEY 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 | 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| 46 NG/KG | 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 4| 5| 2| 3| 4| 5| 6| 7| 9| 0| 1| 2| 4| 5| 7| 8| 9| 1| 2| 3| 7| 8| 9| __________________________________________|__________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | Mineralization | 1 | Artery, Thrombosis | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | | Infiltration Cellular, Histiocyte | 2 1 2 2 2 2 1 2 2 2 2 2 2 2 2 1 2 1 1 1 1 2 1 1| Metaplasia, Squamous | 1 1 4 2 3 | Mineralization | | Alveolar Epithelium, Metaplasia, | | Bronchiolar | 2 1 3 2 1 2 1 1 2 3 2 2 2 2 1 2 1 1 1 3 1 1| |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst, Squamous | 3 | Inflammation | | Goblet Cell, Septum, Hyperplasia | 2 | Nasolacrimal Duct, Respiratory | | Epithelium, Hyperplasia | | Olfactory Epithelium, Degeneration | | Olfactory Epithelium, Inflammation | | Respiratory Epithelium, Cyst | | Respiratory Epithelium, Hyperplasia | | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Lens, Degeneration | 4 | Retina, Atrophy | 2 2 | __________________________________________|__________________________________________________________________________| Page 97 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 5| 5| 7| 7| 7| 7| 7| 4| 4| 6| 6| 7| 6| 7| 6| 7| 6| 7| 5| 4| 6| 3| 7| 7| 7| DAY ON TEST | 9| 7| 3| 3| 3| 3| 3| 4| 8| 2| 7| 3| 4| 3| 8| 3| 7| 2| 5| 8| 7| 9| 3| 3| 0| | 9| 8| 1| 1| 1| 2| 3| 4| 6| 1| 3| 3| 5| 1| 3| 2| 5| 0| 7| 6| 7| 6| 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| SPRAGUE-DAWLEY 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 | 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| 46 NG/KG | 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| | 1| 2| 4| 5| 2| 3| 4| 5| 6| 7| 9| 0| 1| 2| 4| 5| 7| 8| 9| 1| 2| 3| 7| 8| 9| __________________________________________|__________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | Retina, Degeneration | 3 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 2 1 1 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | 2 | Casts Protein | 1 | Cyst | | Inflammation, Chronic Active | 2 | Inflammation, Suppurative | | Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | Necrosis | 2 | Nephropathy | 1 1 2 1 1 2 1 2 2 2 2 3 2 1 1| Pelvis, Dilatation | 3 | Pelvis, Inflammation | 3 2 | Transitional Epithelium, Hyperplasia | 3 1 3 1 3 1 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 2 3 | Transitional Epithelium, Hyperplasia | 2 3 | __________________________________________|__________________________________________________________________________ Page 98 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 6| | | DAY ON TEST | 3| 3| 4| | | | 3| 3| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| | A | 46 NG/KG | 9| 9| 9| | L | | 0| 6| 7| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + | 53 | Muscularis, Inflammation | | 2 1.5| |__________________________________________________________________________|____________| Intestine Large, Colon | + + + | 53 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + | 53 | Parasite Metazoan | X | 2 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + | 53 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + | 53 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + | 53 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + | 53 | |__________________________________________________________________________|____________| Liver | + + + | 53 | Angiectasis | 2 | 3 1.7| Basophilic Focus | X | 3 | Basophilic Focus, Multiple | | 2 | Cholangiofibrosis | | 11 2.5| Clear Cell Focus | | 1 | Clear Cell Focus, Multiple | X | 1 | Eosinophilic Focus | X | 5 | Eosinophilic Focus, Multiple | X | 22 | Fatty Change, Diffuse | 1 1 | 30 1.2| Fatty Change, Focal | | 1 1.0| Hematopoietic Cell Proliferation | | 2 2.0| Hemorrhage | | 1 3.0| Hepatodiaphragmatic Nodule | | 2 | Hyperplasia, Nodular | | 7 | Inflammation | 1 1 1 | 52 1.2| Mitotic Alteration | | 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 99 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 6| | | DAY ON TEST | 3| 3| 4| | | | 3| 3| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| | A | 46 NG/KG | 9| 9| 9| | L | | 0| 6| 7| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Mixed Cell Focus | | 2 | Mixed Cell Focus, Multiple | X X | 28 | Necrosis | | 10 1.9| Pigmentation | 2 2 2 | 52 2.0| Toxic Hepatopathy | 1 1 1 | 45 1.8| Bile Duct, Fibrosis | | 3 1.3| Bile Duct, Hyperplasia | 2 2 | 40 1.4| Centrilobular, Degeneration | | 3 2.0| Hepatocyte, Hypertrophy | 1 2 3 | 41 2.0| Hepatocyte, Multinucleated | 1 1 2 | 36 1.4| Hepatocyte, Centrilobular, Atrophy | | 1 2.0| Oval Cell, Hyperplasia | 2 | 38 1.5| Portal, Fibrosis | | 5 1.8| |__________________________________________________________________________|____________| Mesentery | + + | 6 | Artery, Inflammation, Chronic Active | 2 2 | 4 2.3| Fat, Necrosis | | 1 3.0| |__________________________________________________________________________|____________| Oral Mucosa | + + | 22 | Gingival, Hyperplasia, Squamous | 2 | 15 2.2| |__________________________________________________________________________|____________| Pancreas | + + + | 52 | Inflammation, Chronic Active | | 3 1.3| Acinus, Atrophy | 1 | 4 1.5| Acinus, Hyperplasia | | 2 2.5| Acinus, Vacuolization Cytoplasmic | | 15 1.1| Artery, Inflammation, Chronic Active | | 2 3.0| |__________________________________________________________________________|____________| Salivary Glands | + + + | 51 | Atrophy | | 1 2.0| |__________________________________________________________________________|____________| Stomach, Forestomach | + + + | 53 | Erosion | | 1 2.0| Hyperkeratosis | | 2 2.0| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 100 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 6| | | DAY ON TEST | 3| 3| 4| | | | 3| 3| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| | A | 46 NG/KG | 9| 9| 9| | L | | 0| 6| 7| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Hyperplasia, Squamous | 1 | 7 2.1| Inflammation | | 2 1.5| Ulcer | | 1 2.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + | 53 | Metaplasia | | 1 2.0| Mineralization | | 3 1.7| |__________________________________________________________________________|____________| Tooth | | 14 | Peridontal Tissue, Inflammation | | 14 1.6| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + | 53 | Aorta, Mineralization | | 1 2.0| |__________________________________________________________________________|____________| Heart | + + + | 53 | Cardiomyopathy | 1 1 1 | 32 1.1| Mineralization | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + | 53 | Angiectasis | 2 1 | 17 1.6| Atrophy | | 5 1.4| Degeneration, Cystic | 3 3 | 17 2.2| Hyperplasia | 2 3 | 29 2.3| Hypertrophy | 2 4 3 | 45 2.1| Necrosis | | 3 2.7| Vacuolization Cytoplasmic | | 18 1.7| |__________________________________________________________________________|____________| Adrenal Medulla | + + + | 53 | Hyperplasia | 3 3 | 10 2.4| |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 101 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 6| | | DAY ON TEST | 3| 3| 4| | | | 3| 3| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| | A | 46 NG/KG | 9| 9| 9| | L | | 0| 6| 7| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | Islets, Pancreatic | + + + | 52 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + | 45 | |__________________________________________________________________________|____________| Pituitary Gland | + + + | 53 | Angiectasis | 3 3 | 21 1.9| Cytoplasmic Alteration | | 3 2.0| Vacuolization Cytoplasmic | | 2 2.5| Pars Distalis, Hyperplasia | 2 | 26 2.4| Pars Intermedia, Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + | 53 | Angiectasis | | 4 2.0| C-Cell, Hyperplasia | 3 3 | 16 1.9| Follicular Cell, Hypertrophy | | 10 1.2| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + | 51 | Inflammation | 1 1 1 | 28 1.7| Duct, Cyst | 2 | 41 2.2| |__________________________________________________________________________|____________| Ovary | + + + | 53 | Atrophy | 4 4 4 | 50 4.0| Cyst | 2 | 14 2.2| Fibrosis | | 1 2.0| Inflammation, Suppurative | | 1 2.0| |__________________________________________________________________________|____________| Oviduct | | 1 | Necrosis | | 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 102 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 6| | | DAY ON TEST | 3| 3| 4| | | | 3| 3| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| | A | 46 NG/KG | 9| 9| 9| | L | | 0| 6| 7| | | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM - cont | | | Uterus | + + + | 53 | Adenomyosis | | 1 2.0| Inflammation, Chronic Active | | 3 3.3| Inflammation, Suppurative | | 11 2.3| Metaplasia, Squamous | 1 2 | 32 2.5| Cervix, Hyperplasia, Stromal | | 1 4.0| Cervix, Inflammation, Suppurative | | 1 3.0| Endometrium, Hyperplasia, Cystic | 3 3 | 31 2.0| |__________________________________________________________________________|____________| Vagina | | 3 | Cyst | | 1 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + | 53 | Hyperplasia | 2 2 | 37 2.9| |__________________________________________________________________________|____________| Lymph Node | | 6 | Inguinal, Ectasia | | 1 2.0| Mediastinal, Congestion | | 1 2.0| Mediastinal, Ectasia | | 1 2.0| Mediastinal, Hyperplasia, Histiocytic| | 1 2.0| Mediastinal, Hyperplasia | | 1 4.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + | 51 | Ectasia | | 1 2.0| Hyperplasia, Plasma Cell | 3 | 15 2.3| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + | 53 | Hemorrhage | | 1 3.0| Hyperplasia, Histiocytic | | 1 3.0| Hyperplasia, Plasma Cell | | 1 3.0| |__________________________________________________________________________|____________| Spleen | + + + | 52 | _____________________________________________________________________________________________________________________|____________| * : 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 103 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 6| | | DAY ON TEST | 3| 3| 4| | | | 3| 3| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| | A | 46 NG/KG | 9| 9| 9| | L | | 0| 6| 7| | | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | Hematopoietic Cell Proliferation | 1 1 | 44 1.5| Pigmentation | 2 2 2 | 49 1.6| Lymphoid Follicle, Atrophy | | 1 2.0| |__________________________________________________________________________|____________| Thymus | + M + | 46 | Atrophy | 2 4 | 44 3.6| Cyst | | 1 3.0| Inflammation, Chronic Active | | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + | 53 | Cyst | | 1 2.0| Hyperplasia | 2 | 18 1.2| Inflammation, Chronic Active | | 1 3.0| |__________________________________________________________________________|____________| Skin | + + + | 53 | Hyperplasia, Squamous | | 1 2.0| Ulcer | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + | 53 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + | 53 | Inflammation, Suppurative | | 1 3.0| Mineralization | | 2 1.0| Artery, Thrombosis | | 1 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + | 53 | _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 104 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 6| | | DAY ON TEST | 3| 3| 4| | | | 3| 3| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| | A | 46 NG/KG | 9| 9| 9| | L | | 0| 6| 7| | | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | Edema | | 1 2.0| Infiltration Cellular, Histiocyte | 2 2 2 | 49 1.8| Metaplasia, Squamous | | 5 2.2| Mineralization | | 1 1.0| Alveolar Epithelium, Metaplasia, | | | Bronchiolar | 3 1 2 | 45 1.7| |__________________________________________________________________________|____________| Nose | + + + | 53 | Cyst, Squamous | | 1 3.0| Inflammation | | 5 2.0| Goblet Cell, Septum, Hyperplasia | | 1 2.0| Nasolacrimal Duct, Respiratory | | | Epithelium, Hyperplasia | | 1 2.0| Olfactory Epithelium, Degeneration | | 1 2.0| Olfactory Epithelium, Inflammation | | 1 3.0| Respiratory Epithelium, Cyst | 2 | 2 2.0| Respiratory Epithelium, Hyperplasia | | 2 2.0| |__________________________________________________________________________|____________| Trachea | + + + | 53 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + | 53 | Lens, Degeneration | | 1 4.0| Retina, Atrophy | | 4 2.3| Retina, Degeneration | | 1 3.0| |__________________________________________________________________________|____________| Harderian Gland | + + + | 53 | Inflammation | | 8 1.1| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + | 53 | Calculus Micro Observation Only | | 2 2.0| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 105 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 6| | | DAY ON TEST | 3| 3| 4| | | | 3| 3| 2| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| | A | 46 NG/KG | 9| 9| 9| | L | | 0| 6| 7| | | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM - cont | | | Casts Protein | | 1 1.0| Cyst | | 1 2.0| Inflammation, Chronic Active | | 1 2.0| Inflammation, Suppurative | | 1 3.0| Mineralization | 1 1 1 | 42 1.1| Necrosis | | 1 2.0| Nephropathy | 1 2 2 | 39 1.4| Pelvis, Dilatation | | 2 3.0| Pelvis, Inflammation | | 4 2.3| Transitional Epithelium, Hyperplasia | | 11 2.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + | 53 | Inflammation | | 8 2.0| Transitional Epithelium, Hyperplasia | | 6 2.2| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 106 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 6| 6| 5| 6| 6| 7| 6| 7| 7| 6| 7| 7| 7| 4| 7| 6| 3| 7| 7| 6| 6| 6| 7| 6| DAY ON TEST | 3| 4| 5| 8| 6| 1| 3| 1| 3| 3| 3| 2| 1| 3| 7| 0| 1| 9| 3| 3| 0| 9| 1| 3| 6| | 2| 1| 2| 1| 8| 0| 1| 0| 3| 1| 8| 1| 6| 3| 4| 1| 2| 6| 1| 1| 4| 3| 4| 2| 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| SPRAGUE-DAWLEY 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| 100 | 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 8| 8| 8| 8| 8| 8| 8| NG/KG | 6| 7| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 4| 5| 1| 3| 4| 5| 6| 7| 9| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + M + + +| Parasite Metazoan | | |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | | |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + M + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + M + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Basophilic Focus | X | Basophilic Focus, Multiple | X X X X | Cholangiofibrosis | 2 3 3 1 2 2 2 2 2 2 2 2 1 2 3| Clear Cell Focus | | Clear Cell Focus, Multiple | X | Congestion | 2 2 | Cytoplasmic Alteration | 2 | Degeneration, Cystic | 2 | Eosinophilic Focus | X| Eosinophilic Focus, Multiple | X X X X X X X X X X X X X X X X X X | Fatty Change, Diffuse | 2 2 1 2 2 2 2 2 1 2 1 3 2 2 2 2 2 2 2 2 2 2| Fatty Change, Focal | 1 | Hematopoietic Cell Proliferation | 2 | Hyperplasia, Nodular | X X X X X X X X X X X X X X X X X X| Inflammation | 1 1 2 1 1 1 1 1 1 2 3 1 1 1 1 1 2 1 1 1 1 2 1 1| Mixed Cell Focus | X| Mixed Cell Focus, Multiple | X X X X X X X X X | Necrosis | 2 3 2 3 2 2 3 2| __________________________________________|__________________________________________________________________________| Page 107 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 6| 6| 5| 6| 6| 7| 6| 7| 7| 6| 7| 7| 7| 4| 7| 6| 3| 7| 7| 6| 6| 6| 7| 6| DAY ON TEST | 3| 4| 5| 8| 6| 1| 3| 1| 3| 3| 3| 2| 1| 3| 7| 0| 1| 9| 3| 3| 0| 9| 1| 3| 6| | 2| 1| 2| 1| 8| 0| 1| 0| 3| 1| 8| 1| 6| 3| 4| 1| 2| 6| 1| 1| 4| 3| 4| 2| 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| SPRAGUE-DAWLEY 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| 100 | 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 8| 8| 8| 8| 8| 8| 8| NG/KG | 6| 7| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 4| 5| 1| 3| 4| 5| 6| 7| 9| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Pigmentation | 2 3 2 3 2 2 2 3 2 2 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2| Thrombosis | | Toxic Hepatopathy | 3 4 4 4 3 3 4 4 4 3 4 4 4 3 3 3 3 3 3 4 3 4 3 4 4| Artery, Inflammation, Chronic Active | 2 | Bile Duct, Cyst | 3 4 2 2 3 2 4 3 | Bile Duct, Fibrosis | 1 | Bile Duct, Hyperplasia | 2 2 2 3 2 3 2 2 2 2 2 2 2 3 2 2 2 1 1 2 2 3 2 2 2| Centrilobular, Degeneration | 2 2 3| Hepatocyte, Hypertrophy | 2 3 3 4 3 4 3 3 3 3 4 3 3 3 3 3 4 3 3 4 3 3 3 3| Hepatocyte, Multinucleated | 1 1 2 2 2 1 2 2 3 2 2 1 3 1 1 1 1 2 2 1 2 2 2| Oval Cell, Hyperplasia | 2 2 2 2 2 3 3 3 3 2 3 2 2 2 3 2 1 1 2 3 2 3 3 2 3| Portal, Fibrosis | 2 2 2 3 2 2 2 1 2 3 2| |__________________________________________________________________________| Mesentery | + + + + | Artery, Inflammation, Chronic Active | 2 2 3 2 | Fat, Necrosis | | |__________________________________________________________________________| Oral Mucosa | + + + + + + + + + + + + +| Gingival, Hyperplasia, Squamous | 3 2 4 2 1 4 3| |__________________________________________________________________________| Pancreas | + + + + + + + + + + + M + + + + + + + + + + + + +| Hemorrhage | 3 | Inflammation, Chronic Active | 3 2 | Necrosis | 2 | Acinus, Atrophy | 2 2 2 2 1 | Acinus, Vacuolization Cytoplasmic | 2 1 1 2 3 3 2 2 3 1 1 2 3 2 2 2 3 | Artery, Inflammation, Chronic Active | 3 2 3 3 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + M + + + + + + + + + + + +| Inflammation | | |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | | Hyperkeratosis | 2 | Hyperplasia, Squamous | 2 1 2 3 2 2 | Inflammation | 3 | Necrosis | | Ulcer | 3 3 1 | __________________________________________|__________________________________________________________________________| Page 108 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 6| 6| 5| 6| 6| 7| 6| 7| 7| 6| 7| 7| 7| 4| 7| 6| 3| 7| 7| 6| 6| 6| 7| 6| DAY ON TEST | 3| 4| 5| 8| 6| 1| 3| 1| 3| 3| 3| 2| 1| 3| 7| 0| 1| 9| 3| 3| 0| 9| 1| 3| 6| | 2| 1| 2| 1| 8| 0| 1| 0| 3| 1| 8| 1| 6| 3| 4| 1| 2| 6| 1| 1| 4| 3| 4| 2| 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| SPRAGUE-DAWLEY 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| 100 | 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 8| 8| 8| 8| 8| 8| 8| NG/KG | 6| 7| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 4| 5| 1| 3| 4| 5| 6| 7| 9| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Ulcer | 3 2 | |__________________________________________________________________________| Tooth | + + + + + + + + + +| Peridontal Tissue, Inflammation | 2 2 2 2 1 1 1 1 1 3| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + M + + + + + + + + + + + + +| Cardiomyopathy | 1 1 2 3 1 1 1 2 1 1 1 2 1 2 1 2| Artery, Inflammation | 1 | Artery, Thrombosis | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 1 2 2 1 2 | Atrophy | 3 3 1 3 2 4 2 4 1 2 2 4 2| Degeneration, Cystic | 2 2 2 2 2 3 2| Hyperplasia | 3 3 3 4 3 2 2 2 2 2 4 2 2 2 2| Hypertrophy | 3 2 2 4 2 3 2 4 4 3 4 2 1 2 2 2 2 1 4 4| Mineralization | | Necrosis | 3 | Vacuolization Cytoplasmic | 1 2 3 1 3 2 3 3 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 1 2 2 2 1 2 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + M + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + M + + + + + + + M + + M + + + + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + M + + + + + + +| Angiectasis | 2 1 2 | Cyst | 2 | __________________________________________|__________________________________________________________________________| Page 109 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 6| 6| 5| 6| 6| 7| 6| 7| 7| 6| 7| 7| 7| 4| 7| 6| 3| 7| 7| 6| 6| 6| 7| 6| DAY ON TEST | 3| 4| 5| 8| 6| 1| 3| 1| 3| 3| 3| 2| 1| 3| 7| 0| 1| 9| 3| 3| 0| 9| 1| 3| 6| | 2| 1| 2| 1| 8| 0| 1| 0| 3| 1| 8| 1| 6| 3| 4| 1| 2| 6| 1| 1| 4| 3| 4| 2| 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| SPRAGUE-DAWLEY 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| 100 | 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 8| 8| 8| 8| 8| 8| 8| NG/KG | 6| 7| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 4| 5| 1| 3| 4| 5| 6| 7| 9| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Inflammation, Chronic | | Pars Distalis, Hyperplasia | 2 3 1 1 3 1 1 1 1 2 2 2 1| Pars Intermedia, Hyperplasia | | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + M + + + + + + + + + + + +| Angiectasis | | Cyst | | C-Cell, Hyperplasia | 2 1 2 1 3 2 2 2 2 1 2 3 | Follicular Cell, Hypertrophy | 1 1 1 1 2 2 2 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 2 1 1 2 2 2 1 1 1 1| Duct, Cyst | 3 2 2 2 2 2 2 2 2 3 3 3 1 3 2 3 3 2 3 2 2 1| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 4 4 4 4 4 4 4 4 4 3 4 4 4 | Cyst | 2 3 2 2 2 | Inflammation, Chronic Active | 3 | Artery, Inflammation, Chronic Active | | |__________________________________________________________________________| Oviduct | | Inflammation | | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3| Hemorrhage | 3 | Inflammation, Chronic Active | | Inflammation, Suppurative | 1 | Metaplasia, Squamous | 1 1 2 1 1 2 1 | Endometrium, Hyperplasia, Cystic | 2 1 1 2 1 1 3 | |__________________________________________________________________________| Vagina | + | __________________________________________|__________________________________________________________________________| Page 110 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 6| 6| 5| 6| 6| 7| 6| 7| 7| 6| 7| 7| 7| 4| 7| 6| 3| 7| 7| 6| 6| 6| 7| 6| DAY ON TEST | 3| 4| 5| 8| 6| 1| 3| 1| 3| 3| 3| 2| 1| 3| 7| 0| 1| 9| 3| 3| 0| 9| 1| 3| 6| | 2| 1| 2| 1| 8| 0| 1| 0| 3| 1| 8| 1| 6| 3| 4| 1| 2| 6| 1| 1| 4| 3| 4| 2| 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| SPRAGUE-DAWLEY 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| 100 | 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 8| 8| 8| 8| 8| 8| 8| NG/KG | 6| 7| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 4| 5| 1| 3| 4| 5| 6| 7| 9| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 | Hyperplasia | 2 2 3 3 4 2 2 2 2 3 3 3 3 3 3 3 3 4 3 3 3| |__________________________________________________________________________| Lymph Node | + + + | Mediastinal, Ectasia | 2 | Mediastinal, Hemorrhage | 3 2 | Mediastinal, Hyperplasia, Histiocytic| | Mediastinal, Pigmentation | | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + M + + + + + + + + + + + +| Ectasia | 3 3 | Hyperplasia, Lymphoid | 2 2 | Hyperplasia, Plasma Cell | 2 3 2 2 3 2 3 | Inflammation, Suppurative | 2 | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + M + + +| Ectasia | | Hyperplasia, Histiocytic | 3 | |__________________________________________________________________________| Spleen | + + + + + + + + + + + M + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 2 2 2 1 2 2 1 1 1 1 1 3 2 2 2 1 1 2 1 1 1| Hyperplasia, Lymphoid | 2 | Pigmentation | 1 1 1 1 1 2 2 2 1 1 2 2 3 1 1 1 1 1 1 2 2 | Lymphoid Follicle, Atrophy | 2| |__________________________________________________________________________| Thymus | + + M + + + + + + + + + + M M + M + + + + + + M M| Atrophy | 4 4 4 4 4 3 4 4 4 4 4 4 4 4 4 4 4 4 4 | Cyst | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 | Hyperplasia | 1 2 1 1 1 2 2 2 2 1| Inflammation, Granulomatous | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 111 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 6| 6| 5| 6| 6| 7| 6| 7| 7| 6| 7| 7| 7| 4| 7| 6| 3| 7| 7| 6| 6| 6| 7| 6| DAY ON TEST | 3| 4| 5| 8| 6| 1| 3| 1| 3| 3| 3| 2| 1| 3| 7| 0| 1| 9| 3| 3| 0| 9| 1| 3| 6| | 2| 1| 2| 1| 8| 0| 1| 0| 3| 1| 8| 1| 6| 3| 4| 1| 2| 6| 1| 1| 4| 3| 4| 2| 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| SPRAGUE-DAWLEY 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| 100 | 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 8| 8| 8| 8| 8| 8| 8| NG/KG | 6| 7| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 4| 5| 1| 3| 4| 5| 6| 7| 9| __________________________________________|__________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | 3 | Inflammation, Chronic Active | 3 | Epidermis, Inflammation | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fracture | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 | Glial Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + M + + + + + + + + + + + + +| Hemorrhage | 3 2 | Infiltration Cellular, Histiocyte | 2 2 2 2 2 2 2 2 2 2 2 3 2 3 2 2 2 2 2 2 2 2 2 2| Inflammation, Chronic Active | 3 | Metaplasia, Squamous | 1 2 3 3 2| Mineralization | | Necrosis | 4 | Alveolar Epithelium, Metaplasia, | | Bronchiolar | 2 2 1 1 1 2 3 2 3 2 2 2 1 2 3 1 2 2 2 3 2 2 2| |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | | Nasopharyngeal Duct, Inflammation | | Olfactory Epithelium, Inflammation | | Septum, Hyperplasia, Squamous | | Septum, Inflammation | | Turbinate, Hyperplasia, Squamous | | Turbinate, Septum, Inflammation | 3 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 112 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 6| 6| 5| 6| 6| 7| 6| 7| 7| 6| 7| 7| 7| 4| 7| 6| 3| 7| 7| 6| 6| 6| 7| 6| DAY ON TEST | 3| 4| 5| 8| 6| 1| 3| 1| 3| 3| 3| 2| 1| 3| 7| 0| 1| 9| 3| 3| 0| 9| 1| 3| 6| | 2| 1| 2| 1| 8| 0| 1| 0| 3| 1| 8| 1| 6| 3| 4| 1| 2| 6| 1| 1| 4| 3| 4| 2| 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| SPRAGUE-DAWLEY 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| 100 | 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 8| 8| 8| 8| 8| 8| 8| NG/KG | 6| 7| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 4| 5| 1| 3| 4| 5| 6| 7| 9| __________________________________________|__________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | + | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Anterior Chamber, Inflammation, | | Suppurative | | Cornea, Inflammation, Suppurative | | Retina, Atrophy | 2 2 2 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Gross Observation | 4 | Casts Protein | | Cyst | | Inflammation, Suppurative | 3 | Mineralization | 1 1 1 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1| Nephropathy | 3 3 1 2 3 3 3 2 2 2 2 3 2 2 2 2 1 1 2 3 1 3 1 3 2| Pelvis, Inflammation | 3 | Renal Tubule, Degeneration | 2 | Transitional Epithelium, Hyperplasia | 4 2 2 2 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 2 | Metaplasia, Squamous | 3 | Transitional Epithelium, Hyperplasia | 3 | __________________________________________|__________________________________________________________________________ Page 113 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 6| 5| 7| 6| 7| 6| 5| 7| 6| 7| 7| 5| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 6| DAY ON TEST | 3| 1| 4| 6| 3| 4| 3| 7| 9| 3| 3| 2| 3| 9| 3| 5| 3| 3| 3| 3| 2| 3| 4| 3| 4| | 2| 7| 2| 1| 2| 7| 3| 3| 8| 1| 8| 3| 1| 9| 1| 5| 1| 2| 1| 1| 2| 3| 6| 3| 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| SPRAGUE-DAWLEY 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| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 100 | 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 3| 3| 3| 3| 3| 3| 3| NG/KG | 6| 7| 8| 9| 1| 2| 3| 4| 6| 8| 9| 2| 3| 4| 5| 6| 7| 8| 1| 2| 3| 5| 6| 7| 8| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X | |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | | |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 | |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 3 1 | Basophilic Focus | X | Basophilic Focus, Multiple | X | Cholangiofibrosis | 3 2 2 3 3 3 3 2 2 3 3 3 3 3| Clear Cell Focus | X | Clear Cell Focus, Multiple | | Congestion | | Cytoplasmic Alteration | | Degeneration, Cystic | 2 3 2 | Eosinophilic Focus | X | Eosinophilic Focus, Multiple | X X X X X X X X X X X X X X X X X X X X X X| Fatty Change, Diffuse | 3 1 2 2 1 2 2 2 2 1 2 2 1 2 3 2 2 2 2 2 2 2 1| Fatty Change, Focal | 3 | Hematopoietic Cell Proliferation | 2 | Hyperplasia, Nodular | X X X X X X X X X X X X X X X X| Inflammation | 1 1 1 1 1 1 1 1 1 2 2 1 1 3 2 1 2 1 1 2 1 2| Mixed Cell Focus | X X X | Mixed Cell Focus, Multiple | X X X X X X X | Necrosis | 2 3 4 3 3 2 2 3 | __________________________________________|__________________________________________________________________________| Page 114 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 6| 5| 7| 6| 7| 6| 5| 7| 6| 7| 7| 5| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 6| DAY ON TEST | 3| 1| 4| 6| 3| 4| 3| 7| 9| 3| 3| 2| 3| 9| 3| 5| 3| 3| 3| 3| 2| 3| 4| 3| 4| | 2| 7| 2| 1| 2| 7| 3| 3| 8| 1| 8| 3| 1| 9| 1| 5| 1| 2| 1| 1| 2| 3| 6| 3| 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| SPRAGUE-DAWLEY 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| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 100 | 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 3| 3| 3| 3| 3| 3| 3| NG/KG | 6| 7| 8| 9| 1| 2| 3| 4| 6| 8| 9| 2| 3| 4| 5| 6| 7| 8| 1| 2| 3| 5| 6| 7| 8| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Pigmentation | 2 2 2 2 2 2 2 2 3 2 2 3 2 3 2 2 3 3 2 3 3 2 3 2 2| Thrombosis | 3 | Toxic Hepatopathy | 3 3 4 3 3 3 4 3 3 3 4 4 3 3 3 4 4 4 4 4 3 4 4 4 3| Artery, Inflammation, Chronic Active | 2 | Bile Duct, Cyst | 3 2 3 4 3 3 2 2 3 3 3 2| Bile Duct, Fibrosis | 2 2 2 | Bile Duct, Hyperplasia | 2 2 3 2 2 2 3 2 2 1 3 2 2 2 2 2 2 2 2 2 2 3 3 2 2| Centrilobular, Degeneration | 1 | Hepatocyte, Hypertrophy | 3 4 4 4 3 3 3 3 3 2 4 3 3 3 3 3 3 3 3 3 4 1 4 4 3| Hepatocyte, Multinucleated | 2 2 2 2 2 1 2 2 2 2 3 1 1 2 2 1 2 2 2 2 2 2 2 2 2| Oval Cell, Hyperplasia | 3 2 3 2 2 2 3 2 2 1 3 2 2 1 3 3 3 2 2 3 2 3 2 3 2| Portal, Fibrosis | 3 3 2 1 2 1 2 2 2 2 2 2 2| |__________________________________________________________________________| Mesentery | + + + + | Artery, Inflammation, Chronic Active | 3 4 3 | Fat, Necrosis | 3 | |__________________________________________________________________________| Oral Mucosa | + + + + + + + + + + + + + + +| Gingival, Hyperplasia, Squamous | 1 2 2 2 2 2 1 4 1| |__________________________________________________________________________| Pancreas | + + + + + + + A + + + + + + + + + + + + + + + + +| Hemorrhage | | Inflammation, Chronic Active | 1 2 2 2| Necrosis | | Acinus, Atrophy | 3 3 2 3| Acinus, Vacuolization Cytoplasmic | 2 3 1 2 2 2 2 1 2 1 2 2 3 1 1 1 1 3 2 2 2 1 | Artery, Inflammation, Chronic Active | 1 3 1 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 3 | |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | 1 | Hyperkeratosis | 2 2| Hyperplasia, Squamous | 1 1 1 2 2| Inflammation | 1 1 2 2 | Necrosis | 1 | Ulcer | 3 | __________________________________________|__________________________________________________________________________| Page 115 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 6| 5| 7| 6| 7| 6| 5| 7| 6| 7| 7| 5| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 6| DAY ON TEST | 3| 1| 4| 6| 3| 4| 3| 7| 9| 3| 3| 2| 3| 9| 3| 5| 3| 3| 3| 3| 2| 3| 4| 3| 4| | 2| 7| 2| 1| 2| 7| 3| 3| 8| 1| 8| 3| 1| 9| 1| 5| 1| 2| 1| 1| 2| 3| 6| 3| 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| SPRAGUE-DAWLEY 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| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 100 | 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 3| 3| 3| 3| 3| 3| 3| NG/KG | 6| 7| 8| 9| 1| 2| 3| 4| 6| 8| 9| 2| 3| 4| 5| 6| 7| 8| 1| 2| 3| 5| 6| 7| 8| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Ulcer | | |__________________________________________________________________________| Tooth | + + + + + + + +| Peridontal Tissue, Inflammation | 1 1 2 2 3 1 2 1| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 2 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | Artery, Inflammation | | Artery, Thrombosis | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 1 1 3 2 | Atrophy | 1 2 2 3 2 4 3 1 3 2 2| Degeneration, Cystic | 2 2 2 2 3 3 3 2| Hyperplasia | 2 3 2 2 3 2 3 3 2 4 2 3 2 2| Hypertrophy | 2 2 2 2 2 3 3 2 2 3 2 2 2 2 4 2 2 2 2 2 3 1 2 2| Mineralization | 2 | Necrosis | | Vacuolization Cytoplasmic | 2 2 2 2 2 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 3 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + M + + M M M + + + + + + + + + + M + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 3 2 3 2 | Cyst | | __________________________________________|__________________________________________________________________________| Page 116 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 6| 5| 7| 6| 7| 6| 5| 7| 6| 7| 7| 5| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 6| DAY ON TEST | 3| 1| 4| 6| 3| 4| 3| 7| 9| 3| 3| 2| 3| 9| 3| 5| 3| 3| 3| 3| 2| 3| 4| 3| 4| | 2| 7| 2| 1| 2| 7| 3| 3| 8| 1| 8| 3| 1| 9| 1| 5| 1| 2| 1| 1| 2| 3| 6| 3| 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| SPRAGUE-DAWLEY 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| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 100 | 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 3| 3| 3| 3| 3| 3| 3| NG/KG | 6| 7| 8| 9| 1| 2| 3| 4| 6| 8| 9| 2| 3| 4| 5| 6| 7| 8| 1| 2| 3| 5| 6| 7| 8| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Inflammation, Chronic | 2 | Pars Distalis, Hyperplasia | 2 2 2 2 2 2 | Pars Intermedia, Hyperplasia | 3 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 | Cyst | 2 | C-Cell, Hyperplasia | 2 1 1 2 2 2 3 2 3 2 | Follicular Cell, Hypertrophy | 1 1 1 1 1 1 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 1 1 1 2 1 1 1 1 1 1 1 2| Duct, Cyst | 2 2 3 2 1 3 2 2 2 1 2 1 3 2 2 2 2 3 3 4 3 2 3| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 4 4 4 4 4 4 4 4 4 4 4 3 4 4 4| Cyst | 2 2 3 3 3 2 3 3 | Inflammation, Chronic Active | | Artery, Inflammation, Chronic Active | 3 | |__________________________________________________________________________| Oviduct | + | Inflammation | 4 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hemorrhage | | Inflammation, Chronic Active | 4 | Inflammation, Suppurative | 2 3 2 3 | Metaplasia, Squamous | 2 2 3 3 2 2 2 1 2 1| Endometrium, Hyperplasia, Cystic | 1 1 2 3 3 4 3 3 2 2 2 2| |__________________________________________________________________________| Vagina | | __________________________________________|__________________________________________________________________________| Page 117 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 6| 5| 7| 6| 7| 6| 5| 7| 6| 7| 7| 5| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 6| DAY ON TEST | 3| 1| 4| 6| 3| 4| 3| 7| 9| 3| 3| 2| 3| 9| 3| 5| 3| 3| 3| 3| 2| 3| 4| 3| 4| | 2| 7| 2| 1| 2| 7| 3| 3| 8| 1| 8| 3| 1| 9| 1| 5| 1| 2| 1| 1| 2| 3| 6| 3| 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| SPRAGUE-DAWLEY 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| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 100 | 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 3| 3| 3| 3| 3| 3| 3| NG/KG | 6| 7| 8| 9| 1| 2| 3| 4| 6| 8| 9| 2| 3| 4| 5| 6| 7| 8| 1| 2| 3| 5| 6| 7| 8| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Hyperplasia | 3 2 3 3 3 2 2 3 3 4 3 3 2 2 3 3 2 3 3| |__________________________________________________________________________| Lymph Node | + + + + + | Mediastinal, Ectasia | 2 | Mediastinal, Hemorrhage | 2 2 | Mediastinal, Hyperplasia, Histiocytic| 2 | Mediastinal, Pigmentation | 2 | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 2 2 3 3 | Hyperplasia, Lymphoid | | Hyperplasia, Plasma Cell | 2 2 2 3 2 2 2 2| Inflammation, Suppurative | | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 2 | Hyperplasia, Histiocytic | 2 | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 1 2 1 2 1 2 2 2 3 2 2 1 1 2 1 1 2 1 1 2| Hyperplasia, Lymphoid | 2 2 2| Pigmentation | 1 2 1 1 2 1 2 1 1 2 1 1 1 2 2 2 1 2 1 1 2 1 2| Lymphoid Follicle, Atrophy | | |__________________________________________________________________________| Thymus | + + + M + + + M M + + + + + + + + + M + + + + + +| Atrophy | 4 3 4 4 3 4 4 3 4 4 4 4 4 4 4 4 4 4 4 4 4| Cyst | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hyperplasia | 2 3 1 1 | Inflammation, Granulomatous | 3 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 118 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 6| 5| 7| 6| 7| 6| 5| 7| 6| 7| 7| 5| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 6| DAY ON TEST | 3| 1| 4| 6| 3| 4| 3| 7| 9| 3| 3| 2| 3| 9| 3| 5| 3| 3| 3| 3| 2| 3| 4| 3| 4| | 2| 7| 2| 1| 2| 7| 3| 3| 8| 1| 8| 3| 1| 9| 1| 5| 1| 2| 1| 1| 2| 3| 6| 3| 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| SPRAGUE-DAWLEY 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| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 100 | 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 3| 3| 3| 3| 3| 3| 3| NG/KG | 6| 7| 8| 9| 1| 2| 3| 4| 6| 8| 9| 2| 3| 4| 5| 6| 7| 8| 1| 2| 3| 5| 6| 7| 8| __________________________________________|__________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | X | Inflammation, Chronic Active | | Epidermis, Inflammation | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Fracture | X | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 | Glial Cell, Hyperplasia | 2| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Infiltration Cellular, Histiocyte | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 2 1 2 2 2 2 2| Inflammation, Chronic Active | | Metaplasia, Squamous | 2 | Mineralization | 2 | Necrosis | | Alveolar Epithelium, Metaplasia, | | Bronchiolar | 3 2 2 2 2 3 1 1 3 3 1 2 1 2 3 1 2 2 3 2 2| |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 3 4 2 1 | Nasopharyngeal Duct, Inflammation | 4 | Olfactory Epithelium, Inflammation | 2 | Septum, Hyperplasia, Squamous | 2 | Septum, Inflammation | 3 4 | Turbinate, Hyperplasia, Squamous | 2 | Turbinate, Septum, Inflammation | 2 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 119 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 6| 5| 7| 6| 7| 6| 5| 7| 6| 7| 7| 5| 7| 6| 7| 7| 7| 7| 7| 7| 5| 7| 6| DAY ON TEST | 3| 1| 4| 6| 3| 4| 3| 7| 9| 3| 3| 2| 3| 9| 3| 5| 3| 3| 3| 3| 2| 3| 4| 3| 4| | 2| 7| 2| 1| 2| 7| 3| 3| 8| 1| 8| 3| 1| 9| 1| 5| 1| 2| 1| 1| 2| 3| 6| 3| 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| SPRAGUE-DAWLEY 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| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 100 | 9| 9| 9| 9| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 3| 3| 3| 3| 3| 3| 3| NG/KG | 6| 7| 8| 9| 1| 2| 3| 4| 6| 8| 9| 2| 3| 4| 5| 6| 7| 8| 1| 2| 3| 5| 6| 7| 8| __________________________________________|__________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Anterior Chamber, Inflammation, | | Suppurative | 4 | Cornea, Inflammation, Suppurative | 4 | Retina, Atrophy | 3 3 2 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 1 1 1 2| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Gross Observation | | Casts Protein | 1 | Cyst | 2 | Inflammation, Suppurative | 3 | Mineralization | 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1| Nephropathy | 2 2 2 1 3 2 3 2 2 1 3 2 3 3 2 3 2 2 2 2 2 2 3 2| Pelvis, Inflammation | 3 | Renal Tubule, Degeneration | | Transitional Epithelium, Hyperplasia | 1 1 1 1 4 1 1| |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 2 1 | Metaplasia, Squamous | | Transitional Epithelium, Hyperplasia | 2 | __________________________________________|__________________________________________________________________________ Page 120 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 6| 6| | | DAY ON TEST | 3| 8| 4| | | | 3| 0| 8| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 6| 6| 6| | A | 100 | 4| 4| 4| | L | NG/KG | 1| 2| 4| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + | 53 | |__________________________________________________________________________|____________| Intestine Large, Colon | + M + | 51 | Parasite Metazoan | X | 2 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + | 53 | Parasite Metazoan | X | 1 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + M + | 51 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + | 53 | Cyst | | 1 2.0| |__________________________________________________________________________|____________| Intestine Small, Jejunum | + M + | 52 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + M + | 51 | |__________________________________________________________________________|____________| Liver | + + + | 53 | Angiectasis | | 5 2.0| Basophilic Focus | X | 3 | Basophilic Focus, Multiple | | 5 | Cholangiofibrosis | 3 3 | 31 2.4| Clear Cell Focus | | 1 | Clear Cell Focus, Multiple | | 1 | Congestion | | 2 2.0| Cytoplasmic Alteration | 2 | 2 2.0| Degeneration, Cystic | | 4 2.3| Eosinophilic Focus | | 2 | Eosinophilic Focus, Multiple | X X | 42 | Fatty Change, Diffuse | 3 1 3 | 48 1.9| Fatty Change, Focal | | 2 2.0| Hematopoietic Cell Proliferation | | 2 2.0| Hyperplasia, Nodular | X X | 36 | _____________________________________________________________________________________________________________________|____________| * : 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 121 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 6| 6| | | DAY ON TEST | 3| 8| 4| | | | 3| 0| 8| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 6| 6| 6| | A | 100 | 4| 4| 4| | L | NG/KG | 1| 2| 4| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Inflammation | 1 1 2 | 49 1.3| Mixed Cell Focus | | 4 | Mixed Cell Focus, Multiple | X | 17 | Necrosis | 2 | 17 2.5| Pigmentation | 2 2 2 | 53 2.2| Thrombosis | | 1 3.0| Toxic Hepatopathy | 4 3 4 | 53 3.5| Artery, Inflammation, Chronic Active | | 2 2.0| Bile Duct, Cyst | 4 | 21 2.9| Bile Duct, Fibrosis | | 4 1.8| Bile Duct, Hyperplasia | 2 2 2 | 53 2.1| Centrilobular, Degeneration | 2 | 5 2.0| Hepatocyte, Hypertrophy | 3 4 4 | 52 3.2| Hepatocyte, Multinucleated | 2 2 1 | 51 1.8| Oval Cell, Hyperplasia | 2 2 3 | 53 2.3| Portal, Fibrosis | 1 2 2 | 27 2.0| |__________________________________________________________________________|____________| Mesentery | | 8 | Artery, Inflammation, Chronic Active | | 7 2.7| Fat, Necrosis | | 1 3.0| |__________________________________________________________________________|____________| Oral Mucosa | + | 29 | Gingival, Hyperplasia, Squamous | | 16 2.3| |__________________________________________________________________________|____________| Pancreas | + + + | 51 | Hemorrhage | | 1 3.0| Inflammation, Chronic Active | | 6 2.0| Necrosis | | 1 2.0| Acinus, Atrophy | | 9 2.2| Acinus, Vacuolization Cytoplasmic | 1 1 1 | 42 1.8| Artery, Inflammation, Chronic Active | | 7 2.3| |__________________________________________________________________________|____________| Salivary Glands | + + + | 52 | Inflammation | | 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 122 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 6| 6| | | DAY ON TEST | 3| 8| 4| | | | 3| 0| 8| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 6| 6| 6| | A | 100 | 4| 4| 4| | L | NG/KG | 1| 2| 4| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + | 53 | Edema | | 1 1.0| Hyperkeratosis | | 3 2.0| Hyperplasia, Squamous | | 11 1.7| Inflammation | | 5 1.8| Necrosis | | 1 1.0| Ulcer | | 4 2.5| |__________________________________________________________________________|____________| Stomach, Glandular | + + + | 53 | Ulcer | | 2 2.5| |__________________________________________________________________________|____________| Tooth | | 18 | Peridontal Tissue, Inflammation | | 18 1.6| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + | 53 | |__________________________________________________________________________|____________| Heart | + + + | 52 | Cardiomyopathy | 1 | 36 1.3| Artery, Inflammation | | 1 1.0| Artery, Thrombosis | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + | 53 | Angiectasis | | 11 1.7| Atrophy | 2 2 3 | 27 2.4| Degeneration, Cystic | 2 3 | 17 2.3| Hyperplasia | 2 | 30 2.5| Hypertrophy | 2 2 1 | 47 2.4| Mineralization | | 1 2.0| Necrosis | | 1 3.0| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 123 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 6| 6| | | DAY ON TEST | 3| 8| 4| | | | 3| 0| 8| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 6| 6| 6| | A | 100 | 4| 4| 4| | L | NG/KG | 1| 2| 4| | | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | Vacuolization Cytoplasmic | | 15 2.1| |__________________________________________________________________________|____________| Adrenal Medulla | + + + | 53 | Hyperplasia | | 9 1.9| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + | 52 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + | 45 | |__________________________________________________________________________|____________| Pituitary Gland | + + + | 52 | Angiectasis | 2 | 9 2.1| Cyst | | 1 2.0| Inflammation, Chronic | | 1 2.0| Pars Distalis, Hyperplasia | | 19 1.7| Pars Intermedia, Hyperplasia | | 1 3.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + | 52 | Angiectasis | | 1 1.0| Cyst | | 1 2.0| C-Cell, Hyperplasia | 1 | 23 1.9| Follicular Cell, Hypertrophy | 1 | 17 1.2| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + | 53 | Inflammation | 2 1 1 | 26 1.3| Duct, Cyst | 3 2 2 | 48 2.3| |__________________________________________________________________________|____________| Ovary | + + + | 53 | Atrophy | 4 | 31 3.9| Cyst | | 13 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 124 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 6| 6| | | DAY ON TEST | 3| 8| 4| | | | 3| 0| 8| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 6| 6| 6| | A | 100 | 4| 4| 4| | L | NG/KG | 1| 2| 4| | | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM - cont | | | Inflammation, Chronic Active | | 1 3.0| Artery, Inflammation, Chronic Active | | 1 3.0| |__________________________________________________________________________|____________| Oviduct | | 1 | Inflammation | | 1 4.0| |__________________________________________________________________________|____________| Uterus | + + + | 53 | Cyst | | 1 3.0| Hemorrhage | | 1 3.0| Inflammation, Chronic Active | | 1 4.0| Inflammation, Suppurative | | 5 2.2| Metaplasia, Squamous | | 17 1.7| Endometrium, Hyperplasia, Cystic | | 19 2.1| |__________________________________________________________________________|____________| Vagina | | 1 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + | 53 | Atrophy | | 1 4.0| Hyperplasia | 3 3 2 | 43 2.8| |__________________________________________________________________________|____________| Lymph Node | + | 9 | Mediastinal, Ectasia | 2 | 3 2.0| Mediastinal, Hemorrhage | 2 | 5 2.2| Mediastinal, Hyperplasia, Histiocytic| | 1 2.0| Mediastinal, Pigmentation | | 1 2.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + | 52 | Ectasia | | 6 2.7| Hyperplasia, Lymphoid | | 2 2.0| Hyperplasia, Plasma Cell | 2 | 16 2.3| Inflammation, Suppurative | | 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 125 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 6| 6| | | DAY ON TEST | 3| 8| 4| | | | 3| 0| 8| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 6| 6| 6| | A | 100 | 4| 4| 4| | L | NG/KG | 1| 2| 4| | | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | Lymph Node, Mesenteric | + M + | 51 | Ectasia | | 1 2.0| Hyperplasia, Histiocytic | | 2 2.5| |__________________________________________________________________________|____________| Spleen | + + + | 52 | Hematopoietic Cell Proliferation | 1 1 | 43 1.5| Hyperplasia, Lymphoid | | 4 2.0| Pigmentation | 2 1 1 | 47 1.4| Lymphoid Follicle, Atrophy | | 1 2.0| |__________________________________________________________________________|____________| Thymus | + + M | 42 | Atrophy | 4 4 | 42 3.9| Cyst | | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + | 53 | Cyst | | 1 2.0| Hyperplasia | 1 1 | 16 1.5| Inflammation, Granulomatous | | 1 3.0| |__________________________________________________________________________|____________| Skin | + + + | 53 | Cyst Epithelial Inclusion | | 2 3.0| Inflammation, Chronic Active | | 1 3.0| Epidermis, Inflammation | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + | 53 | Fracture | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + | 53 | _____________________________________________________________________________________________________________________|____________| * : 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 126 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 6| 6| | | DAY ON TEST | 3| 8| 4| | | | 3| 0| 8| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 6| 6| 6| | A | 100 | 4| 4| 4| | L | NG/KG | 1| 2| 4| | | _____________________________________________________________________________________________________________________|____________| NERVOUS SYSTEM - cont | | | Mineralization | | 2 2.0| Glial Cell, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + | 52 | Hemorrhage | | 2 2.5| Infiltration Cellular, Histiocyte | 2 2 1 | 50 2.0| Inflammation, Chronic Active | | 1 3.0| Metaplasia, Squamous | | 6 2.2| Mineralization | | 1 2.0| Necrosis | | 1 4.0| Alveolar Epithelium, Metaplasia, | | | Bronchiolar | 1 1 | 46 2.0| |__________________________________________________________________________|____________| Nose | + + + | 53 | Inflammation | | 4 2.5| Nasopharyngeal Duct, Inflammation | | 1 4.0| Olfactory Epithelium, Inflammation | | 1 2.0| Septum, Hyperplasia, Squamous | | 1 2.0| Septum, Inflammation | | 2 3.5| Turbinate, Hyperplasia, Squamous | | 1 2.0| Turbinate, Septum, Inflammation | | 2 2.5| |__________________________________________________________________________|____________| Trachea | + + + | 53 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Ear | | 1 | |__________________________________________________________________________|____________| Eye | + + + | 53 | Anterior Chamber, Inflammation, | | | Suppurative | | 1 4.0| Cornea, Inflammation, Suppurative | | 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 127 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 6| 6| | | DAY ON TEST | 3| 8| 4| | | | 3| 0| 8| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 0| 0| 0| | T | ANIMAL ID | 6| 6| 6| | A | 100 | 4| 4| 4| | L | NG/KG | 1| 2| 4| | | _____________________________________________________________________________________________________________________|____________| SPECIAL SENSES SYSTEM - cont | | | Retina, Atrophy | | 6 2.3| |__________________________________________________________________________|____________| Harderian Gland | + + + | 53 | Inflammation | 2 | 6 1.3| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + | 53 | Calculus Gross Observation | | 1 4.0| Casts Protein | | 1 1.0| Cyst | | 1 2.0| Inflammation, Suppurative | | 2 3.0| Mineralization | 1 1 1 | 42 1.1| Nephropathy | 2 3 2 | 52 2.2| Pelvis, Inflammation | | 2 3.0| Renal Tubule, Degeneration | | 1 2.0| Transitional Epithelium, Hyperplasia | | 11 1.8| |__________________________________________________________________________|____________| Urinary Bladder | + + + | 53 | Inflammation | | 3 1.7| Metaplasia, Squamous | | 1 3.0| Transitional Epithelium, Hyperplasia | | 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 128 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 6| 6| 4| 7| 7| 7| 6| 4| 7| 7| 6| 7| 4| 6| 7| 7| 2| 3| 7| 7| 6| DAY ON TEST | 3| 0| 3| 7| 5| 7| 8| 2| 3| 3| 4| 1| 3| 3| 2| 2| 7| 4| 3| 3| 1| 9| 3| 3| 1| | 3| 2| 1| 8| 3| 3| 4| 6| 1| 1| 3| 0| 1| 2| 9| 6| 4| 5| 2| 2| 5| 4| 3| 2| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 100 NG/ | 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| KG/STOP | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | 1| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | X | |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 | |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Atypia Cellular | 1 | Basophilic Focus | X X X X | Basophilic Focus, Multiple | X X X X X X | Cholangiofibrosis | | Clear Cell Focus | X X X | Clear Cell Focus, Multiple | X | Cytoplasmic Alteration | 1 | Eosinophilic Focus | X X X X| Eosinophilic Focus, Multiple | X X X X X X X X X X X | Fatty Change, Diffuse | 1 1 1 2 | Fatty Change, Focal | 1 1 1 1 2 1 | Hematopoietic Cell Proliferation | 2 | Hepatodiaphragmatic Nodule | | Inflammation | 1 1 2 1 3 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 2 1| Mixed Cell Focus | | Mixed Cell Focus, Multiple | X X X X X X X X X X X X | Necrosis | 3 1 1 1 2 | Pigmentation | 2 2 2 2 2 2 2 1 2 2 2 2 2 2 2 1 1 1 2 2 3 2 2 2| __________________________________________|__________________________________________________________________________| Page 129 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 6| 6| 4| 7| 7| 7| 6| 4| 7| 7| 6| 7| 4| 6| 7| 7| 2| 3| 7| 7| 6| DAY ON TEST | 3| 0| 3| 7| 5| 7| 8| 2| 3| 3| 4| 1| 3| 3| 2| 2| 7| 4| 3| 3| 1| 9| 3| 3| 1| | 3| 2| 1| 8| 3| 3| 4| 6| 1| 1| 3| 0| 1| 2| 9| 6| 4| 5| 2| 2| 5| 4| 3| 2| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 100 NG/ | 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| KG/STOP | 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 | | Toxic Hepatopathy | 1 2 1 2 1 1 1 2 1 1 2 1 2 1 | Vacuolization Cytoplasmic | 1 | Bile Duct, Cyst | 3 2 2 2 3 | Bile Duct, Fibrosis | 1 1 1 2 1 | Bile Duct, Hyperplasia | 1 1 1 1 | Hepatocyte, Hypertrophy | 2 3 2 1 2 1 2 1 1 2 1 1 3 3 | Hepatocyte, Multinucleated | 1 1 1 2 1 1 1 1 1 1 2 2 1 1 1 1 1 3 2 1 1| Oval Cell, Hyperplasia | 1 | Portal, Fibrosis | 2 | Serosa, Inflammation, Chronic Active | 3 | |__________________________________________________________________________| Mesentery | + | Artery, Inflammation, Chronic Active | 3 | |__________________________________________________________________________| Oral Mucosa | + + + | Gingival, Hyperplasia, Squamous | 2 2 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | 1 | Inflammation, Chronic Active | 1 1 | Acinus, Atrophy | 1 2 | Artery, Inflammation, Chronic Active | 3 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + M + + + + + + + + + +| Atrophy | 2 | Fibrosis | | Inflammation | | |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperkeratosis | | Hyperplasia, Squamous | 2 | Inflammation | 2 | Ulcer | 2 3 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Erosion | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 130 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 6| 6| 4| 7| 7| 7| 6| 4| 7| 7| 6| 7| 4| 6| 7| 7| 2| 3| 7| 7| 6| DAY ON TEST | 3| 0| 3| 7| 5| 7| 8| 2| 3| 3| 4| 1| 3| 3| 2| 2| 7| 4| 3| 3| 1| 9| 3| 3| 1| | 3| 2| 1| 8| 3| 3| 4| 6| 1| 1| 3| 0| 1| 2| 9| 6| 4| 5| 2| 2| 5| 4| 3| 2| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 100 NG/ | 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| KG/STOP | 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 | | Tongue | + | Inflammation, Chronic Active | 3 | |__________________________________________________________________________| Tooth | + + + + + | Peridontal Tissue, Inflammation | 1 1 3 3 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 2 1 3 1 1 2 1 1| Inflammation | 2 | Atrium, Thrombosis | 3 | Epicardium, Inflammation, Chronic | | Active | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 1 1 1 2 | Atrophy | 3 | Degeneration, Cystic | 3 1 2 2 1 3 2 2 1 | Hyperplasia | 3 2 3 3 2 2 | Hypertrophy | 2 3 1 1 2 2 2 3 3 3 2 2 2 2 3 2 2 2 3 1 1 3 2 1| Necrosis | 3 3 | Vacuolization Cytoplasmic | 1 1 1| |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 2 2 2 2 2 2 2| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | |__________________________________________________________________________| Parathyroid Gland | M + + + + + + + + M + + + + M + M + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 1 2 1 1 2 3| __________________________________________|__________________________________________________________________________| Page 131 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 6| 6| 4| 7| 7| 7| 6| 4| 7| 7| 6| 7| 4| 6| 7| 7| 2| 3| 7| 7| 6| DAY ON TEST | 3| 0| 3| 7| 5| 7| 8| 2| 3| 3| 4| 1| 3| 3| 2| 2| 7| 4| 3| 3| 1| 9| 3| 3| 1| | 3| 2| 1| 8| 3| 3| 4| 6| 1| 1| 3| 0| 1| 2| 9| 6| 4| 5| 2| 2| 5| 4| 3| 2| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 100 NG/ | 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| KG/STOP | 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| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | Cytoplasmic Alteration | 2 | Vacuolization Cytoplasmic | 1 2 | Pars Distalis, Hyperplasia | 2 2 2 1 1 1 2 2 3 2 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + M + + + + + + + + + +| Angiectasis | 2 | C-Cell, Hyperplasia | 3 2 2 1 1 | Follicular Cell, Hypertrophy | 1 3 1 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + M + + + + + + + + + + + + +| Atrophy | 2 | Hyperplasia, Basal Cell | 1 | Hyperplasia, Squamous | | Inflammation | 2 1 1 1 1 2 2 2 1 1 2 2 2 1 1 2 | Duct, Cyst | 3 3 3 3 1 3 2 3 1 1 2 1 2 2| |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 4 4 4 4 4 4 4 4 4 4 4 4 4 3 4 4 4 4 4 4 4 4| Cyst | 2 2 2 2 2 2 2 3 | Inflammation, Granulomatous | | |__________________________________________________________________________| Oviduct | + + | Inflammation | 3 3 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | Inflammation, Suppurative | 2 3 3 4 2 1 3 2| Metaplasia, Squamous | 2 1 1 2 2 3 2 4 3 2 2 2 2 2 1 3 3 2| Cervix, Inflammation, Chronic Active | 3 | Endometrium, Hyperplasia, Cystic | 2 1 2 2 2 1 2 2 3 1 1 4 2 2 2 2 4| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 132 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 6| 6| 4| 7| 7| 7| 6| 4| 7| 7| 6| 7| 4| 6| 7| 7| 2| 3| 7| 7| 6| DAY ON TEST | 3| 0| 3| 7| 5| 7| 8| 2| 3| 3| 4| 1| 3| 3| 2| 2| 7| 4| 3| 3| 1| 9| 3| 3| 1| | 3| 2| 1| 8| 3| 3| 4| 6| 1| 1| 3| 0| 1| 2| 9| 6| 4| 5| 2| 2| 5| 4| 3| 2| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 100 NG/ | 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| KG/STOP | 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 | | Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Hyperplasia | 2 3 2 3 3 3 4 2 3 3 3 3 3 4 4 2 4 3 4 3| Myelofibrosis | | |__________________________________________________________________________| Lymph Node | + | Lumbar, Ectasia | | Lumbar, Hyperplasia, Plasma Cell | 2 | Mediastinal, Hemorrhage | | Mediastinal, Hyperplasia, Plasma Cell| | |__________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + M + + + + + + + + + +| Ectasia | 3 | Hyperplasia, Lymphoid | 2 | Hyperplasia, Plasma Cell | 3 3 2 2 2 2 3 3 2 1 2 2 2 2 3 3 3 | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Histiocytic | 3 | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 1 1 2 1 2 1 1 1 2 1 1 2 2 3 2 1 1 1 3 1 3 3| Hyperplasia, Lymphoid | 2 | Pigmentation | 2 3 2 1 1 1 1 1 2 2 1 2 2 2 1 1 2 2 1 2 1 | Lymphoid Follicle, Atrophy | | Red Pulp, Atrophy | | |__________________________________________________________________________| Thymus | + M + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 3 4 3 4 3 4 4 4 2 4 3 3 4 2 4 2 2 3 3 4| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 2 2 | Hyperplasia | 1 1 2 1 1 2 1 1 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Ulcer | 3 | __________________________________________|__________________________________________________________________________| Page 133 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 6| 6| 4| 7| 7| 7| 6| 4| 7| 7| 6| 7| 4| 6| 7| 7| 2| 3| 7| 7| 6| DAY ON TEST | 3| 0| 3| 7| 5| 7| 8| 2| 3| 3| 4| 1| 3| 3| 2| 2| 7| 4| 3| 3| 1| 9| 3| 3| 1| | 3| 2| 1| 8| 3| 3| 4| 6| 1| 1| 3| 0| 1| 2| 9| 6| 4| 5| 2| 2| 5| 4| 3| 2| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 100 NG/ | 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| KG/STOP | 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| __________________________________________|__________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Histiocyte | 2 3 1 2 2 2 2 2 2 1 2 3 1 2 2 2 1 3 3 2| Inflammation, Suppurative | 3 | Metaplasia, Squamous | 2 | Alveolar Epithelium, Metaplasia, | | Bronchiolar | 2 1 1 1 1 1 1 1 1 1 2 1 2 2 1| Serosa, Inflammation, Suppurative | 3 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 | Goblet Cell, Respiratory Epithelium, | | Hyperplasia | | Nasolacrimal Duct, Inflammation | | Olfactory Epithelium, Degeneration | | Olfactory Epithelium, Inflammation | | Olfactory Epithelium, Glands, | | Hyperplasia | | Respiratory Epithelium, Cyst | 2 | Respiratory Epithelium, Inflammation,| | Suppurative | | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 134 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 _____________________________________________________________________________________________________________________ | 7| 7| 7| 5| 6| 6| 4| 7| 7| 7| 6| 4| 7| 7| 6| 7| 4| 6| 7| 7| 2| 3| 7| 7| 6| DAY ON TEST | 3| 0| 3| 7| 5| 7| 8| 2| 3| 3| 4| 1| 3| 3| 2| 2| 7| 4| 3| 3| 1| 9| 3| 3| 1| | 3| 2| 1| 8| 3| 3| 4| 6| 1| 1| 3| 0| 1| 2| 9| 6| 4| 5| 2| 2| 5| 4| 3| 2| 4| __________________________________________|__________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| SPRAGUE-DAWLEY 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| 100 NG/ | 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| KG/STOP | 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 | | Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Retinal Detachment | | Bilateral, Cataract | | Retina, Atrophy | 2 2 2 1 | Retina, Degeneration | | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Inflammation | 2 1 1 1 1 1 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Accumulation, Hyaline Droplet | 1 4 | Casts Protein | | Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 2 1| Nephropathy | 1 2 2 1 1 1 1 2 2 1 1 1 1 2 1 1 2 2 2 1 1 1| Papilla, Transitional Epithelium, | | Hyperplasia | | Pelvis, Dilatation | 2 | Transitional Epithelium, Hyperplasia | 2 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation | 1 | __________________________________________|__________________________________________________________________________ Page 135 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 5| 7| 6| 5| 7| 3| 7| 6| 7| 5| 7| 6| 6| 5| 7| | DAY ON TEST | 3| 1| 3| 3| 3| 3| 0| 3| 2| 2| 2| 3| 4| 8| 3| 4| 3| 0| 3| 7| 3| 4| 5| 7| 3| | | 3| 8| 1| 1| 7| 1| 2| 2| 9| 4| 0| 1| 5| 4| 1| 5| 3| 4| 1| 8| 3| 1| 6| 8| 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 | SPRAGUE-DAWLEY 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 | 100 NG/ | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| L | KG/STOP | 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 | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + M + + + + + + + + + + + + + + + + + + + +| 49 | Parasite Metazoan | | 1 1.0| |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Parasite Metazoan | X X X X | 5 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + M + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + M + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic | | 1 2.0| |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + M + + + + + + + + + + + + + + + + + + M +| 48 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 1 1 2 | 4 1.5| Atypia Cellular | | 1 1.0| Basophilic Focus | X X X | 7 | Basophilic Focus, Multiple | X X X | 9 | Cholangiofibrosis | 2 | 1 2.0| Clear Cell Focus | X X X | 6 | Clear Cell Focus, Multiple | X | 2 | Cytoplasmic Alteration | | 1 1.0| Eosinophilic Focus | X X | 6 | Eosinophilic Focus, Multiple | X X X X X X X X X X | 21 | Fatty Change, Diffuse | 1 3 2 1 1 1 | 10 1.4| Fatty Change, Focal | 2 1| 8 1.3| Hematopoietic Cell Proliferation | 3 | 2 2.5| Hepatodiaphragmatic Nodule | X | 1 | Inflammation | 1 1 1 1 1 1 1 1 2 1 1 2 1 1 1 1 1 1 1 1 1| 43 1.2| _____________________________________________________________________________________________________________________|____________| * : 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 136 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 5| 7| 6| 5| 7| 3| 7| 6| 7| 5| 7| 6| 6| 5| 7| | DAY ON TEST | 3| 1| 3| 3| 3| 3| 0| 3| 2| 2| 2| 3| 4| 8| 3| 4| 3| 0| 3| 7| 3| 4| 5| 7| 3| | | 3| 8| 1| 1| 7| 1| 2| 2| 9| 4| 0| 1| 5| 4| 1| 5| 3| 4| 1| 8| 3| 1| 6| 8| 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 | SPRAGUE-DAWLEY 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 | 100 NG/ | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| L | KG/STOP | 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 | | | Mixed Cell Focus | X | 1 | Mixed Cell Focus, Multiple | X X X X X X X X X X X X X X X X| 28 | Necrosis | 1 3 2 | 8 1.8| Pigmentation | 2 1 2 2 1 1 2 2 2 2 1 2 2 2 2 1 1 2 2 3 2 | 45 1.8| Toxic Hepatopathy | 1 1 | 16 1.3| Vacuolization Cytoplasmic | | 1 1.0| Bile Duct, Cyst | 2 | 6 2.3| Bile Duct, Fibrosis | | 5 1.2| Bile Duct, Hyperplasia | 1 2 2 | 7 1.3| Hepatocyte, Hypertrophy | 2 1 1 2 1 1 2 2 | 22 1.7| Hepatocyte, Multinucleated | 2 2 1 1 1 3 1 2 1 1 1 | 32 1.3| Oval Cell, Hyperplasia | | 1 1.0| Portal, Fibrosis | | 1 2.0| Serosa, Inflammation, Chronic Active | | 1 3.0| |__________________________________________________________________________|____________| Mesentery | | 1 | Artery, Inflammation, Chronic Active | | 1 3.0| |__________________________________________________________________________|____________| Oral Mucosa | + + + + + + + + | 11 | Gingival, Hyperplasia, Squamous | 1 2 2 3 2 1 | 8 1.9| |__________________________________________________________________________|____________| Pancreas | + + + + M + + + + + + + + + + + + + + + + + + + +| 49 | Angiectasis | 2 | 1 2.0| Basophilic Focus | | 1 1.0| Inflammation, Chronic Active | 2 2| 4 1.5| Acinus, Atrophy | 1 3| 4 1.8| Artery, Inflammation, Chronic Active | 2 | 2 2.5| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Atrophy | 2 | 2 2.0| Fibrosis | 2 | 1 2.0| Inflammation | 1 | 1 1.0| |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 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 137 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 5| 7| 6| 5| 7| 3| 7| 6| 7| 5| 7| 6| 6| 5| 7| | DAY ON TEST | 3| 1| 3| 3| 3| 3| 0| 3| 2| 2| 2| 3| 4| 8| 3| 4| 3| 0| 3| 7| 3| 4| 5| 7| 3| | | 3| 8| 1| 1| 7| 1| 2| 2| 9| 4| 0| 1| 5| 4| 1| 5| 3| 4| 1| 8| 3| 1| 6| 8| 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 | SPRAGUE-DAWLEY 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 | 100 NG/ | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| L | KG/STOP | 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 | | | Hyperkeratosis | 2 | 1 2.0| Hyperplasia, Squamous | 2 2 2 1 | 5 1.8| Inflammation | 3 2 1 | 4 2.0| Ulcer | 3 1 | 4 2.3| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Erosion | 2 | 1 2.0| |__________________________________________________________________________|____________| Tongue | | 1 | Inflammation, Chronic Active | | 1 3.0| |__________________________________________________________________________|____________| Tooth | + + + + + + + | 12 | Peridontal Tissue, Inflammation | 1 1 2 1 1 1 2 | 12 1.6| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + M +| 49 | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 2 1 1 1 1 1 2 1 1 1 2 1| 22 1.4| Inflammation | | 1 2.0| Atrium, Thrombosis | 3 | 2 3.0| Epicardium, Inflammation, Chronic | | | Active | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 2 2 2 3 2 2 2 3 2 | 15 1.9| Atrophy | 2 1 1 | 4 1.8| Degeneration, Cystic | 1 3 3 2 3 3 3 3| 17 2.2| Hyperplasia | 2 3 3 3 2 3 2 3 3 3 3 2 3 2 | 20 2.6| Hypertrophy | 1 2 2 3 3 3 2 2 1 3 2 2 2 1 2 1 3 2 3 3 2 3| 46 2.1| Necrosis | 3 | 3 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 138 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 5| 7| 6| 5| 7| 3| 7| 6| 7| 5| 7| 6| 6| 5| 7| | DAY ON TEST | 3| 1| 3| 3| 3| 3| 0| 3| 2| 2| 2| 3| 4| 8| 3| 4| 3| 0| 3| 7| 3| 4| 5| 7| 3| | | 3| 8| 1| 1| 7| 1| 2| 2| 9| 4| 0| 1| 5| 4| 1| 5| 3| 4| 1| 8| 3| 1| 6| 8| 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 | SPRAGUE-DAWLEY 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 | 100 NG/ | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| L | KG/STOP | 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 | | | Vacuolization Cytoplasmic | 1 3 1 1 1 2 1 1 1 2| 13 1.3| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 2 3 3 2 3 2 | 15 2.1| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + M + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia | 2 | 1 2.0| |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + M + + + + + + + + + + + + + M +| 44 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 2 3 2 3 1 4 3 3 1| 15 2.1| Cytoplasmic Alteration | | 1 2.0| Vacuolization Cytoplasmic | 2 | 3 1.7| Pars Distalis, Hyperplasia | 2 3 2 2 1 2 2 1 | 18 1.8| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Angiectasis | | 1 2.0| C-Cell, Hyperplasia | 2 2 2 1 2 2 2 2 2 3 | 15 1.9| Follicular Cell, Hypertrophy | 1 2 | 6 1.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Atrophy | | 1 2.0| Hyperplasia, Basal Cell | | 1 1.0| Hyperplasia, Squamous | 3 | 1 3.0| Inflammation | 1 1 2 1 2 2 1 1 1 2 1 2 1 1 3 2 2 1 3 | 35 1.5| Duct, Cyst | 2 3 2 1 2 1 1 3 2 2 1 1 1 1 2 3 3 2 2 3 1| 35 2.0| |__________________________________________________________________________|____________| Ovary | + + + + M + + + + + + + + + + + + + + + + + + + +| 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 139 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 5| 7| 6| 5| 7| 3| 7| 6| 7| 5| 7| 6| 6| 5| 7| | DAY ON TEST | 3| 1| 3| 3| 3| 3| 0| 3| 2| 2| 2| 3| 4| 8| 3| 4| 3| 0| 3| 7| 3| 4| 5| 7| 3| | | 3| 8| 1| 1| 7| 1| 2| 2| 9| 4| 0| 1| 5| 4| 1| 5| 3| 4| 1| 8| 3| 1| 6| 8| 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 | SPRAGUE-DAWLEY 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 | 100 NG/ | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| L | KG/STOP | 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 | | | Atrophy | 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 3 4 4| 45 4.0| Cyst | 2 2 4 3 3 2 2 2 | 16 2.3| Inflammation, Granulomatous | 3 | 1 3.0| |__________________________________________________________________________|____________| Oviduct | | 2 | Inflammation | | 2 3.0| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic Active | 3| 1 3.0| Inflammation, Suppurative | 4 | 9 2.7| Metaplasia, Squamous | 2 2 2 1 2 2 3 2 2 2 1 1 2 2 3| 33 2.1| Cervix, Inflammation, Chronic Active | | 1 3.0| Endometrium, Hyperplasia, Cystic | 2 1 2 2 1 3 2 1 4 3 4 2 2 1 2 | 32 2.1| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 2 | 1 2.0| Hyperplasia | 3 3 2 2 3 2 2 3 4 3 3 3 2 3 2 3 | 36 2.9| Myelofibrosis | 2 | 1 2.0| |__________________________________________________________________________|____________| Lymph Node | + + + + | 5 | Lumbar, Ectasia | 2 3 | 2 2.5| Lumbar, Hyperplasia, Plasma Cell | 3 | 2 2.5| Mediastinal, Hemorrhage | 2 | 1 2.0| Mediastinal, Hyperplasia, Plasma Cell| 2 | 1 2.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Ectasia | 1 | 2 2.0| Hyperplasia, Lymphoid | 3 | 2 2.5| Hyperplasia, Plasma Cell | 2 2 3 1 2 2 2 2 2 2 2 2 2 | 30 2.2| |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + M + + + + + + + + + + + + + + + + + + + +| 49 | Hyperplasia, Histiocytic | | 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 140 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 5| 7| 6| 5| 7| 3| 7| 6| 7| 5| 7| 6| 6| 5| 7| | DAY ON TEST | 3| 1| 3| 3| 3| 3| 0| 3| 2| 2| 2| 3| 4| 8| 3| 4| 3| 0| 3| 7| 3| 4| 5| 7| 3| | | 3| 8| 1| 1| 7| 1| 2| 2| 9| 4| 0| 1| 5| 4| 1| 5| 3| 4| 1| 8| 3| 1| 6| 8| 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 | SPRAGUE-DAWLEY 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 | 100 NG/ | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| L | KG/STOP | 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 | | | |__________________________________________________________________________|____________| Spleen | + + + + M + + + + + + + + + + + + + + + + + + + +| 49 | Hematopoietic Cell Proliferation | 1 1 1 2 2 1 2 2 1 2 1 1 2 1 1 1 2 1 1 3| 42 1.5| Hyperplasia, Lymphoid | | 1 2.0| Pigmentation | 1 2 2 2 1 2 2 1 2 2 1 2 2 2 1 2 1 2 1 2 1 | 42 1.6| Lymphoid Follicle, Atrophy | 2 | 1 2.0| Red Pulp, Atrophy | 2 | 1 2.0| |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Atrophy | 3 2 4 4 3 3 4 4 4 2 4 4 2 4 3 3 4 2 2 4 4 4 3 4| 45 3.3| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 2 | 4 2.3| Hyperplasia | 1 1 2 1 1 1 1 1 2 1 1| 19 1.2| |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Ulcer | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 3 | 1 3.0| Inflammation, Suppurative | 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 141 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 5| 7| 6| 5| 7| 3| 7| 6| 7| 5| 7| 6| 6| 5| 7| | DAY ON TEST | 3| 1| 3| 3| 3| 3| 0| 3| 2| 2| 2| 3| 4| 8| 3| 4| 3| 0| 3| 7| 3| 4| 5| 7| 3| | | 3| 8| 1| 1| 7| 1| 2| 2| 9| 4| 0| 1| 5| 4| 1| 5| 3| 4| 1| 8| 3| 1| 6| 8| 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 | SPRAGUE-DAWLEY 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 | 100 NG/ | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| L | KG/STOP | 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 | | | Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infiltration Cellular, Histiocyte | 2 2 2 2 3 2 2 2 2 1 2 2 2 2 1 2 2 3 2 1 2| 41 2.0| Inflammation, Suppurative | | 1 3.0| Metaplasia, Squamous | 1 1 | 3 1.3| Alveolar Epithelium, Metaplasia, | | | Bronchiolar | 1 1 1 2 2 1 1 1 1 1 1 1 2 2 1 1| 31 1.3| Serosa, Inflammation, Suppurative | | 1 3.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation | | 1 1.0| Goblet Cell, Respiratory Epithelium, | | | Hyperplasia | 3 | 1 3.0| Nasolacrimal Duct, Inflammation | 3 | 1 3.0| Olfactory Epithelium, Degeneration | 3 | 1 3.0| Olfactory Epithelium, Inflammation | 3 | 1 3.0| Olfactory Epithelium, Glands, | | | Hyperplasia | 2 | 1 2.0| Respiratory Epithelium, Cyst | | 1 2.0| Respiratory Epithelium, Inflammation,| | | Suppurative | 4 | 1 4.0| |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Retinal Detachment | 3 | 1 3.0| Bilateral, Cataract | 3 | 1 3.0| Retina, Atrophy | 2 2 | 6 1.8| Retina, Degeneration | 3 | 1 3.0| |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 2 | 1 2.0| Inflammation | 1 1 1 | 9 1.1| _____________________________________________________________________________________________________________________|____________| * : 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 142 NTP Experiment-Test: 96007-03 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (TCDD) Date: 09/30/03 Route: GAVAGE Time: 08:37:20 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 7| 7| 5| 7| 6| 5| 7| 3| 7| 6| 7| 5| 7| 6| 6| 5| 7| | DAY ON TEST | 3| 1| 3| 3| 3| 3| 0| 3| 2| 2| 2| 3| 4| 8| 3| 4| 3| 0| 3| 7| 3| 4| 5| 7| 3| | | 3| 8| 1| 1| 7| 1| 2| 2| 9| 4| 0| 1| 5| 4| 1| 5| 3| 4| 1| 8| 3| 1| 6| 8| 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 | SPRAGUE-DAWLEY 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 | 100 NG/ | 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| L | KG/STOP | 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| | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accumulation, Hyaline Droplet | | 2 2.5| Casts Protein | 1 | 1 1.0| Mineralization | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| 42 1.0| Nephropathy | 1 1 2 2 2 1 2 1 1 2 1 2 2 1 1 1 1 1 2 | 41 1.4| Papilla, Transitional Epithelium, | | | Hyperplasia | 1 | 1 1.0| Pelvis, Dilatation | | 1 2.0| Transitional Epithelium, Hyperplasia | 1 2 1 1 | 5 1.4| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation | 1 | 2 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 143 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