The Upper Respiratory System.- Histology, Ultrastructure, Embryology, Function.- Normal Morphology of the Nasal Passages in Laboratory Rodents.- Proliferative and Metaplastic Lesions in Nonolfactory Nasal Epithelia Induced by Inhaled Chemicals.- Nonneoplastic Lesions of the Olfactory Mucosa.- Microscopic Anatomy of Toxicologically Important Regions of the Larynx of the Rat, Mouse, and Hamster.- Effects of Xenobiotics on the Larynx of the Rat, Mouse and Hamster.- Development of Syrian Golden Hamster Tracheal Epithelium During Prenatal and Immediate Postnatal Stages.- Neoplasms.- Morphological Response of Respiratory Epithelium to Carcinogens, Syrian Hamster (Mesocricetus auratus W.).- Nasal Neoplasia.- Hemangiosarcoma, Nasal Cavity, Mouse.- Neuroendocrine Hyperplasias and Tumors, Larynx and Trachea, Syrian Hamster.- Lesions Due to Infection.- Murine Respiratory Mycoplasmosis, Rat and Mouse.- Rat Coronavirus Infection, Upper Respiratory Tract, Rat.- The Lung (Bronchi, Bronchioles, Alveolar Ducts, Alveoli, Pleura).- Histology, Ultrastruture, Function.- Structure and Function of the Lung.- In Vitro Differentiation of an Epithelial Stem Cell Line Derived from the Fetal Syrian Hamster Lung.- Comparative Aspects of Pulmonary Carcinogenesis.- Alveolar/Bronchiolar Hyperplasia, Adenoma and Carcinoma, Lung, Rat.- Naturally Occurring Pulmonary Tumors in Rodents.- Squamous Cell Carcinoma, Lung, Rat.- Radiation-Induced Squamous Cell Carcinoma, Lung, Rat.- Radiation-Induced Adenocarcinoma, Lung, Rat.- Radiation-Induced Sarcomas, Lung, Rat.- Radiation-Induced Adenosquamous Carcinoma, Lung, Rat.- Pleural Mesothelioma, Syrian Hamster.- Metastatic Tumors, Lung, Mouse.- Nonneoplastic Lesions.- Bleomycin-Induced Injury, Mouse: A Model for Lung Injury.- Fibroblast Interactions with Epithelial Cells in Lung Injury and Repair.- Fibroblast Interactions with Alveolar and Interstitial Macrophages. Models: Silicosis and Asbestosis in the Mouse.- Pulmonary Lipidosis, Rat.- Alveolar Lipoproteinosis, Rat.- Fly Ash Pneumoconiosis, Hamster.- Asbestosis, Hamster.- Squamous Metaplasia, Lung, Rat.- Pulmonary Hair Embolism, Rat.- Goblet Cell Metaplasia, Lung, Rat.- Lesions Due to Infection.- Sendai Virus Infection, Lung, Mouse, and Rat.- Pneumonia Virus of Mice Infection, Lung, Mouse, and Rat.- Rat Coronavirus Infection, Lung, Rat David G. Brownstein.- Cilia-Associated Respiratory Bacillus Infection, Rat, Mouse, and Rabbit.- Pneumocystosis, Lung, Rat.- Toxoplasmosis, Lung, Mouse, and Hamster.- Aspergillosis and Mucormycosis, Lung, Rat.