Physiological and histopathological measurements on lungs of laboratory rats maintained under barrier and under conventional conditions.
D000818:Animals; D000830:Animals, Laboratory; D001835:Body Weight; D001980:Bronchi / Q000033:anatomy & histology / Q000502:physiology; D005856:Germ-Free Life; D006652:Histological Techniques; D008168:Lung / Q000033:anatomy & histology / Q000502:physiology*; D009092:Mucous Membrane / Q000033:anatomy & histology / Q000502:physiology; D051381:Rats; D012129:Respiratory Function Tests / Q000662:veterinary; D013194:Staining and Labeling; D014132:Trachea / Q000033:anatomy & histology / Q000502:physiology