Histology of the nasal and paranasal cavities of germfree-reared and ex-germfree rats.
D000818:Animals; D003731:Dental Caries; D005856:Germ-Free Life; D006652:Histological Techniques; D009666:Nose / Q000033:anatomy & histology*; D051381:Rats
GERM-FREE LIFE; NOSE/anatomy and histology