title: Gastrointestinal ecology and histology of rats monoassociated with anaerobic bacteria.
abstract: Pure cultures of anaerobic bacteria colonized the gastrointestinal tracts of germfree rats and induced an increase in the cellularity of intestinal tissue.
mesh_terms: D000818:Animals; D001441:Bacteroides fragilis / Q000254:growth & development*; D004386:Duodenum / Q000166:cytology; D004463:Ecology; D005260:Female; D005675:Fusobacterium necrophorum / Q000254:growth & development*; D005753:Gastric Mucosa / Q000166:cytology; D005856:Germ-Free Life; D007082:Ileum / Q000166:cytology; D007413:Intestinal Mucosa / Q000166:cytology; D007422:Intestines / Q000382:microbiology*; D008297:Male; D011425:Propionibacterium acnes / Q000254:growth & development*; D051381:Rats; D013270:Stomach / Q000382:microbiology*