title: The gnotobiotic animal as a tool in the study of host microbial relationships.
mesh_terms: D000818:Animals; D000830:Animals, Laboratory; D001419:Bacteria / Q000254:growth & development; D001424:Bacterial Infections / Q000276:immunology; D002319:Cardiovascular System; D002432:Cecum; D002645:Chickens; D003106:Colon; D004032:Diet; D004064:Digestive System; D004195:Disease Models, Animal; D004285:Dogs; D004463:Ecology; D005856:Germ-Free Life; D006041:Goats; D006168:Guinea Pigs; D051379:Mice; D009181:Mycoses; D011528:Protozoan Infections; D051381:Rats; D012756:Sheep; D013552:Swine