The use of germfree vertebrates in the study of "physiological" effects of the normal microbial flora. (An aid to elucidate the possible role of intestinal toxic products on ageing).
D000375:Aging / Q000502:physiology*; D000818:Animals; D006801:Humans; D007422:Intestines / Q000382:microbiology*; D014714:Vertebrates
AGING/physiology; INTESTINES/microbiology