Senile changes in the oestrous cycle and in ovarian structure in some inbred strains of mice.
D000375:Aging; D000818:Animals; D030762:Estrous Cycle / Q000502:physiology*; D004971:Estrus; D005260:Female; D006801:Humans; D008597:Menstrual Cycle; D051379:Mice; D008815:Mice, Inbred Strains; D010053:Ovary / Q000502:physiology*
AGING/effects; ESTRUS CYCLE/physiology; OVARIES/physiology