Sexual behavior in aged, noncycling female rats.
D000367:Age Factors; D000818:Animals; D004971:Estrus; D005247:Feeding Behavior / Q000502:physiology; D005260:Female; D010053:Ovary / Q000502:physiology*; D011247:Pregnancy; D051381:Rats; D012726:Sexual Behavior, Animal / Q000502:physiology*; D014621:Vagina / Q000166:cytology