Sexual receptivity in aged female rats. Behavioral evidence for increased sensitivity to estrogen.
D000367:Age Factors; D000818:Animals; D002369:Castration; D004958:Estradiol / Q000494:pharmacology*; D005260:Female; D011187:Posture; D011555:Pseudopregnancy; D051381:Rats; D012726:Sexual Behavior, Animal / Q000187:drug effects*; D014626:Vaginal Smears
D004958:Estradiol