The effect of constant light on the estrous cycle and behaviour of the female rat.
D000818:Animals; D004971:Estrus; D005260:Female; D006799:Housing, Animal; D008027:Light; D010507:Periodicity; D011187:Posture; D011247:Pregnancy; D051381:Rats; D011919:Rats, Inbred Strains; D012726:Sexual Behavior, Animal; D013997:Time Factors; D014621:Vagina / Q000033:anatomy & histology; D014626:Vaginal Smears