Maintenance of luteal function during unilateral pregnancy in the rat.
D000818:Animals; D002369:Castration; D003338:Corpus Luteum / Q000033:anatomy & histology / Q000502:physiology*; D004622:Embryo, Mammalian; D005187:Fallopian Tubes / Q000601:surgery; D005260:Female; D007044:Hysterectomy; D007315:Insemination, Artificial; D011247:Pregnancy; D011270:Pregnancy, Animal; D051381:Rats; D014599:Uterus / Q000502:physiology*