Hormonal requirements for the transformation of morula to blastocyst in the rat: effects of long-term ovariectomy.
D000818:Animals; D002369:Castration; D004622:Embryo, Mammalian / Q000502:physiology*; D004967:Estrogens / Q000494:pharmacology; D005260:Female; D010053:Ovary / Q000502:physiology*; D010063:Ovum / Q000502:physiology; D011247:Pregnancy; D011270:Pregnancy, Animal; D011374:Progesterone / Q000494:pharmacology; D051381:Rats; D014599:Uterus / Q000502:physiology
D004967:Estrogens; D011374:Progesterone