The corpus luteum of the sheep: functional relationship between the embryo and the corpus luteum.
D000818:Animals; D003338:Corpus Luteum / Q000502:physiology*; D004624:Embryo Transfer; D004622:Embryo, Mammalian / Q000502:physiology*; D005260:Female; D011247:Pregnancy; D011270:Pregnancy, Animal; D012756:Sheep / Q000502:physiology*