title: Morphology of the regressing corpus luteum in the ewe.
mesh_terms: D000818:Animals; D003338:Corpus Luteum / Q000378:metabolism / Q000648:ultrastructure*; D003594:Cytoplasmic Granules / Q000648:ultrastructure; D004971:Estrus; D005260:Female; D003341:Luteolysis; D008247:Lysosomes / Q000648:ultrastructure; D009940:Organoids / Q000648:ultrastructure; D011247:Pregnancy; D011374:Progesterone / Q000378:metabolism; D012756:Sheep / Q000502:physiology*
chemical_list: D011374:Progesterone