The corpus luteum.
D000818:Animals; D002417:Cattle; D002478:Cells, Cultured; D003338:Corpus Luteum / Q000098:blood supply / Q000502:physiology*; D004967:Estrogens / Q000502:physiology; D005260:Female; D006107:Granulosa Cells / Q000502:physiology; D007986:Luteinizing Hormone / Q000502:physiology; D003341:Luteolysis; D006080:Ovarian Follicle / Q000502:physiology*; D011247:Pregnancy; D011453:Prostaglandins / Q000502:physiology; D011817:Rabbits; D051381:Rats; D012039:Regional Blood Flow; D012756:Sheep; D013552:Swine
D004967:Estrogens; D011453:Prostaglandins; D007986:Luteinizing Hormone