title: Source of circulating progesterone in prepubertal ewes.
mesh_terms: D000375:Aging; D000818:Animals; D002369:Castration; D003338:Corpus Luteum / Q000378:metabolism*; D005260:Female; D007601:Jugular Veins; D010053:Ovary / Q000098:blood supply / Q000378:metabolism*; D011374:Progesterone / Q000096:biosynthesis / Q000097:blood*; D012756:Sheep / Q000378:metabolism*; D014680:Veins
chemical_list: D011374:Progesterone