title: Hormonal control of changes in the direction of uterine contractions in the estrous ewe.
mesh_terms: D000818:Animals; D002369:Castration; D004958:Estradiol / Q000494:pharmacology*; D004971:Estrus; D005260:Female; D009068:Movement; D010060:Ovulation; D011247:Pregnancy; D011374:Progesterone / Q000494:pharmacology*; D012756:Sheep / Q000502:physiology*; D014590:Uterine Contraction; D014599:Uterus / Q000033:anatomy & histology
chemical_list: D011374:Progesterone; D004958:Estradiol