Placental influence on uterine activity in the cow.
D000818:Animals; D002417:Cattle; D005260:Female; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000502:physiology*; D010926:Placental Hormones / Q000502:physiology*; D011312:Pressure; D011374:Progesterone / Q000502:physiology*; D014599:Uterus / Q000502:physiology*
D010926:Placental Hormones; D011374:Progesterone