placentation胎盤形成學術名詞胎盤形成：動物學、發生學、獸醫學胎座型：生命科學、植物學胎盤生成：醫學胎座式：植物學英文釋義the formation of the placenta in the uterusarrangement of the ovules in the placenta and of the placentas in the ovary