| 释义 |
〔caul〕A portion of the amnion, especially when it covers the head of a fetus at birth. Also called pileus 胎膜：羊膜的一部分，尤指当包着出生时的胎儿头部时 也作 pileus〔chorioallantois〕The highly vascular fetal membrane that consists of the fused chorion and allantois, found adjacent to the eggshell in reptiles and birds and constituting the placenta in most mammals.绒毛膜尿囊：由融合的绒毛膜和尿囊组成的富含血管的胎膜组织，存在于爬行类动物和鸟类的蛋壳附近，并且构成大多数哺乳动物的胎盘〔afterbirth〕The placenta and fetal membranes expelled from the uterus following childbirth.胞衣：分娩后子宫排出的胎盘和胎膜 |