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单词 胎膜
释义 DEFINITIVE EXAMPLES 权威例句〔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美国传统〔chorionic villus〕One of the minute vascular projections of the fetal chorion that combines with maternal uterine tissue to form the placenta.绒毛膜绒毛:是一种具有微血管的胎膜的突出物,由母亲的子宫组织组成,用以形成胎盘美国传统〔conceptus〕The product of conception at any point between fertilization and birth. It includes the embryo or the fetus as well as the extraembryonic membranes.胚胎:从受精到出生期间任一阶段产物的通称,它包括了合子或胎儿甚至胚胎膜美国传统
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