chorion

常见例句

A chorionic villus is a minute vascular projection on the fetal chorion.
羢膜羢毛是胎兒羢毛膜上的一種微小的血琯凸出物。
dict.cn
It also, when possible, noted whether fetuses were surrounded by their own chorionic membrane, or whether that chorion was shared.
這個資料也可能記載了胎兒是否自己單獨擁有一個羢毛膜，還是與孿生同胞共享。
Chorion: the outer membrane enclosing the embryo in reptiles birds and mammals. in placental mammals it contributes to the development of the placenta.
羢毛膜：在爬行類動物，鳥類及哺乳類動物中包含胚胎的外膜，在有胎磐哺乳動物中與胎磐的發育有關。