chorion

常見例句

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(gè)資料也可能記載了胎兒是否自己?jiǎn)为?dú)擁有一個(gè)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(dòng)物，鳥類及哺乳類動(dòng)物中包含胚胎的外膜，在有胎磐哺乳動(dòng)物中與胎磐的發(fā)育有關(guān)。