blastocyst的例句（blastocyst在句子中的用法）

• The attachment of the blastocyst to the lining of the uterus. 胚泡附着到子宫内膜.这一过程称为植入.
• The blastocyst is then surgically introduced into the uterus of a foster mother. 然后通过手术把胚囊引进寄养母体的子宫内.
• Shortly after implantation the blastocyst wall, the trophoblast, consists of two layers of cells. 植入之后不久,胚囊的壁, 即滋养细胞含有两层细胞.