囊胚的英文：
blastula
The modified blastula that is characteristic of placental mammals.
胚泡转化的囊胚，为胎盘哺乳动物的特征
The formation of a gastrula from a blastula by invagination.
内陷囊胚翻转形成胚囊
The outer layer of a blastula that gives rise to the ectoderm after gastrulation.
外胚层囊胚的外层，在原肠胚形成之后生后外胚层组织
The infolding of a portion of the outer layer of a blastula in the formation of a gastrula.
肠套叠在原肠胚形成过程中囊胚的外层的折叠部分
The ingrowth and curling inward of a group of cells,as in the formation of a gastrula from a blastula.
内长一组细胞的内部或向内生长，如从囊胚到原肠胚的生长过程。
n. 胞胚
The formation of a gastrula from a blastula by invagination.
内陷囊胚翻转形成胚囊
The modified blastula that is characteristic of placental mammals.
胚泡转化的囊胚，为胎盘哺乳动物的特征
The infolding of a portion of the outer layer of a blastula in the formation of a gastrula.
肠套叠在原肠胚形成过程中囊胚的外层的折叠部分
The outer layer of a blastula that gives rise to the ectoderm after gastrulation.
外胚层囊胚的外层，在原肠胚形成之后生后外胚层组织