gastrula invagination.
原肠胚内陷
The formation of a gastrula from a blastula by invagination.
内陷囊胚翻转形成胚囊
Embryology The splitting of the blastoderm into two layers of cells to form a gastrula.
指囊胚层分裂两个细胞层，形成一个原肠胚。
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 central cavity of the gastrula, which ultimately becomes the intestinal or digestive cavity.
原肠原肠胚的中心空, 它最终成为肠。
archenterons The central cavity of the gastrula, which ultimately becomes the intestinal or digestive cavity.
原肠原肠胚的中心空腔, 它最终成为肠腔或消化腔。
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