| 单词 | 原肠胚 |
| 释义 | 〔epiblast〕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〔gastrula〕An embryo at the stage following the blastula, consisting of a hollow, two-layered sac of ectoderm and endoderm surrounding an archenteron that communicates with the exterior through the blastopore.原肠胚：一种囊胚之后的胚胎，含有中空、两层的外胚层和内胚层，包围着通过胚孔跟外界交流的原肠〔archenteron〕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〔invaginate〕To infold or become infolded so as to form a hollow space within a previously solid structure, as in the formation of a gastrula from a blastula.套叠：折叠或变成折叠以便在原先实心的结构中形成一个中空的空间，如囊胚形成原肠胚的过程 |
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