| 单词 | 原肠 |
| 释义 | 〔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〔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 |
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