gastrula
英 ['gæstrʊlə]
美['gæstrʊlə]
- n. [胚] 原肠胚；胚囊
英英释义
- 1. double-walled stage of the embryo resulting from invagination of the blastula; the outer layer of cells is the ectoderm and the inner layer differentiates into the mesoderm and endoderm
实用场景例句
- However , content of the dissolvable protein and amino acid during gastrula stage during blastula stage.
- 总氨基酸含量在胚胎发育早期下降较快, 胚胎发育至后无节幼体期氨基酸含量下降幅度变缓.
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双语例句
- 1. However , content of the dissolvable protein and amino acid during gastrula stage during blastula stage.
- 总氨基酸含量在胚胎发育早期下降较快, 胚胎发育至后无节幼体期氨基酸含量下降幅度变缓.
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英文词源
- gastrula (n.)
- 1874, a Modern Latin coinage (Haeckel), from Latin gaster, from Greek gaster (genitive gastros) "stomach" (see gastric) + Latin -ula, diminutive suffix. Related: Gastrular; gastrulation.
词态变化
复数: gastrulas;