英语词汇“primitive pit”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	primitive pit
释义	DictionarySeepit primitive pit prim·i·tive pit the depression in the primitive node that serves to connect the notochordal canal with the surface ectoderm. primitive pit A minute depression at the anterior end of the primitive groove or streak and immediately posterior to the primitive knot.See also: pit LegalSeePit
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primitive pit