“primitive streak”的概念、定义、翻译、参考文献-科学参考

单词	primitive streak
释义	primitive streak [`prim·ǝd·iv `strēk] ^EMBRYOLOGY A dense, opaque band of ectoderm in the bilaminar blastoderm associated with the morphogenetic movements and proliferation of the mesoderm and notochord; indicates the first trace of the vertebrate embryo.
随便看	Laramic orogeny Laramide orogeny Laramide revolution Laramidian orogeny Laray viscometer larch larch canker lard larderillite lard ice lardite lard oil large calorie large dyne large intestine large ion Large Magellanic Cloud large nuclei large number hypothesis large polaron large scale large-scale convection large-scale integrated circuit double-channel duplex double-channel simplex

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