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

单词	primitive knot
释义	primitive knot noun : a knob of cells at the anterior end of the primitive streak that is the point of origin of the embryonic head process — see end bud 2
随便看	culdo- culdo Culdoscope culdoscopic culdoscopy culdotomy culet culex culgee culic culic- culici culici- culicid culicidae culicide culicidologist culicine culicoides culilawan culilawan culilawan bark culinarian culinary culino

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