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单词
embryonic disk
释义
embryonic disk
n.
(名词)
A platelike mass of cells in the blastocyst from which a mammalian embryo develops. Also called
embryonic shield
胎盘:在胚泡中细胞组成的盘状物,哺乳动物的胚胎在此发育 也作
embryonic shield
See
germinal disk
参见
germinal disk
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更新时间:2026/9/15 19:13:39