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单词 germinal disk
释义 germinal diskn.Embryology(名词)【胚胎学】
  1. A flattened, disklike region of cells from which the embryo begins to develop in the fertilized ovum of many vertebrate species. Also called blastodisk ,embryonic disk 胚盘:在许多脊椎动物的受精卵中,胚胎开始发育的一个平的、盘状细胞区 也作 blastodisk,embryonic disk
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