单词：germinal disc
[医] 胚盘, 胚层
词型变化：名词复数形式 : germinal discs
germinal disc的用法和样例：
例句
- After gastrulation, the embryo consists of a three-layered, flat, oval germinal disk.原胚肠形成后，胚胎由一个三层的扁椭圆形胚盘形成。
【近义词】
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