- 基本释义
- 英英释义
- 更多资料
- 1. 【医】胚外中胚层
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网络例句
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- The product of conception at any point between fertilization and birth. It includes the embryo or the fetus as well as the extraembryonic membranes.

胚胎从受精到出生期间任一阶段产物的通称,它包括了合子或胎儿甚至胚胎膜
