• 1. mesoderm: 中胚层 | 中胚叶 | 中层
• 2. lateral mesoderm: 侧中胚层 | 侧板中胚层
• 3. intermediate mesoderm: 间介中胚层 | 中间中胚层 | 中段中胚层

更多释义

• 1.Extraembryonic mesoderm migrates through primitive streak to the presumptive yolk sac between days 6.5 and 7.0 of gestation.
  胚外中胚层在妊娠的第6.5至7.0天之间通过原始条带迁移到推测的卵黄囊。
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• 2.In the center layer (mesoderm) the heart and circulatory system are forming.
  在中胚层，心脏和循环系统正在形成。
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• 3.In the center layer (mesoderm), the heart and circulatory system are forming.
  在中胚层，心脏和循环系统正在形成。
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