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内细胞团

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内细胞团
Blastocyst zh-hans.svg
囊胚(Blastocyst)时期胚胎,绿色为内细胞团
Gray's subject #6 46
卡内基分期 3
日数 6
前体 囊胚
发展结果 上胚叶(epiblast)与下胚叶(hypoblast)
爱思唯尔
(Dorlands/Elsevier)
m_04/12515766

内细胞团(英语:Inner cell mass,缩写:ICM、内细胞群)是大多数真兽类哺乳动物在胚胎发生中的一个早期阶段,又称胚细胞embryoblast)。是一团位于初期胚胎中的一个细胞团块,也是最后将会发育成为胎儿的部位。

在科学研究上,内细胞团是早期干细胞的来源之一[1],可以形成除了滋养母细胞(trophoblast)以外的任何类型组织[2]

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内细胞团
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