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胚胎的ICM內細胞質塊 blastocyst可以取得胚胎幹細胞??

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Uploaded by on Dec 11, 2007

ICM內細胞質塊ICM內細胞質塊Stem.ICM.Blasto

胚胎幹細胞是由胚胎,尤其是曩胚期胚胎的ICM細胞內質塊取得細胞,約可以取到15到20 個細胞,來做胚胎幹細胞,因為這種胚胎因為將來可以變成一個人,因此拿ICM內質塊來做胚胎幹細胞會有倫理上的爭議,也是美國總統布希一直反對從胚胎拿幹細胞,最主要的基­礎,也是宗教界反對從胚胎取得幹細胞的倫理基礎。

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