To investigate the methods of constructing tissue engineering skin by ES-derived epidermal-like stem cells and collagen sponge, and to lay a basis for seeking new tissue engineering skin.
目的探讨以es细胞源表皮样干细胞构建组织工程皮肤的方法，为构建新的组织工程皮肤奠定基础。
Goat epidermal stem cells were round or elliptical at beginning of in vitro culture with big obvious nucleus, then became colony-like, could grow 14 ~ 20 d.
山羊皮肤干细胞在体外培养开始呈圆形或椭圆型、核大而明显，随后成集落样生长，并可维持14 ~ 20天。
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