胚胎干细胞

Conclusion The ES cells can grow well and maintain in the state of undifferentiation under the conditions.

干细胞能良好生长，且保持未分化状态。

Embryonic stem cells have been the focus in tissue engin eering,dev elopmental biology,drug development and gene research.

干细胞已成为组织程、发育生物学、药物发及基因研究的热点。