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

胚胎干细胞能良好，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.

胚胎干细胞已成为组织工程、发育物学、药物发及基因研究的热点。