There is overwhelming evidence that the tumor clone including brain tumor is heterogeneous with respect to both morphology and function,which indicates differentiation potential of tumor stem cells.

• 大量事实表明,包括脑肿瘤在内,所有肿瘤细胞群落之间在形态和功能上存在很大差异,其异质性与肿瘤干细胞的分化潜能有关。