设计出一个可以区分癌症干细胞和组成健康组织细胞的药物虽非易事，但是却颇有希望。
And there is the problem of designing drugs that can distinguish between cancer stem cells and those that spin off healthy tissues. But it all looks promising.
一种均质、非细胞组成、类似于纤维蛋白的物质，通常在胎盘中可见，在连接的组织及某些疾病状态下的血管壁内形成。
A homogenous, acellular material similar to fibrin, found normally in the placenta and formed in connective tissue and in the walls of blood vessels in certain disease states.
类纤维蛋白一种均质、非细胞组成、类似于纤维蛋白的物质，通常在胎盘中可见，在连接的组织及某些疾病状态下的血管壁内形成。
A homogenous acellular material similar to fibrin found normally in the placenta and formed in connective tissue and in the walls of blood vessels in certain disease states.
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