Stem cells which exist in the individual life are the cell population with high self renewal capacity and multiple differentiation potential.

干细胞是个体生命过程中产生和存在的具有高度自我更新能力和多向分化潜能的细胞群体。

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While self-renewal is now beginning to be understood at a molecular level, what remains unclear is how its individual elements (i. e. , proliferation and inhibition of differentiation) are regulated.

人们刚刚开始在分子水平了解自我更新，我们依旧未知的是它的单独的原理（比如分化的增殖和抑制）是如何调控的。

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Renewal Unit: Refers to any division within the renewal area implemented as an individual urban renewal business.

三更新单元：系指更新地区内可单独实施都市更新事业之分区。

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