We were looking for the mouse cells the mouse embryonic stem cells that we had coaxed into early ear cells whether they were able to form ear cells.

再来看看那些经诱导,发育成早期耳细胞的,老鼠胚胎干细胞,能否发育成耳细胞。

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So we need to get embryonic stem cells to form surface cells.

那么，我们就应该从表层细胞中提取胚胎干细胞。

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It's no longer capable of self-renewal to form another stem cell.

不再能自我更新,从而生成另一个干细胞了

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In terms of function they're very important because this stem cell which is produced goes back into the population of stem cells and is able to repeat this process to form new committed progenitor cells and to form new stem cells.

但就功能而言这些干细胞则至关重要,因为这类分裂产生的子细胞,依然是干细胞,可以再次重复上述步骤,生成新的定向祖细胞,和新的干细胞

耶鲁公开课 - 生物医学工程探索课程节选