Senescence may be defined as the deteriorative events which precede the death of a mature cell.

衰老是成熟细胞死亡之前的败坏过程。

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We don't need a mature cell in the culture like a myocardial cell to inject to the cell because it will not follow the steps maybe.

我们不需要培养中的成熟细胞，如心肌细胞，将其注入后可能并不会按照我们预想的进行细胞分化。

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Erythrocytes in mammals are anucleate when mature, meaning that they lack a cell nucleus.

哺乳动物中的红细胞成熟时是无核的，这意味着它们缺乏细胞核。

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What's different from an immature cell and a mature cell?

不成熟细胞和成熟细胞间的差异是什么

耶鲁公开课 - 生物医学工程探索课程节选

That's just an example of a cell that in its very mature or differentiated form is quite different from other cells inside the body.

以上就是一个,分化成熟的细胞,区别于体内其它细胞的范例

耶鲁公开课 - 生物医学工程探索课程节选

The other one is a committed progenitor cell that now somehow has been changed in such a way that it's going to mature and develop into non-stem cells or the cells that make up our bodies, somatic cells.

而另一个子细胞就通过某种变化,成了定向的祖细胞,并将成熟和发育为非干细胞的细胞,就是构成我们身体的细胞,体细胞

耶鲁公开课 - 生物医学工程探索课程节选

First came the remarkable work of Shinya Yamanaka at Kyoto University, who showed it was possible, by activating just four genes, to take a mature cell (he used a bit of skin but other cells would work) and turn it into the equivalent of an embryonic stem cell with the potential to become any other cell in the body of mouse or human.

FORBES: Cells Get a Makeover, Cancer Follows: A Path to New Therapies (and a Warning to Stem Cell Alchemists)

The scientists first removed the DNA from an unfertilized human egg, and then inserted a patient's mature skin cell containing the patient's DNA into that egg.

WSJ: Experiment Brings Human Cloning One Step Closer