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Brain into brawn

机译:大脑变得强壮

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摘要

Within the body, as in the wider world, some individuals lead more interesting lives than others. Most of the cells that make up a body's tissues are stuck in dead-end jobs, such as making hormones or lining blood vessels, with little prospect of a career change or even of reproduction. But an elite group, known as stem cells, have far wider opportunities. When given the right biochemical signals, these cells, which are found in many organs from skin to bone marrow, can divide and transform themselves into a range of different cell-types as and when the need arises.
机译:在人体内,就像在更广阔的世界中一样,有些人的生活比其他人有趣。组成人体组织的大多数细胞被困在无用的工作中,例如制造激素或衬里血管,几乎没有职业改变甚至生殖的希望。但是,一个称为干细胞的精英团体拥有更多的机会。当获得正确的生化信号时,在皮肤和骨髓等许多器官中发现的这些细胞可以在需要时分裂并转化为一系列不同的细胞类型。

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