When the fully developed and functional cells have been formed, they leave the marrow and enter the blood.

当这些发育成熟并且具有各种功能的细胞制造完成，它们便离开骨髓，被释放入外周血中。

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Stem cells can be expanded in large numbers and retain their ability to differentiate into mature functional cells.

干细胞具有自我复制的能力，在一定条件下，它可以分化成各种功能细胞。

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Cells are often organized into functional modules that are repeated in complex biological systems.

在复杂的生命体系中，细胞经常被有序排列成一个一个的功能模块。

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That difference has functional consequences for the daughter cells in that one of the daughter cells becomes what's called here a committed progenitor cell.

而这些差异会导致子细胞,产生一些功能上的变化,其中一个子细胞会成为,所谓的定向祖细胞

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The research has been promising so far, and has increased the number of functional liver cells the team has been able to maintain in artificial tissues.

ENGADGET: Researchers use 3D printer, sugar, to create a fake artery network for lab-grown tissue

It has already been shown that small pellets of the right type of cells transplanted into the jaw can develop into functional teeth.

BBC: Researchers grow teeth from gum cells

Because fumonisin prevents the folic acid from being absorbed by cells, the toxin can, in effect, induce functional folic acid deficiency and thereby cause neural tube defects such as spina bifida even when the diet contains what otherwise would be sufficient amounts of folic acid.

FORBES: Bittman of the 'New York Times': Always Out To Lunch