与其他通过伤疤进行愈合的典型哺乳动物不同，这些老鼠则通过形成一种胚基以帮助细胞快速生长。

Unlike typical mammals, which heal wounds by forming a scar, these mice begin by forming a blastema, a structure associated with rapid cell growth.

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近年来的研究发现，肾发育过程中的胚基残留，分化障碍可能是肾母细胞瘤发病的原因之一。

For these years, residua of metanephric blastema and delay of differentiation in the development of kidney have been considered the cause of nephroblastoma.

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多数是在鸡胚中生产的灭活病毒疫苗，一些是在细胞培养基中生产的灭活疫苗，还有几个减活病毒疫苗。

Most will be inactivated virus vaccines made in eggs, some will be killed virus vaccines made in cell cultures and a few will be live attenuated virus vaccines.

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