Those taken from days-old embryos, called embryonic stem cells, are the most malleable and can produce all of the cell types.
从几天大的胚胎中获取的这些细胞叫作胚胎干细胞，是最有分化性的，能分化成各种细胞类型。
So the scientists in this study, employing a pharmacological treatment over 40 days, seeded feeder cells with human embryonic stem cells.
因此，科学家们在这项研究中，采用超过40天的药物处理，用人类胚胎干细胞种植饲养细胞。
In vitro culture of corneal epithelium of 10 days chick embryonic eyes showed that a prominent effect of cells proliferation induced by epidermal growth factor (EGF) of mouse.
鸡胚角膜上皮组织离体培养试验表明，小鼠表皮生长因子对10日龄鸡胚角膜上皮组织有显著的增殖效应。
In vitro culture of corneal epithelium of 10 days chick embryonic eyes showed that a prominent effect of cells proliferation induced by epidermal growth factor (EGF) of mouse.
鸡胚角膜上皮组织离体培养试验表明，小鼠表皮生长因子对10日龄鸡胚角膜上皮组织有显著的增殖效应。
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