This is a study on the cultivation condition in vitro and differentiation of neural stem cells from human embryonic brain in order to find a way to get purified multipotential neural stem cells.
为了探讨人胚神经干细胞体外培养条件和分化情况，摸索出一种切实可行的获得较纯、多潜能人胚神经干细胞的方法。
Objective To isolate and culture human neural stem cells from elder embryonic brain.
目的从大胚龄人胚脑中分离培养并鉴定神经干细胞。
Human brain plays a crucial role in the life of individual, from embryonic development to growth, maturation and aging.
从胚胎发育到个体生长、成熟、衰老的整个生命过程中，脑组织始终发挥着十分重要的作用。
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