查询词典 stem

Mouse embryonic stem cells can give rise to ectodermal derivatives in culture and can be further induced into neurons and glia for cell-replacement therapies in the central nervous system and for use in drug discovery.

小鼠胚胎干细胞（embryonic stem cell ， ES cell）体外作育可以剖析成为外胚层结构，并进一步剖析为神经元和神经胶质细胞。这些细胞已用于中枢神经体系疾病的细胞替换治疗和治疗药物的研发。

Mouse embryonic stem cells can give rise to ectodermal derivatives in culture and can be further induced into neurons and glia for cell-replacement therapies in the central nervous system and for use in drug discovery.

小鼠胚胎干细胞（embryonic stem cell ， ES cell）体外培养可以分化成为外胚层组织，并进一步分化为神经元和神经胶质细胞。这些细胞已用于中枢神经系统疾病细胞替代治疗和治疗药物研发。

Mouse embryonic stem cells can give rise to ectodermal derivatives in culture and can be further induced into neurons and glia for cell-replacement therapies in the central nervous system and for use in drug discovery.

小鼠胚胎干细胞定向分化为神经细胞的研究进展论文小鼠胚胎干细胞（embryonic stem cell ， ES cell）体外培养可以分化成为外胚层组织，并进一步分化为神经元和神经胶质细胞。

Mouse embryonic stem cells can give rise to ectodermal derivatives in culture and can be further induced into neurons and glia for cell-replacement therapies in the central nervous system and for use in drug discovery.

来源：中国论文服务下载 [ 07-06-18 17：33：00 ] 作者：陆建峰，宋后燕编辑：king 小鼠胚胎干细胞（embryonic stem cell ， ES cell）体外培养可以分化成为外胚层组织，并进一步分化为神经元和神经胶质细胞。

DATA SOURCES: The Medline was undertaken to identify the relevant articles published from January 1991 to January 2006 with the key words of ＂mesenchyma stem cells,origin,research progress＂ in English.

资料来源：应用计算机检索Medline1991-01/2006-01期间的相关文章，检索词为&mesenchyma stem cells，origin，research progress&，并限定文章语言种类为English。

Neural stem cells are operationally defined as mitotically competent, self-renewing, and multipotent cells able to differentiate along three main cell lineages in the early neurogenesis (i.e., neurons, astrocytes, and oligodendrocytes).

神经干细胞(neural stem cells，NSCs)广泛存在于胚胎脑组织中，也存在于成年哺乳动物的神经系统。NSCs具有自我更新能力，能够定向分化为神经元、星形胶质细胞和少突胶质细胞。

To study the effect of autogeneic PRP on prol iferation and osteogenetic differentiation of human adipose-derived stem cells in vitro.

探讨自体PRP 对体外培养人脂肪来源干细胞（adipose-derived stem cells，ADSCs）增殖及成骨分化的影响。

Methods Rat bone mesenchymal stem cells were isolated from adult rats bone marrow by Ficoll -Paque density gradients, cultured and amplified in vitro, and then identified by flow cytometry ; Middle cerebral artery occlusion model of regional cerebral ischemia in rats were made by thread embolizing.

方法Fieoll-Paque分离液梯度离心分离大鼠骨髓间质干细胞（rat bone mesenchymal stem cells，rMSCs），经体外培养扩增并流式细胞术鉴定；线拴法制作大鼠大脑中动脉闭塞脑局灶缺血模型，Hoechst33342标记细胞，分别通过静脉移植及立体定向局部移植到大鼠缺血侧纹状体。

The effects of enhanced UV-B radiation on plant height and stem diameter of 10 wild sugarcane (Saccharum spontaneum L.) clones for 3 consecutive years under field condition was investigated.

wild Sugarcane； stem diameter ；研究了大田栽培和自然光条件下，连续3年模拟紫外辐射(UV-B，280~315nm)增加对10个割手密无性系伸长期株高和茎径的影响。

Therefore, a stem can be defined as a form to which affixes of

问题：Stem 和 root 有一个最大的区别在哪里？

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。