查询词典 stem

Here, we report that SSEA-4, an early embryonic glycolipid antigen commonly used as a marker for undifferentiated pluripotent human embryonic stem cells and cleaage to blastocyst stage embryos, also identifies the adult mesenchymal stem cell population.

SSEA是在未分化的人胚胎干细胞表面早期表达，在胚泡期被剪切的一种糖脂类抗原，作者发现，SSEA也可以用来鉴定间充质干细胞。

Thus the whole note or semibreve has no stem, but the relative duration of the half note or minim, half the length of the whole note is indicated by the addition of a stem.

因此全音符没有符干，二分音符的时值，用在全音符上加一条符干来表示。

Thus a stem with two flags, so called from their appearance, indicates a 16th note or semiquaver, a note of half the duration of a stem with one flag, an 8th note or quaver, and so on.

带两个符尾的符干，以其外形得名，表示一个16分音符，带一个符尾的符干，表示一个8分音符，以此类推。

Once you have removed the old handlebar stem, you need to fix the new handlebar stem.

一旦您已删除了旧的车把干，你需要解决的新车把干。

This will keep the handlebar stem in place as you fix the handlebar to the handlebar stem.

这将保持车把干在你修复车把的车把干。

Objective To investigate the differentiation of bone marrow-derived mesenchymal stem cells into neurons and transplantation of the stem cells to repair rat hemisection spinal cord injury.

目的 初步探讨骨髓间充质干细胞诱导为神经细胞，及其移植对大鼠脊髓半横断损伤神经功能恢复和运动的影响。

The neural stem cells can be isolated from human embryonic cerebral tissue . The ratio of cell clone formation from smaller gestational age is higher than that from elder gestational age .The differentiation of neural stem cells from hindbrain is easier than that from forebrain.

从人胚脑组织的前、后脑中分离出神经干细胞；较小胚龄的脑组织原代培养时细胞克隆的形成比例较高；后脑组织分离的南京医科大学硕士学位论文神经干细胞比前脑组织来源的更容易分化。

To isolate forebrain and hindbrain of human fetuses about 9 weeks and 12 weeks from spontaneous abortion. Neural stem cells were cultured in special culture medium and were compared with growth characterization.The differentiation from these neural stem cells was investigated in both a fetal bovine serum-containing and a non-supplemented,serum-free basal medium.

材料与方法：利用神经干细胞的条件培养基，对从9周和12周胚龄的自然流产胎儿分离的前脑、后脑进行神经干细胞培养，比较其生长特性，并分别观察在无生长因子的基础培养基以及含有胎牛血清的培养基中神经干细胞的分化情况。

Free software world has " ultraist ", this is him why asymmetry breathes out one of main reasons that his labour regards free software as, he does not think with antiforeign creed person buy a concern with the person that hate, he admits this may stem from self, but all opening source code is to stem from hoggish element drive actually.

自由软件世界有"极端主义者"，这是他为什么不称呼他的工作为自由软件的主要原因之一，他不想与排外主义者和仇恨者扯上关系，他承认这可能出于私心，但所有开源代码其实都是出于利己因素驱动的。

Corneal stem cells disease: concepts, categorization, and treatment by auto-and homotransplantation of limbal stem cells.

体外培养的兔和人角膜缘干细胞在培养的初期(传第1、2代)与体内角膜干细胞具有相似的生物学特征，即增殖能力高、具有干细胞固有的分化特征。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切