成骨细胞分化所需的第二个重要转录因子是一种具有锌指结构的，对骨形成十分重要的转录因子。
A second important transcription factor required for osteoblastic differentiation is osterix.
人的卵细胞分圆形和椭圆形二种。
这是通过使用早期胸腺祖细胞特征表面标记进行细胞分型做到的。
This was accomplished by sorting the cells based on surface tags that are characteristic of the ETP cell type.
干细胞分不偏倚某方，作者揭露由每个阵营所致的变形和夸张。
The Stem Cell Divide does not take sides, and the author debunks the distortions and exaggerations that come from every camp.
目的探讨外周血白细胞分素8（IL 8）在窒息新生儿中的变化及临床意义。
Objective To explore the change of IL 6 and IL 8 in asphyxia newborn and clinical significance.
白细胞分多种，如嗜中性粒细胞、淋巴细胞、嗜酸性细胞、单核细胞和嗜碱粒细胞等。
There are different types of white cells such as neutrophils, lymphocytes, eosinophils, monocytes, basophils.
这种药增加血液里的红细胞数量，将氧气吸收量提高百分之十。
The drug increases the number of red cells in the blood, enhancing oxygen uptake by 10 percent.
答案是特定细胞中只有一小部分基因在特定的时间被表达或使用。
The answer is that only a small subset of the genes in a particular kind of cell are expressed, or turned on, at a given time.
一部分胸腺组织已被肌样细胞代替。
此外，它还含有对神经细胞十分有益的维生素b1等元素。
In addition, it contains some useful elements for nerve cell such as vitamin B1.
研究人员还发现只有百分之1.5基因序列与那些组成我们细胞和组织的蛋白质相关。
Researchers have also learned that just 1.5 percent of all human genes code for the proteins that make up our cells and tissues.
在电鳗的身体中，五分之四的细胞都是专门用来发电的。电鳗能释放的电流强度大体上与它的身体长度相一致。
As many as four-fifths of all the cells in the electric eel's body are specialized for generating electricity, and the strength of the shock it can deliver corresponds roughly to length of its body.
使用这种黑色染料我们可以将染色局限在一小部分的细胞和它们的衍生部分；运气好的话，我们甚至可以获得对于整个中枢神经组织的完整视野。
The use of the black dye can be limited to a small number of cells or to more extensive groups; occasionally one may even obtain a comprehensive view of an entire area of the central nervous system.
两个星期后，毒素杀死了白鼠脊髓内约百分之八十包含此基因的细胞。
Over about two weeks, the toxin killed about 80 percent of the cells that harbored that gene.
最后，这项技术只能够重写五千分之一的细胞，这使整个过程效率非常低。
Finally, the process was inefficient, reprogramming only about one in 5000 of the treated cells.
奥堡说，两年后，男孩没有表现出脑伤恶化的迹象，而且功能良好，百分之十五的血液细胞可制造健康的蛋白质。
Two years later, the boys have shown no sign of worsening brain damage and are functioning well with 15 percent of their blood cells producing the healthy protein, said Aubourg.
万花筒：7个不同的细胞，分别涂上了蓝色、紫色和青绿色，十分招人喜爱。
Kaleidoscope: This selection of seven different cells have been coloured shades of blue, purple and turquoise to create an attractive group of molecules.
我们可能都是人类大个体的一部分，但是我们的相互作用最主要发生在个体细胞的水平。
We may all be part of some larger body of humanity, but our interactions mainly occur at the individual cellular level.
这也能解释为什么这个过程如此低效：只有很小一部分细胞恰好获得合适的剂量。
That could explain why the process is so inefficient: Only a small fraction of cells happens to receive the correct dose.
这些细胞会进而成熟和分殖。
海克米说：“人们之所以把自由基和衰老联系在一起，可能是因为自由基在线粒体(细胞的一部分)中产生是人体对衰老的应激反应。”
"Maybe the reason why free radicals and aging are correlated is because free radical production in the mitochondria (part of the cell) is a stress reaction to the damage of aging," Hekimi said.
然而，干细胞里四分之一的甲基胞核嘧啶却没有鸟嘌呤随后。
A quarter of the methylated cytosines in stem cells, however, were not followed by guanines.
我们认为自己的身体是只属于我们自己的，但事实上身体中只有十分之一的细胞属于人类细胞。
We think of our bodies as our own, but actually only a tenth of our cells are human.
为了突出分子的某种特殊功能或细胞的某一部分，动画师会按照自己的喜好选择色彩和空间。
Animators take liberty with color and space, among other qualities, in order to highlight a particular function or part of the cell.
健康细胞会不断的产生垃圾，从而使系统十分忙碌。
Healthy cells create plenty of junk that keeps the system busy.
产后妈妈可能会感觉他们的脑细胞随着睡眠在一分一秒的减少。但是新的研究让我们看到希望。
New moms may feel their brain cells dying with every cumulative hour of sleep loss. But a new study offers hope.
这些神经细胞是束状脊髓神经的一部分，称为脊髓丘脑系统，或STT。
These neurons are part of a bundle of spinal neurons called the spinothalamic tract, or STT.
结合物的细胞核基因是人类的，但是一小部分其它基因（位于细胞核外的称为线粒体的组织里面）来自兔子的遗传。
The nuclear genes of the result would be human, but a handful of other genes, which inhabit structures outside the nucleus, called mitochondria, would be inherited from the rabbit.
那些第一个区域的细胞十分敏感。
科学家已经发现了使用一小部分脑细胞在电脑屏幕上控制复杂图像的方法。
Scientists have discovered that it is possible to manipulate complex visual images on a computer screen using only a handful of brain cells.
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