These cells are able to reduplicate themselves.
这些细胞能自我复制。
These cells attached themselves and began to multiply.
这些细胞附在一起，开始繁殖。
These cells group to form 'islets'.
这些细胞成团形成一个个的“岛”。
These cells are normally dull red in colour.
这种电池一般呈暗红色。
These cells are your own (autologous transplant).
这些细胞来自于你自身(自体移植)。
These cells were the sources of the initial tumor.
这些细胞是肿瘤的来源。
These cells help relax arteries and ease blood flow.
这些细胞有助于动脉松弛和血流减缓。
Together, these cells work as the body's reward system.
这些细胞网络集合在一起构成了身体的奖励系统。
The location and the function of every one of these cells is known.
这些细胞的位置和功能生物学家们都清楚。
Instead, these cells might simply look like cancer, not act like it.
因为这些细胞只是看起来像癌细胞，其实并无癌细胞的生物学行为。
What we want to do now is determine what makes these cells effective.
我们现在想做的是确定如何让这些细胞更加有疗效。
These cells send an electrical signal to a special part of the brain.
然后这种细胞传输电子信号到大脑的特定部位。
These cells tell people when to awake, when to sleep and when to prowl.
这些细胞告诉人们何时醒来，何时睡觉，何时觅食。
This is one factor that has made the study of these cells so difficult.
这也是使得研究肥大细胞比较困难的一个原因。
When these cells lose contact with the root and form the nail body, they die.
当这些老化的细胞失去和根基的联系时，它们便形成了甲体，此时它们已经死亡。
But first, these cells must somehow learn how to use light as an input source.
但首先，这些细胞得知道怎么利用光作为输入源。
We evaluated the effect of long term culture on the senescence of these cells.
本研究的目的在于观察体外长期培养对干细胞“衰老”的影响。
A very loud noise close to the ear can destroy these cells, causing instant deafness.
耳朵附近极大的噪声可能会毁灭这些细胞，造成暂时性耳聋。
These cells detect light and touch, and then pass this information on to muscle cells.
这些细胞能侦测光线和触觉，然后把信息传达到肌肉细胞。
Even after removing the gene, these cells can still maintain a number of characteristics.
即便在基因移除之后，这些细胞仍然保持了多能的特性。
Whether these cells could actually help repair a damaged heart remains an open question, however.
然而，这些神奇细胞是否可以修复受损的心脏依旧是一个大问号。
Previous research has suggested these cells can create new blood vessels in diseased heart muscle.
此前有研究表明，这些细胞可在病变心肌内造新血管。
These are the cells that directly attack and kill microorganisms.
这些细胞可以直接攻击并杀死微生物。
These enable the cells to change their form, shape, size, connections and therefore their function.
这能让细胞改变自己的形式、外观、大小、连接，并因此改变它们的功能。
These are the cells thought to give rise to tumors.
据说这些细胞是导致肿瘤的生长的细胞。
These new dangerous substances then damage the genetic content of our cells.
这些新的有害物质会损害细胞中的遗传基因DNA。
As we age, these stem cells tend to become less responsive.
随着年龄增长，这些干细胞往往变得不那么活力。
As we age, these stem cells tend to become less responsive.
随着年龄增长，这些干细胞往往变得不那么活力。
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