若开启另一套基因，这些未成熟的细胞可以发育为肝细胞。
By turning on a different set, these same immature cells can become liver.
这项研究其实就是将成熟的细胞返祖，变成类似于胚胎状态的细胞。
The technique essentially reverts mature cells to an embryo-like state.
这个日本的研究小组使用了老鼠的干细胞——有能力转变为多种体组织的未成熟的细胞。
The Japanese team used mouse stem cells - immature cells that have the ability to turn into many types of body tissue.
然而，他们却发现另一个叫做前提细胞的更成熟的细胞类型，在光秃头皮内的毛囊里被显著消耗。
However, they did find that another, more mature cell type called a progenitor cell was markedly depleted in the follicles of bald scalp.
白血病可见白细胞是淋巴细胞，但它们是母细胞——核中含有核仁的、更大的、非常不成熟的细胞。
The WBC's seen here are lymphocytes, but they are blasts — very immature cells with larger nuclei that contain nucleoli.
干细胞是不成熟的细胞，可以分化成多种多样的细胞类型，在自我更新的过程中，它们也会自我补充。
Stem cells are immature cells that give rise to multiple cell types, while also replenishing themselves through a process of self-renewal.
当异常半球中的神经元在成熟之前经历过多的细胞分裂时，就会发生这种罕见的疾病，即大脑一侧长得比另一侧大得多。
The rare disorder, in which one side of the brain grows substantially larger than the other, occurs when neurons in the abnormal hemisphere undergo too many cell divisions before they mature.
哺乳动物中的红细胞成熟时是无核的，这意味着它们缺乏细胞核。
Erythrocytes in mammals are anucleate when mature, meaning that they lack a cell nucleus.
该团队计划尽快使用该模型来研究他们是否能使用移植的胚胎和诱导的多向干细胞而不是成熟的肝细胞来产生器官。
The team plans to soon use the model to see whether they can generate organs using transplanted embryonic and induced pluripotent stem cells rather than mature liver cells.
受辐射老鼠的细胞成熟并停止复制，最终使老鼠无法在皮毛中创造色素。
The cells of the irradiated mice matured and stopped replicating, eventually leaving the mice with no way to create pigment in their fur.
另外两个相关基因随后被激活，并一直控制着细胞的发育直到完全成熟。
Two related genes are switched on later to steer the cells to full maturity.
他的骨髓正在成熟，现在可以产生红细胞了。
His bone marrow is maturing and can now produce red blood cells.
他们接下来从狗的卵母细胞（一个不成熟雌性受精前的生殖细胞）中提取DNA，并将荧光修饰的狗细胞注入其中。
They next extracted DNA from a dog oocyte (an immature female reproductive cell prior to fertilization) and injected the fluorescent-modified dog cells into it.
“干细胞不能形成成熟的神经细胞，”何宁博士说道。
"The stem cells are not maturing into neurons," Dr. Hornig said.
在发现人类胚胎干细胞的十年之后，科学家们仍致力于研究将多能细胞“哄骗”成为成熟组织细胞的标准过程。
Ten years after the discovery of human es cells, scientists are still working on standardizing procedures for coaxing pluripotent cells to become mature tissue.
幼期神经细胞的神经元突触在能够最大程度上释放神经传递素以前必须先发育成熟。
The synapses of young nerve cells must mature before they can release their neurotransmitters to the full extent.
新生神经元不是由成熟神经细胞产生的，而是来源于终身存在于大脑中的神经干细胞。
New neurons are born not from mature nerve cells but rather develop from neural stem cells that remain in our brains throughout life.
神经母细胞瘤是一种恶性肿瘤，多发生于婴儿和儿童时期，患儿不成熟的神经细胞转变成肿瘤，而不是健康的细胞和纤维。
Neuroblastoma is a malignant tumor that develops in infants and kids when their immature nerve cells turn into tumors instead of cells and fibers.
伍德乐夫说，这项发现能使研究员们了解营养细胞（颗粒细胞），也就是支撑和环绕逐渐成熟的卵的细胞，如何与卵细胞联系。
The discovery, Woodruff said, will enable researchers to understand how nurse cells (granulosa cells), the cells that support and surround the maturing egg, communicate with the egg.
细菌的存在也减低了两种有助神经细胞成熟的蛋白的数量，说明细菌引导着不同的行为。
The presence of microbes also reduced the amounts of two proteins important to nerve-cell maturation, suggesting how the microbiome leads to the differences in behavior.
通过对相似环境中生长的小鼠的大脑电子信号的记录，研究人员发现大脑感觉皮层细胞间联系形成成熟较晚。
By recording electrical signals in the brains of mice, bred to mimic the condition, the researchers found that connections in the sensory cortex in the brain were late to mature.
他们证明形成了血管的细胞是不成熟的癌细胞，常被称为干细胞样癌细胞。
They showed that the cells that give rise to blood vessels are an immature cancer cell, known as a stemlike cancer cell.
FSH催促卵细胞在卵巢的成熟。
成熟红细胞的寿命是有限的，它们的产生和凋亡必须保持精确平衡，否则会发生疾病。
Mature RBC have a finite life span; their production and destruction must be carefully balanced, or disease ensues.
干细胞是一种尚未确定成熟为何种细胞的细胞。
Stem cells are cells that have not yet decided what they want to be when they grow up.
其后，每一个胚胎的未成熟干细胞—含有99%的人的DNA—能够培育成脑、皮肤、心脏和别的组织，用以治疗畸形症等。
Then each embryo's immature stem cells - containing DNA that is 99 per cent human - can be harvested and used to create brain, skin, heart and other tissue for treating crippling diseases.
在胸腺里T细胞必须经过淘汰的过程，才能阻止有可能攻击自身组织(这些组织细胞表面表达的是自身蛋白)的T细胞发育成熟。
There they undergo a selection process designed to weed out cells that might attack the body’s own cells (which display pieces of human proteins on their surface).
在胸腺里T细胞必须经过淘汰的过程，才能阻止有可能攻击自身组织(这些组织细胞表面表达的是自身蛋白)的T细胞发育成熟。
There they undergo a selection process designed to weed out cells that might attack the body’s own cells (which display pieces of human proteins on their surface).
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