查询词典 germ cells

Spermatogenesis is a complex process of cell division and differentiation resulting in a series of molecular and morphological changes in male germ cells.

精子发生是一个多阶段，多步骤持续的细胞分裂和分化过程，它受到性染色体和常染色体上一系列基因的调控。

The results showed that(1) TES accelerated the meiosis and maturity of germ cells in leptotene, zygotene, pachytene, diplotene and diakinesis of prophase 1 of spermatocytes while STI inhibited the meiosis and maturity,(2) there was a significant e...

结果表明：(1)TES对前期Ⅰ5个分期的生殖细胞具有促进细胞分裂和成熟的作用，STI抑制细胞分裂和成熟；(2)TES和STI对前期Ⅰ粗线期药物效应显著；(3)TES和STI在小鼠体内最大有效效应分别持续约计70和50小时。

Moreover, unlike epiblast and EpiSCs, rESCs contribute to somatic tissues and germ cells in chimaeras.

说明通过该技术建立的rESCs干细胞系具有独特的生命分化和发育潜能。

This is the microscopic appearance of normal testis. The seminiferous tubules have numerous germ cells. Sertoli cells are inconspicuous.

正常睾丸显微镜下结构，生精小管中有大量的生殖细胞，支持细胞是难以觉察的。

The primary germ cells and Sertoli cells came from pieces of the testis seminiferous tubules of the cashmere goat.

原代生殖细胞和支持细胞由绒山羊睾丸曲细精管组织块产生，在体外共培养超过三个月。

The first 0.1%collagenaseⅣ 0.1% hyaluronidase for 20 min and than 0.25% trypsin 0.04% EDTA 5μg/mL DNaseⅠfor 5 min,its enough to obtain germ cells and have optimal cell viability. 8.4±2.6×106 cells per gram testis were isolated and there was(19.7±5.3)% of PGP9.5 spermatogonium and (23.8±3.6)% of c-kit spermatogonium.

采用两步酶消化法，0.1%胶原酶和0.1%透明质酸酶消化20 min，0.25%胰酶 0.04% EDTA 5μg/mL DNaseⅠ处理5 min，就可以使睾丸生殖细胞充分分离处出来，每克睾丸组织克获得8.4±2.6×106个细胞，其中PGP9.5 精原细胞占(19.7±5.3)%，c-kit 精原细胞占总数的(23.8±3.6)%。

This can be accomplished when an animal is produced in which the germ cells, which produce sperm or egg, are derived from the heterozygous recombinant cells.

当产生这只动物的性细胞是来自于杂合的重组细胞时，就有可能得到这样的动物。

Comparison on the effectiveness of different cryoprotectants with chicken embryo primordial germ cells,Effect of heroin dependence on expression and function of glucagon in islet a cells of rats,Establishment of transgenic mouse line skin-specifically expressing hCTLA4-Ig,Resistance selection by meilingmycin and chlorfenapyr and activity changes of detoxicated enzymes in Tetranychus urticae.

文章摘要：鸡胚胎原始生殖细胞对不同冷冻体系适合性的研究，海洛因依赖对大鼠胰岛A细胞胰高血糖素表达和功能的影响，皮肤组织特异性表达hCTLA4-Ig转基因小鼠品系的建立，二斑叶螨对梅岭霉素和溴虫腈的抗性选育及其解毒酶活力变化，北京市褐家鼠种群遗传多态性及与汉坦病毒分布关系的研究，金乌贼同工酶分析，Nogo—A在成年大鼠脑内神经元的分布。

The results show that follicular cells originate from non-germ cells,and its whole development process can be divided into four stages:scattered cell stage,unilayer flat cell stage,multilayer flat cell stage and granule cell secretion stage.

结果表明，滤泡细胞起源于非生殖细胞，并且其整个发育过程可分为4个时期：零散细胞期、单层扁平细胞期、多层扁平细胞期和颗粒细胞分泌期。

Although neoblasts are considered somatic stem cells, they are capable of giving rise to germ cells.

尽管未分化细胞被认为是体干细胞，但是它们能够产生生殖细胞。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。