产生精子的

The testis which was ignored by previous authors consists of nine finger-shaped lobes on each.

在一次发育期中精子的发生大约持续两个月，产生的精子量大；雄虾具有多次交配的能力。

Finally, doctors would irradiate the man's testes to destroy any remaining sperm-producing cells and reimplant the altered ones.

最后，医生通过照射他的睾丸杀死能产生精子的剩余细胞，并重新植入经过修补的细胞。

Irradiate'.'' the man's testes to destroy any remaining sperm-producing cells and reimplant the altered ones.

照射'。''他的睾丸杀死能产生精子的剩余细胞，并重新植入经过修补的细胞。

"Spermatogenesis is a long and complex process controlled by multiple interacting mechanisms, and there is a general consensus on the need for FSH in the regulation of this process," write Carlo Foresta, MD, and colleagues from the University of Padova in Italy.

精子的生成是一个很长且很复杂的过程，它是由多种彼此作用的机制控制的，在这个过程中，一般都一直需要卵滤泡刺激素的作用，」意大利Padova大学的Carlo Foresta医师及其同事写道：「从睾丸细胞学分析的结果可以看到，采用100 IU剂量的重组人卵滤泡刺激素隔日使用，以刺激精子产生的过程，同时，还可以增加射出的精子的数目，并加强抑制素B的分泌。

Spermatogenesis is the name given to the process that occurs in the seminiferous tubules, which produces sperm. This process goes on all the time from the onset of puberty, in fertile males.

精子发生的名称是考虑到过程，是发生在曲细精管，产生精子，这个过程继续下去，所有的时间从一开始就青春期，在肥沃的男性。

In conclusions: 1 The treatment that buffalo occytes are cultured in Ionomycin (5 min)+CDM (3 h)+ 6-DMAP(3 h) after ICSI with sorted sperm can improve their subsequent embryonic development; 2 The dead ultrasoniced sorted sperm can be used for ICSI; 3 The result of ICSI with sorted sperm is similar to that with unsexed sperm, but the result of IVF with sorted sperm is lower than that with unsorted sperm; 4 The treatment of heparin after ICSI with sorted sperm can improve the blastocyst development rate; 5 The development rate of blastocyst with sorted sperm was variable among buffalos indicating that sorting high quality sperm from specific buffalos can increasethe efficiency of ICSI.

结果表明：1水牛分离精子ICSI后用Ionomycin(5min)+CDM(3h)+6-DMAP(3h)方法激活处理能提高其胚胎发育率；2分离后的死精子经超声断尾也能用于水牛卵母细胞的ICSI；3分离精子的ICSI效果不低于未分离精子，但分离精子的IVF效果却低于未分离精子；4肝素能促进分离精子ICSI后的胚胎发育；5分离精子ICSI后的胚胎发育率在不同公牛之间有差异，选择能产生高质量精子的公牛进行精子分离，可以提高ICSI的效率。

"Conclusively, the present study shows that toremifene administration... results in significant improvements of all three main semen parameters -- namely sperm count, motility and morphology -- mediated by increased gonadotropin secretion and possibly a direct beneficial effect of toremifene on the testes," researcher Dr. Anargyros Kourtis told Reuters Health.

研究人员Anargyros Kourtis博士告诉路透社，目前的研究表明，使用托瑞米芬后，在促性腺激素分泌增加以及托瑞米芬对睾丸可能产生直接的有益作用的介导下，三个主要的精液参数，即精子计数、精子活力和精子形态都可以得到显著改善。

They announced in the proceedings of the National Academy of Sciences that they had removed sperm - producing cells from mice and exposed them to a virus that shuttled in a new gene.

他们在《全国科学院学报》上宣布，他们从老鼠身上取出产生精子的细胞，将它们接触存在于一种新基因里的病毒。

A unique example of sperm cooperation in monotremes is used as evidence that the epididymis produces sperm competition proteins to form groups of 100 sperm into bundles that have a forward motility nearly thrice that of individual spermatozoa.

本文为此提供了证据，证据之一是单孔类动物精子的协作模式。附睾产生精子竞争蛋白，将100个精子集结成束，其向前运动性是单一精子的三倍。

One main functionality of men is to produce semens, but we already have banks for that nowadays.

男人的主要功能时产生精子----但我们现在有了精子银行。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。