精子发生的

She didn't make love with anyone and she have just swam in hotel in Poland.So his mather was sure that her daughter has fetation as a man swimming in hotel.

凯特称她从未和人发生过性关系，并且她在埃及旅游时，只在当地一家宾馆的游泳池中游过泳，因此马格达莱娜坚信是游泳池中的某个男性的精子让女儿怀了孕。

In about 30 per cent of cases, however, there is no family history of haemophilia, these cases arise as a result of new mutations occurring in the cells that produce eggs or sperms in the parents.

在大约30 ％的情况下，不过，有没有家族病史，血友病，这些个案出现，由于新的基因突变发生在细胞产生卵子或精子在家长。

This particular pattern of phosphorylation is associated with the ontogeny of fully functional spermatozoa that are capable of fertilizing the oocyte.

这种特殊的磷酸化形式与具有精卵结合能力的全功能精子的个体发生相关。

Follicle Stimulating Hormone and Luteinizing Hormone play a crucial role in the oogenesis and spermatogenesis of vertebrates.

可能调节繁殖蚁、兵蚁、工蚁的产生。这是首次证实FSH和LH在白蚁脑中的存在及分布，为揭示其在昆虫精子和卵子发生过程中的分子机制提供了直接证据。

Furthermore, GDNF also play an important role in kidney development and spermatogenesis.

此外，GDNF在外周组织如肾脏的发育和精子的发生等方面，具有显著的调节功能。

Spermatogenesis and spermiogenesis are a series of highly ordered process of molecular and cellular events, regul...

精子的发生和成熟是个十分复杂的过程受多种蛋白的调节。

Spermatogenesis and spermiogenesis are a series of highly ordered process of molecular and cellular events, regulated by many kinds of proteins.

精子的发生和成熟是个十分复杂的过程受多种蛋白的调节。

The five kinds of male germ cell cytogenetic assays used to detect genotoxicity of ani-mal drugs to each spermatogenetic stage of male germ cells,such as spermatogonia, primary spermatocytes, secondary spermatocytes,spermatids and spermatozoa,had beensystematically studied.

本文系统地研究了适合我国国情的检测兽药对哺乳动物精原细胞、初级精母细胞、次级精母细胞、精细胞和精子等各个发生阶段雄性生殖细胞遗传毒性的5种测定方法，并首次为国产阿维菌素安全性毒理学评价提供了系统的雄性生殖细胞遗传毒性资料。

Occasionally, the inseminated sperm can cause an infection in the uterus that leads to a condition called endometriosis, although this occurs in less than 1% of cases.

偶尔，受精的精子可能会导致感染，在子宫内，导致一个条件所谓子宫内膜异位症，虽然这发生在不到1 ％的病例。

In other words, the embryonic period and the infancy of testicular tubules is solid thin tube, did not occur and mature sperm.

也就是说，胚胎期和婴儿期睾丸内的曲细精管是实心的细管，并没有精子的发生和成熟。

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。