精子的

The morphology and acrosome reaction of sperm may be two important parameters to evaluate the function of fertilization.

因此，精子形态分析和顶体反应二项参数，在自然周期和IVF周期中，对受精功能的评价有着不同的参考价值和意义；同时，在人类辅助生殖技术实施过程中可以作为选择不同辅助生殖技术的依据。

Aims and methods: To investigate the distribution of oncoprotiem, ErbB2 in mouse testis, epididymidis, ovaries, oviducts, oocytes-cumulus cells complex and sperms, immunobistochemical method was used.

目的和方法：用免疫组织化学的方法观察ErbB受体家族成员ErbB2在小鼠睾丸、附睾、卵巢、输卵管、卵母细胞—卵丘细胞复合物和精子上的分布。

A contraceptive device consisting of a small thimble-shaped cup that is placed over the uterine cervix to prevent the entrance of spermatozoa.

一种小形杯状的放在子宫口防止精子入内的避孕用具。

Choose sitting on the couch, watching mind-numbing, spirit-crushing game shows, stuffing junk food into your mouth.

选择腐朽，由你精子造出取代你的自私小鬼，可以说是最无耻的事了。

Our recent study revealed that YWK-Ⅱ protein may act as a Go-coupled receptor on the sperm membrane since it cytoplasmic domain binds to Go, a GTP-binding protein.

最近的研究表明YWK-Ⅱ蛋白胞内区能与Go蛋白特异结合，可能是一种精子膜上具有单跨膜结构的G蛋白偶联受体。

Your DNA on the bedsheets they were murdered in?

你的精子会在她们被谋杀的地方被找到？

Inside the male vas deferens , the sperm cells are transported the same way since they are still unable to move by themselves at that point.

在男子的输精管内，精子以同样的方式被运送，因为在输精管内它们仍不能自主运动）。

"Instead of growing super strength to fight for a female, they grow lots more sperm to increase their chances of fertilising her eggs and fathering the next generation."

&这种雄蜣螂会产生很多精子来增加让雌蜣螂受孕的几率，从而繁衍出下一代，而不是凭借力气来博得雌蜣螂的青睐。&

Some investigators have hypothesized that estrogens and other hormonally active agents found in the environment might be involved in breast cancer increases and sperm count declines in humans as well as deformities and reproductive problems seen in wildlife.

一些调查人员推测雌激素和其他激素活跃于环境中代理人可能在乳腺癌的增加和人类的精子数量下降以及畸形和野生动物出现生殖问题有关。

However Feng et al (1997) and Wakayama et al (1997, 1998) have first reported that followed by injection of PbI into the enucleated oocyte, which was injected into the head of sperm, and the recombinant oocyte could produce a mouse offspring with generational function.

然而，Feng等（1997），Wakayama 等（1997、1998）的研究结果证实：将PbI注入去核卵母细胞后再注入精子头部可以产生具有生殖功能的小鼠后代。

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。