精子的

The gamete is greatly specialized in the structure and function, and there are many kinds of agglutinin receptors in the plasma membrane, former studies indicated that the receptors may be associated with their roles in ovum recognition and fusion.

动物的精子和卵子是两类结构和功能均十分特化的细胞，其膜表面存在着多种凝集素受体，它们在精卵识别与融合中起着重要作用。

According to new research conducted by a New York allergist, the small minority of women who are allergic to semen could be treated with frequent sex.

根据纽约过敏症专科医师主持的最新研究，一小部分对精子过敏妇女可能可以通过频繁的性交加以治愈。

However, this study cannot prove that high folate intake caused the lower sperm aneuploidy levels, only that there is an association.

不过，这项研究并不能证明高叶酸摄入量较低所造成的精子非整倍体的水平，只是有一个协会。

Antherozoid The male gamete of algae, some gymnosperms, and the non-seed-bearing plants.

游动精子：藻类，某些裸子植物和没有种子形成的植物中的雄性配子。

Also the disomy of autosome is a little higher than gonosome, but there was no significant statistical difference among these values. In diploidy, as the frequencies ranged from 0.035% to 0.083%, heterogeneity was also not obvious.

同时在实验中观察到二体率比二倍率要高的情况，这可能意味着在精子形成的减数分裂过程中，二体更易形成。

One of the long, whiplike, modified zooids on the surface of certain bryozoan colonies.

振鞭体，鞭器一种长的改造过的鞭状游动精子，在某些苔藓虫寄生地表面生长

It was evenly localized on the whole head of the"fresh"human sperm, but became restricted to the plasma membrane of anterior head after capacitation.

结果显示：人精子在体外获能和顶体反应过程中，受精蛋白β的分布位置处于不断的变化之中。

By immunohistochemistry and in situ hybridization, GCNF was regionally expressed in the corpus, with no expression or weak expression in caput and cauda.

GCNF在附睾中的特异表达，表明GCNF可能参与精子在附睾中的成熟作用。

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。

OBJECTIVE: To evaluate the effectiveness of swim-up and gradient centrifugation preparation techniques on intrauterine insemination.

目的：系统评价上游法和密度梯度离心法在宫腔内人工授精中的应用，比较两种精子优选法的优劣。

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。