The release time of apyrene sperm was early than that of eupyrene sperm.

无核精子的释放时间早于真核精子束。

The spermatozoon of Hucho taimen consisted of a head, a midpiece and a tail.

哲罗鱼的精子由头、中段组成。

In human reproduction,one female egg is usually fertilized by one sperm.

在人体生殖过程中,一个精子使一个卵子受精。

Syngamy - The fusion of egg and sperm cells into a zygote.

Syngamy -融合卵精子细胞成受精卵。

Capacitation of acrosome; Process of pregnancy.

精子获能;妊娠的过程。

Only one sperm fertilises an egg.

只有一个精子使卵子受精。

Objective To study the relationship of prostasomes in succus prostaticus and motility of spermatozoa.

目的研究前列腺液中前列腺小体与精子活力的关系。

The sperm originate in gonial cells (spermatogonia) in the walls of seminiferous tubules.

精子产生于输精管壁的性母细胞（精原细胞）。

All bdelloid rotifers are female, and they make embryos without any need for sperm.

所有的蛭形轮虫都是雌性，而且牠们不需要精子就可以产生胚胎。

The ultrastructure of the blepharoplast and the multilayered structure (MLS) in the fern Osmunda cinnamomea var.

精子发育过程中的生毛体多层结构的超微结构行了研究。

Objective: To explore the reliability of the method PRINS for detection of spermic aneuploidy.

探索应用引物原位标记技术分析精子染色体非整倍性的可靠性。

The sperm morphology analysis using semiautomated sperm morphology analyzer (ASMA) was performed.To analyze Ureaplasma urealyticum, the culture method was used.

采用计算机自动检测系统下人工修正法行精子形态分析，计算机自动分析精子密度、活率、活力等精液参数。

The presence of immotile sperm or sperm shaking in place and not demonstrating forward motion is suggestive of immunologically related infertility.

如果存在非运动精子或原地摆动但不向前运动的精子要考虑免疫因素引起的不孕。

Result The therapy can turn the AsAB and EmAB of patient from positive to negative and make her become pregnant.

结果中医药治疗后,抗精子抗体、抗子宫内膜抗体阳性转阴并妊娠,结果有显著性差异。

Objective To investgate the treatment of asthenospermia and necrospermia infertility with percutaneous vasal sperm aspiration ( PVSA) and intrauterine insemination ( IUI) .

目的探索采用经皮穿刺输精管吸精子(PVSA)行宫腔内人工授精(IUI)的法治疗极弱精子症或死精子症不育患者。

To a certain degree, sperm head membrane maybe is the key factor to the androgenesis of the gynogenetic silver crucian carp eggs.

在某种程度上表明：精子膜蛋白可能是雌核发育银鲫卵子行雄核发育的关键因素。

Abstract： Aim:To establish the methods of microfertilization and explore the fertilizing potential of mouse sperm obtained from caput epididymidis and cauda epididymidis.

摘 要： 目的:建立显微受精的法，并探讨小鼠附睾精子在显微注射入卵母细胞后的受精能力。

Semens were collected at 1， 4， 8， 12， 16， 24， 36 and 44 weeks after gossypol treatment and 10 weeks after stopping treatment.

于服药后1、4、8、12、16、24、36、44周及停药后10周采集精液，对照组于相同时相采取精液，分析精子碱性核蛋白的变化。

In the adult, or medusa stage of a jellyfish, they can reproduce sexually by releasing sperm and eggs into the water, forming a planula.

在海蜇成体或水母体阶段，它们通过将精子卵于释放到水中形成浮浪幼体而行有性繁殖。

Micrococcal nuclease treatment indicates that the remodeling of the demembranated sperm chromatin has occurred and the structure of nucleosome is formed during nuclear reconstitution.

同时，利用小球菌核糖核酸酶处理的结果表明，去膜精子在此非细胞体系中发生了结构改建并且在重建过程中形成了核小体结构。