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

无核释放时间早于真核束。

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

所有蛭轮虫都是雌，而且牠们不需要就可以产生胚胎。

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

在人体生殖过程中,一个使一个卵受。

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

Syngamy -融合卵和细胞成受卵。

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

产生于输管母细胞（原细胞）。

Only one sperm fertilises an egg.

只有一个使卵受。

The acrosome in the head was spheral in shape, and there was only one mitochondria in the mature sperm.

核染色质凝集成团块状，中部不发达，线粒体融合成1个环绕中部。

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方法进行态分析，计算机自动分析密度、活率、活力等液参数。

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

如果存在非运动或原地摆动但不向前运动要考虑免疫因素引起不孕。

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：蛋白可能是雌核发育银鲫卵进行雄核发育关键因素。

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:建立显微受方法，并探讨小鼠附睾在显微注射进入卵母细胞后受能力。

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

目探索采用经皮穿刺输管吸(PVSA)行宫腔内人工授(IUI)方法治疗极弱症或死症不育患者。

Meanwhile, males of the species Moroteuthis ingens were found to have sperm packets that, once deposited onto a female, burrow into the body.

“（南洋力士钩鱿）荚可以独立渗入皮下”，霍文说，“这是因为荚分泌一种酶能溶解鱿鱼身体组织。”

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结果表明，去在此非细胞体系中发生了结构改建并且在重建过程中成了核小体结构。

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，它们通过将和卵于释放到水中成浮浪幼体而进行有繁殖。

The mutation potential of ethephon was by investigated the micronucleus test of bone marrow polychromatophilic erythroblasts (PCE) cells and sperm shape abnormality test in mice.

摘要为测定乙烯利对人体健康影响，采用小鼠骨髓细胞微核试验和小鼠畸试验分别检测了乙烯利对小鼠体细胞和生殖细胞致突变。

He is good at urology diseases such as prostate hyperplasia, acute or onic prostatitis, difficult prostatitis, impotency, prospermia, ED, Stds, deficiency of sperm, male sterility.

尤其擅长于男疾病诊断和治疗，采用中西医结合综合治疗措施，治疗前列腺增生、急慢前列腺炎、难治前列腺炎、阳痿、早泄、功能障碍、传播疾病、少、弱、液不液化、特发男不育等疾病，方法独特、疗效显著。

Purpose and Methods: In order to characterize the antimutagenic effect of seaweed polysaccharides(SP), the mouse bone marrow micronucleus test and mouse sperm malformation test were conducted.

本文选用小鼠骨髓嗜多染红细胞微核试验和小鼠畸试验,对海藻多糖抗突变作用进行研究。

When he judges it is safe to do so, he inserts the end of a pedipalp into the female's reproductive opening and discharges the sperm it carries.

当它确定安全时，便将须肢末端插进母蜘蛛生殖孔中并放出它所携带液。