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

无核子的释放时间早于真核子束。

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

所有的蛭轮虫都是雌，而且牠们不需要子就可以产生胚胎。

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

在人体生殖过程中,一个子使一个卵子受。

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

Syngamy -融合卵和子胞成受卵。

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

子产生于输管壁的胞（原胞）。

Only one sperm fertilises an egg.

只有一个子使卵子受。

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子态分析，计算机自动分析子密度、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.

如果存在非运动子或原地摆动但不向前运动的子要考虑免疫因素引起的不孕。

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：子膜蛋白可能是雌核发育银鲫卵子进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:建立显微受的方法，并探讨小鼠附睾子在显微注射进入卵胞后的受能力。

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管吸子(PVSA)行宫腔内人工授(IUI)的方法治疗极弱子症或死子症不育患者。

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

“（南洋力士钩鱿的）荚可以独立的渗入皮下”，霍文说，“这是因为荚分泌的一种酶能溶解鱿鱼的身体组织。”

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的结果，去膜子在此非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.

在海蜇成体或水体阶段，它们通过将子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的影响，采用小鼠骨髓胞微核试验和小鼠子畸试验分别检测了乙烯利对小鼠体胞和生殖胞的致突变。

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，采用中西医结合的综合治疗措施，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、少子、弱子、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胞微核试验和小鼠子畸试验,对海藻多糖的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，便将须肢末端插进蜘蛛的生殖孔中并放出它所携带的液。