spermatozoa

These maturation changes still occur even when spermatozoa are confined to caput epididymidis by ligatures.

用结扎的方法将精子限制在附睾头内,这些成熟变化仍可能发生.

Study of estrogen binding site on human ejaculated spermatozoa

人精子雌激素结合位点的研究

Effects of freezing on acrosin activities of human spermatozoa

冷冻保存对人精子顶体酶活性影响

Comparative quantification of the membrane-associated urokinase plasminogen activator ( uPA) on the ejaculated spermatozoa between sterile patients with asthenospermia and healthy fertile Men

弱精症男子与正常人精子膜尿激酶型纤溶酶原激活因子含量的研究

When freezing single testicular spermatozoa, cryoprotectant-free vitrification was safety, economical and effective, and the fertility rate was similar to fresh sperm in ICSI.

采用不加冷冻保护剂的玻璃化法冷冻保存微量睾丸精子是一种安全、经济、有效的冷冻保存方法，冷冻复苏后采用ICSI技术可取得与新鲜精子相似的受精率。

A Ney Way for Significantly Extending the Effective Living Time of Frozen Bull Spermatozoa

能极显著地延长冻后牛精子有效存活时间的新途径

Objective: To describe sperm preparation methods of ejaculated, epididymal and testicular spermatozoa in intracytoplasmic sperm injection ( ICSI).

目的：介绍单精子卵胞浆内注射术（ICSI）中不同来源精子的洗涤处理方法。

2). The gonad of F_1 male individuals appeared in three states: the first is completely fertile ( 4.67% of the total), and the entire course of development ( from spermatogonia to spermatozoa) can be completed endogenously under pond enviroment.

F1雄性个体的生殖腺出现三种不同的状况，一是完全能育型，只占总数的4.67%，可以完成由精原细胞到精子形成的全部发育过程；

Functional Expression of Sperm Flagellum Associated-proteins in Human Ejaculated Spermatozoa

精子鞭毛相关蛋白在人精子中的表达特征及其临床意义

HBV DNA in body secretions and spermatozoa among 87 males infected by hepatitis B virus

男性乙型肝炎病毒感染者体液与精子中的病毒DNA

In conclusion, we have constructed spermatogenesis-related gene expression profile in human spermatozoa and this profile could help us to elucidate the molecular events involved in spermatogenesis;

综上，本研究构建了人精子生精相关基因表达谱系，为研究精子南京医科大学硕士学位论文功能相关基因创造了条件；

The function of K+ was represented as a restraining factor to activation and movement of the spermatozoa in the present condition.

其精子的激活不仅与激活溶液盐度有关，而且与激活溶液的离子成份有关，激活溶液中K+的存在在一定程度上对精子的活动有抑制作用；

The Study of Expression of TNF-α mRNA and TNF-R_2 in Human Spermatozoa

肿瘤坏死因子-αmRNA及其受体Ⅱ在人精子表达的研究

Motile, viable and existing periods for residual spermatozoa from ejaculate after vasectomy

输精管结扎术后精液中残余精子的能动期、生存期和存在期

Objective: To compare the differences of expressions of adenylyl cyclase ( AC) and phosphodiesterase ( PDE) in ejaculated spermatozoa between healthy volunteers and the patients with asthenospermia.

目的：比较腺苷酸环化酶（AC）和磷酸二酯酶（PDE）在活动力正常和活动力低下的人精子表达的差异。

Structure of the Spermary and the Spermatozoa of Haliotis Discus Hannai Ino

皱纹盘鲍精巢及精子结构的研究

Compared to the structures of other Cyprinidae fish spermatozoa, the main characteristics of this spermatozoon are the variable length of the sleeve, the different vesicles and various pores of the collar.

与鲤科其它鱼精子相比，该鱼精子的主要特征是具有长短不一的袖套，领内有不同数量的液泡，且有些空泡向外界开口呈孔状。

Spermatozoa, about 131.8 μ m long, was divided into head and tail parts, the head part included nucleus and acrosomal complex, and the tail part included the middle piece, principal piece and end piece.

成熟精子的外形呈发丝状，由头部和尾鞭两大部分组成，头部包括顶体复合体和核，尾鞭可分为中段、主段和末段。

Methods: The selection techniques of swim-up, Percoll density gradient centrifugation and doule-flection tube were used to observe sperm chromosome abnormality rate, sex chromosomal ratio and the percentage of spermatozoa with relatively intact head ultrastructure.

方法：分别应用上游法、Percoll密度梯度离心法及双曲管优选法处理精液，观察优选前后精子染色体畸变率、精子性染色体比例及超微结构相对正常的精子百分率。

We studied the ultrastructure of epididymal spermatozoa viviparous skinks, Mabuya multifasciata and Sphenomorphus indicus.

利用透射电镜研究多线南蜥和印度蜓蜥附睾精子的超微结构.

Optimization and Analysis of In-gel Digestion with Bovine Spermatozoa Protein

牛精子蛋白胶内酶切条件优化及问题分析

The results indicated that lead acetate level of 1% showed an adverse effect on the spermatozoa of mice by increasing their deformity rate, lowering their vitality, decreasing sperm count and slight damage in the testis, with obvious augmentation of blood Pb.

结果表明，饲以1%醋酸铅饲料3个月可出现精于畸形率增高，血铅明显升高；2%醋酸铅可使精子运动能力下降，精子计数减少，睾丸出现轻度损伤；

Expression of the Voltage-Dependent Anion Channel Gene in Human Ejaculated Spermatozoa

电压依赖性阴离子通道基因在人精子中的表达及其临床意义

The result showed that vitamin B complex can improve post-thaw motility and protect the integrity of spermatozoa membrane.

表明在绵羊冻精稀释液中添加复合维生素B可有效提高冻精解冻后活率并保护精子形态结构的完整性。

Study on assaying acrosin activity of human spermatozoa

精子顶体酶活性检测方法研究

Mammalian spermatozoa go through process of epididymalmaturation to develop their capacity for fertilization.

随着精子在附睾中的转运,它们与卵子质膜的融合能力逐渐增加.

Effect of Percoll Selection Technique on Normal Morphology Rate and Acrosin Activity of Human Spermatozoa

Percoll优选对形态正常精子百分率和顶体酶活性的影响

We speculate that keeping the cell phone in a trouser pocket in talk mode may negatively affect spermatozoa and impair male fertility.

我们推测，将裤袋中的手机保持在通话模式可能会对精子产生不利的影响，并损伤男性生育能力。

Ejaculated spermatozoa cannot immediately fertilize an egg in the female genital tract. They must undergo a series of complicated modifications in their structure and function for capacitation and acrosome reaction.

精子进入雌性生殖道后，必须经过获能、顶体反应等一系列复杂的结构和功能的改变，即被激活后才具备受精能力。

The spermatozoa of Muscovy Drakes consist of two parts: head and tail.

瘤头鸭精子分为头部和尾部。