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- acrosome granulum 顶体颗粒
- Capacitation of acrosome; Process of pregnancy. 精子获能;妊娠的过程。
- The nuclear cup was positive and acrosome PAS positive. 细胞化学反应显示,核杯为Feulgen阳性,顶体为PAS阳性。
- Some of the damage sperms lost the acrosome, midpiece and flagellum. 线粒体内嵴弥散,线粒体脱落;
- Proacrosomal vesicle formed and gradually developed into an acrosome. 精细胞时期顶体颗粒形成,线粒体明显的融合成一巨型线粒体。
- In vitro, the acrosome reaction of sperm does not influence the ovum fertilization rate. 在体外,精子顶体反应率的高低与卵子受精率没有明显的相关性。
- In the sea urchin eggs, sperm acrosome reaction stirred up the eggs week in a polysaccharide film material. 在海胆卵上,激起精子顶体反应的是卵周胶膜中的某种多糖物质。
- 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。
- Ionic flux is thought to be important in the initiating process of gamete interaction such as acrosome reaction. 跨膜离子流动在启动配子间的相互作用, 如顶体反应过程中有重要作用。
- The electron microscopic observation revealed that sperm head plasmalemma and acrosome were the most cryosensitive. 电镜下观察发现,冷冻后精子质膜和顶体是冷冻损伤的主要部位。
- Objective To study the change of nitric oxide (NO), acrosome enzyme (ACE),hyaluronidase (HYD) and acid phosphatase (ACP) in human semen. 目的探讨男性不育者精液中一氧化氮(NO)和顶体酶(ACE)、透明质酸酶(HYD)、酸性磷酸酶(ACP)的变化。
- Results:The rate of acrosome intactness in sperm with normal morphology group was higher than that of sperm with abnormal morphology group (P<0.001). 精子密度正常组顶体完整率与密度异常组顶体完整率比较;差异不显著(P>0.;05);顶体完整率正常组形态正常精子百分率明显高于顶体完整率异常组(P<0
- Objective:To discuss the correlation between rate of acrosome intactness and rate of sperm with normal morphology and sperm density. 目的:探讨顶体完整率与形态正常精子百分率、精子密度之间的关系。
- Human sperm after induction of acrosome reaction was pretreated with anti-MR serum and subsequently processed in sperm penetration assay (SPA). 用抗血清处理顶反应后的人精子,并进行去透明带金黄地鼠卵的精子穿透实验(SPA),观察其体外受精情况。
- Compared with abnormal semen parameters group, the rate of intact acrosome was increased in normal semen parameters group (P<0.05). 顶体完整率与正常形态精子百分率、精子活率呈显著正相关关系(P<0.;05,P<0
- Capacitation is an important physiological pre-requisite that enables sperm undergo acrosome reaction and fertilize the egg. 摘要获能是精子发生顶体反应以及与卵子结合之前所必需的生理过程。
- In this stage, the circular manchette reorganized to the oblique and then, the longitudinal one.The Sertoli process covered the acrosome forming ectoplasmic specialization. 环形核套微管先后改建为斜行和纵行核套微管,支持细胞突起形成“袖领”包绕顶体。
- Objective:To study the relationship between nitric oxide(NO) and the activity of acrosome enzyme(ACE),hyaluronidase(HYD),acid phosphatase(ACP) in infertile man semen. 目的:探讨男性不育精液中一氧化氮(NO)和顶体酶(ACE)、透明质酸酶(HYD)、酸性磷酸酶(ACP)的关系。
- The 51KD sperm antigen was found localized in the posterior acrosome of sperm where ovum adhered to, which suggests the close relation of the antibody to infertility. 结果显示51KD精子抗原定位于精子顶体后区,提示此抗体可能与不育有较密切的关系。
- It had no acrosome and at its caudal end the nucleus had an implantation fossa.The nucleus consisted of electron dense chromatin materials and contained irregularly netlike gap. 核前端无顶体,后端有植入窝,核中染色质致密,存在着不规则的网络状间隙。