acrosome
释义
顶体，顶体精子；
英英释义
acrosome[ 'ækrə,səum ]
n.a process at the anterior end of a sperm cell that produces enzymes to facilitate penetration of the egg
权威例句
Steroid induced exocytosis: the human sperm acrosome reaction.Calcium dependence of the acrosome reaction and activation of guinea pig spermatozoa.
A triple-stain technique for evaluating normal acrosome reactions of human sperm.
Competitive effect of magnesium on the calcium-dependent acrosome reaction in guinea pig spermatozoa.
Capacitation as a regulatory event that primes spermatozoa for the acrosome reaction and fertilization.
Most fertilizing mouse spermatozoa begin their acrosome reaction before contact with the zona pellucida during in vitro fertilization.
The effects of sperm extracts and energy sources on the motility and acrosome reaction of hamster spermatozoa in vitro.
Sperm-egg interactions in the mouse: sequence of events and induction of the acrosome reaction by a zona pellucida glycoprotein
Mouse gamete interactions during fertilization in vitro. Chlortetracycline as a fluorescent probe for the mouse sperm acrosome react...
Identification of a secondary sperm receptor in the mouse egg zona pellucida: role in maintenance of binding of acrosome-reacted spe...
1. The sperm acrosome reaction research helps us to understand and control the process of fertilization, and develop new male contraceptive agents.
对于精子顶体反应的研究有助于了解受精过程并人为进行控制与干预并开发男性避孕剂。
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2. Objective To investigate the effect of thawing temperature and interleukin 1(IL 1) on human sperm by measuring viability and acrosome reaction rate.
目的研究复温温度和白细胞介素1（IL1）对冷冻精子复温后存活率和顶体反应率的影响。
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3. In sperm and oocyte, it is proved that the calcium signals have great roles in series of complicated processes: capacitation, acrosome reaction, oocyte maturation, fertilization, embryo cleavage etc.
在精子和卵母细胞中，钙信号对精子获能、顶体反应、卵母细胞成熟、受精及卵裂等一系列复杂的过程有非常重要的影响。
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4. The impact of the movement of sperm, capacitation and acrosome reaction.
影响精子的运动、获能和顶体反应等。
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5. Objective To explore the feasibility of acid phosphatase (ACP) detection for evaluating human sperm capacitation and acrosome reaction ( AR).
目的探讨酸性磷酸酶（ACP）检测评价人精子获能和顶体反应（AR）的可行性。
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6. The basic principle of mouse ICSI is not complex, but many studies have demonstrated that the sperm plasma membrane, acrosome and immobilization time have influenced on the results of ICSI.
单精注射（ICSI）的基本原理并不复杂，但是许多研究表明小鼠精子的质膜、顶体、制动时间均会对ICSI的结果造成影响。
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7. ObjectivesTo study the effects of calcium ion concentration on spontaneous acrosome reaction of rat spermatozoa.
目的研究钙离子浓度对大鼠精子自发性顶体反应的影响。
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8. 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。
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9. The acrosome reaction was happened after capacitation.
获能后精子发生了顶体反应。
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10. 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。
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11. It is suggested that the distribution of lectin binding and staining intensity might serve as marker of acrosome formation and sperm maturation.
本研究提示可用凝集素结合部位的分布及染色强度作为观察精子顶体形成与精子成熟的标志。
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12. The appraisal methods for the hyperactivation of capacitating sperms, acrosome reaction, decapacitation factor, and respiration energy changes were reviewed in the article.
本文主要对获能精子的超激活运动、顶体反应、去能因子及呼吸能变化等鉴定方法进行了综述。
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13. The effects of laser irradiation on rabbit sperm in-vitro capacitation is studied. Theresult indicates that laser irradiation can promote sperm in-vitro capacitation and acrosome reaction.
本文研究了激光辐射对家兔精子体外获能的影响，结果发现激光可促进家兔精子的体外获能和顶体反应。
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14. In a streptolysin O(SLO)-permeabilized human sperm model, the difference of the human spermatozoa acrosome reaction between the two groups with or without Phalloidin has obvious significance(P0.01).
另外，在精子标本中加入链球菌溶血素O组与该试剂的空白对照组相比其顶体反应率差别具有显著的统计学意义（P＜0.01）。
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15. Objective:To study the effects of Huanjing Recipe(HJR) on human spermatazoal acrosome reaction(AR).
目的：观察中药还精方对人类精子顶体反应（AR）的影响。
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16. Papanicolaou stain can discriminate sperm acrosome zone between normal and abnormal accurately in the clinic.
结论巴氏染色法在临床上可对精子顶体区是否正常作出准确的判断。
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17. The head is composed of acrosome and nucleus.
头部由顶体与细胞核构成。
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18. Objective: To explore the effect of nitric oxide (NO) on human sperm capacitation and acrosome reaction (AR).
目的：探讨一氧化氮（NO）对人精子获能及顶体反应（AR）的影响。
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19. Electron microscopy showed clear destruction of the acrosome, cytoplasmic membrane, nuclear envelope, mitochondrial cristae, and flagellum in the UV-irradiated sperms.
扫描和透射电镜观察清楚地显示紫外线照射对栉孔扇贝精子顶体、胞质膜、核膜、线粒体嵴和鞭毛的破坏。
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20. Objective To study the correlation between expression of mannose-ligand receptor(MR) on capacitated human sperm in vitro and acrosome reaction induced by zona pellucida(ZP).
目的研究人精子的甘露糖受体（MR）表达与顶体反应的关系，以探讨体外获能培养精子的MR表达是否为人精子获能的标志。
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21. Aim: This study was to investigate the effect of human oviductal fluid (OF) and oviductal epithelial cell cultural medium (OECM) on human sperm acrosome reactions.
目的：探讨人输卵管液和上皮细胞培养液对人精子顶体反应的诱发作用。
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22. Under the acrosome, the nucleus is egg shaped with high density.
顶体下方为细胞核，细胞核近似卵圆形。
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23. Methods The sperm acrosome reaction was tested with triple-stain technique, in two groups 18 cases each.
方法两组各18例采用三色染色法检测精子顶体反应率。
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24. Conclusion:There were close relationship between the rate of sperm with normal morphology and the rate of acrosome intactness.
结论：精子顶体完整率与形态正常精子百分率有密切关系。
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25. Conclusion:SM-3 can destroy the acrosomal membrane, acrosome, and mitochondria of the sperm to achieve spermicidal and contraceptive effects.
结论：SM-3主要破坏精子顶体及线粒体，从而达到杀精、避孕目的。
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26. The sperm contacts with vitelline membrane by its radial arms of the nucleus, and undergoes acrosome reaction immediately.
精子以其核突起附着在卵膜上，并迅速发生顶体反应。
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27. Conclusion: The study suggested that progesterone may involve in the regulation of electrolyte transport during acrosome reaction of human sperm.
由此可见，孕酮对人精子顶体反应时离子运动有调节作用。
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28. The cytoplasm of mature sperm is degenerated extremely. There art 1-2 mitochondria in cytoplasmic edge near the acrosome.
成熟精子胞质极度退化，仅靠顶体帽边缘可见1—2个线粒体。
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29. The cytoplasm of mature sperm is degenerated extremely. There art 1-2 mitochondria in cytoplasmic edge near the acrosome.
成熟精子胞质极度退化，仅靠顶体帽边缘可见1—2个线粒体。
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30. "A mature human sperm has a flat, almond-shaped head, with a cap (acrosome) containing chemicals that help it penetrate an ovum."
成熟的人类精子头部扁平,杏仁状,长4～5公忽,宽2～3公忽,顶端为一帽状顶体,含有可帮助精子进入卵子的化学物质。
-- 来源 -- 英汉 - 翻译样例 - 生命
31. 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。
-- 来源 -- dict.cnki.net
32. Objective: To explore the relationship between the acrosome enzyme, hyaluronidase, acid phosphatase,γ- glutamyltransferase in human semen and male infertility.
目的探讨人精液中顶体酶、明质酸酶、性磷酸酶、γ谷氨酰基移换酶与男性不育的关系。
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33. Objectives: To evaluate the application of Coomassie brilliant blue( CBB) G250 staining for the detection of human sperm deformity rate, rate of intact acrosome and acrosome reaction.
目的:探讨考马斯亮蓝G250染色法在人精子畸形率、体完整率和顶体反应检测中的应用。
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34. Objective To study human sperm acrosome by means of flurescein labeled pisum sativum agglutinin technique (FITC PSA) to evaluate the fertile capacity of human sperm.
目的 探寻评估人精子授精能力的简便有效方法。
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acrosome
