顶体

The correlation of methods among survival in vitro,specifically acrosome reaction,heterogenetic penetration-egg and hypoosmotic swelling test,of giant pandas semen was evaluated.

利用解冻后的大熊猫冷冻精液，分别进行体外存活试验、顶体反应试验、异种穿卵试验和低渗膨胀试验，并对低渗膨胀试验与其他试验作相关性分析。

It is probably that there were not Ca〓 channel on the guinea pig sperm PM, because the Ca〓 channel blockers verapamil, nifedipine, diltiazem and D600 promoted acrosome reaction in synchronous and nonsynchronous cultural systems.

豚鼠精子质膜可能无Ca〓通道，因为verapamil、dilliazem和D600等对获能和未获能的精子的顶体反应均具有显著的促进作用。

PurposeThe present study was designed to pursue the kinetic characteristics of acrosome reaction of sperm in the fallopian tube in vivo, to evaluate the effect of human oviductal epithelial cell on the AR capacity of sperm and the possible mechanisms through the application of coculture system with HOEC in vitro.

目的 通过检测与人输卵管上皮细胞共培养的人精子在不同时间的顶体反应率，探讨精子在输卵管内AR过程的特点，分析HOEC对精子AR的影响和可能机制。

Solen grandis was longer than Solen strictus. The nuclear of Solen grandis was warhead-shaped while one of Solen strictus's was spherical. A satellite body was found in Solen grandis but not in Solen strictus. In addition, Solen grandis had a longer tail than Solen strictus.

大竹蛏的顶体比长竹蛏的稍长；大竹蛏精子核形似子弹头而长竹蛏精子核形为圆球状；大竹蛏有卫星体结构而长竹蛏无卫星体结构；大竹蛏精子尾部鞭毛比长竹蛏的长。

Methods: The sperm morphology and sperm acrosin activity were analyzed by automated sperm morphology analyzer and spectrocolorimetry.

精子形态和顶体酶活性是决定精子能否受精的重要因素[1，2 ] 。

Fertilization is a complicated biological process, during which spermatozoa must undergo proper changes in thei...

在这一过程中精子首先必须经过复杂的结构和功能改变，完成获能和顶体反应。

Methods The activity of human sperm acrosin,PMN-Elastase,Fruc-tose,α-glucosidase,Zinc,Acid phosphatase and HOS in214cases were tested determined.The spermwas analyzed by using WLJY-9000WeiLi colorful spermic mass device.

对214例精液标本作精子顶体酶活性、弹性硬蛋白酶、果糖、α-葡萄糖苷酶、锌、酸性磷酸酶、精子尾部低渗肿胀试验检测，同时用WLJY-9000伟力彩色精子质量检测仪作精液分析。

The result of different thawing temperatures indicated that the spermatozoa thawn in 38℃ water showed a better survival rate than those thawn in 50℃ water; the duration of preservation on above 30% survival rate were 4 and 1h, respectively.

结果显示：3%甘油冷冻解冻后精液的活率、活力(38.54%、52.24%)显著(P.05)高于2%甘油组(15.63%、28.22%)，但3%甘油组顶体完整率(11.55%)显著(P.05)低于2%甘油组(21.71%)。38℃水浴解冻后的精子在39℃培养箱中4h内活率高于0.3，而50℃水浴解冻后1h后的活率低于0.3。

In conclusion, seminal zinc concentration is correlated with sperm count and the duration of abstinence in subfertile men. In men with normozoospermic semen, high seminal zinc concentration may have an adverse effect on the ZPIAR.

本实验得出结论：生育力不足男性的精液锌浓度与精子数和禁欲时间相关；精子正常男性的高精液锌浓度可能对透明带诱导的顶体反应有副作用。

The head comprises a winebottle-shaped acrosome and a pillar-shaped nucleus.

头部由啤酒瓶状顶体与柱状细胞核构成。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。