顶体

Investigation of the proteins interaction and their signal transduction during the process of sperm acrosome reaction is extremely essential for the further understanding of the molecular mechanism of fertilization.

研究精子顶体反应过程中相关分子作用的信号传导通路，对进一步深入了解受精的分子机制具有重要的影响。

Nm Ultraviolet light was used to study the effect in acrosome reaction and fertilization ability of UV irradiated Chinese shrimp sperm.

研究了 36 5 nm波长紫外线辐射中国对虾精子对其顶体反应和受精能力的影响。

Western blot and double staining analyses show NYD-SP27 becomes detached from sperm, as they undergo capacitation and acrosome reaction.

Western blot和双染的研究表明在精子发生获能和顶体反应的过程中NYD-SP27逐渐从精子上丢失。

The first contact of the sperm head with the egg's jelly coat triggers the acrosome reaction, in which enzymes

当精子和卵子的胶状膜发生接触时，触发了顶体反应。

There are several cell signalings involved in sperm acrosome reaction, such as G protein-coupled signal transduction, and receptor tyrosine kinase signal pathway.

精子顶体反应过程中涉及多种细胞信号传导的过程，如G蛋白耦联的信号传导、受体酶氨酸激酶途径等。

Acrosome reaction ; apoptosis ; sperm ; pig

顶体反应；细胞凋亡；精子；猪

Objective To investigate the relationship between ovum fertilization rate and sperm morphology, acrosome reaction in IVF and to explore the influence of parameters of sperm on fertilization rate.

目的 研究体外受精(in vitro fertilization，IVF)中精子形态、顶体反应与卵子受精率之间的关系，分析精子各参数在IVF受精率方面的参考意义。

It was evenly localized on the whole head of the"fresh"human sperm, but became restricted to the plasma membrane of anterior head after capacitation.

结果显示：人精子在体外获能和顶体反应过程中，受精蛋白β的分布位置处于不断的变化之中。

These data strongly suggest that NYD-SP27 is a physiological inhibitor of PLC that acts as an intrinsic decapacitation factor in sperm to prevent premature capacitation and acrosome reaction.

这些数据有力的表明NYD-SP27是一种生理性的PLC抑制剂，它作为精子内的内源性的去获能因子发挥作用以阻止过早的获能和顶体反应的发生。

Spermatozoa of Hemicentrotus pulcherrimus belong to the type of flagelloform, it has a coniform cell nucleus on its head, a small apical body on its forepart, four mitochondria, a couple of central granules, and a flagellum.

海胆精子与其他无脊椎动物的精子一样，属于鞭毛型，其头部包含一个圆锥形的细胞核，前端配有一个小的顶体，还包括4个线粒体、一对中心粒和一根鞭毛。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。