精子的

Progesterone and #gamma#-aminobutyric acid could initiate the acrosome reaction in guinea pig spermatozoa,which was independent of extracellular Cl一in vdro,and a potentiation effect between progesterone and GABA was demonstrated.

在体外，孕酮和#gamma#-氨基丁酸可明显地引起豚鼠精子顶体反应，并且两者合并使用，对顶体反应的诱发有协同作用；这种反应不依赖于细胞外C1-。

Reproductive organ that produces both sperm and eggs, found in certain gastropods.

卵精巢雌雄同体的再生器官，可以产精子和卵子，在腹足纲软体动物身上发现

Objective To investigate the effect of assisted oocyte activation with calcium ionophore A23187 and puromycin on human oocytes that fail to fertilize after intracytoplasmic sperm injection.

目的观察钙离子载体A23187联合嘌呤霉素对卵母细胞质内单精子注射后未受精卵母细胞的激活作用。

These zygotes were divided into four groups according to the different zygote pronuclei orientation and the developmental potential.

根据早期卵裂时间及原核构型不同进行筛选而移植的129个体外受精、卵胞浆内单精子注射周期，共1 032个正常受精卵为资料。

In the father's testicles are sperm, which are even smaller.

爸爸的睾丸里有精子，它们更小。

NOT: to provide a large area for meeting sperms.

不是： 提供很大的表面积以迎接精子。

Yeah, maybe your little boyfriend's got mutant sperms, knocked you up twice.

也许你男朋友的精子发生了变异让你怀两胎。

Vagina : for receiving sperms from the male; as a passage for the birth of the baby.

阴道 ：从男性接受精子；作为生产的通道。

Penis : to introduce sperms into the vagina of the female.

阴茎 ：将精子送入女性的阴道。

The effect of Y chromosome abnormality on sperms.

人类 Y 染色体异常对精子发生的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。