精子发生的

Objective Understanding the distribution and changes of SA-30 during mouse spermatogenesis,maturation,capacitation and fertilization.

目的 检测SA-30(sperm antigen-30)抗原在小鼠精子发生、成熟、获能及受精后的分布变化。

Massive apoptotic events are induced in the mutant gonads, leading to the abolishment of both spermatogenesis and oogenesis.

在Sun1基因剔除的小鼠性腺中，生殖细胞的大量凋亡导致精子发生和卵子发生被完全破坏。

We hypothesize that Zfp474 functions as a germ cell specific transcription factor that plays important roles in spermatid differentiation and oocyte development.

结果提示：Zfp474基因对精子发生和卵母细胞的发育可能起重要作用。

Objective To investigate the receptor mechanism of epidermal growth factor on spermatogenesis.

目的 探讨表皮生长因子受体在精子发生过程的作用机制。

Objective To identify genes involved in spermatogenesis and/or testicular development.

目的筛选与精子发生和睾丸发育相关的基因。

Summary Apoptosis is a common phenomenon during spermatogenesis, and its dysregulation has been associated with male infertility.

凋亡是精子发生中的普遍现象，凋亡的失调控被认为与男性不育的发生有关。

Objectives: To study the cytogenetic cause related to spermatogenesis failure.

目的： 探讨与精子发生障碍相关的细胞遗传学原因。

Mammalian spermatogenesis is an important research subject in reproductive biology.

哺乳动物精子发生过程是生殖生物学的重要研究课题之一。

Spermatogenesis of teleost and its prospective application in the study of phylogenetic development.

硬骨鱼类精子发生及其在系统演化研究中的应用前景

During reproductive stage,a lot of mucus was secreted by the topcrine gland cells of spermathecal epithelium in lumen, providing proper fluidy medium for sperm storage,and nutrients for sperm survival.

鉴于此，作者在研究了长江华溪蟹精子发生过程中的一系列行为之后(王兰，1996，1997)，又研究了其卵子发生。

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。