基本释义:

无精子发生

网络释义

1)aspermatogenesis,无精子发生

2)spermatogenesis,精子发生

3)spermiogenesis,精子发生

4)spermatogenesis (sperm),精子发生(精子)

5)spermatogenous

[sp?:m?'t?d??n?s],精子发生的

6)idiopathic azoospermia,特发性无精子症

用法和例句

The effects of cadmium on spermatogenesis in sea urchin Strongylocentrotus intermedius;

镉对中间球海胆精子发生的影响

Studies of the toxicity of the lead acetic on spermatogenesis of the male mice;

醋酸铅对小鼠精子发生毒性研究

Study of correlation between the expression and activity of HSL and the spermatogenesis of guinea pigs;

HSL的表达和活性与豚鼠精子发生的相关性研究

Progress on regulation studies of gene expression during spermiogenesis;

精子发生基因表达的调控研究进展

The expression of sperm-specific genes is necessary in spermiogenesis,and the genetic polymorphism of these genes may impair spermatogenesis,leading to male infertility.

精子发生需要精子特异基因的表达,这些特异表达基因的遗传多态性可能影响精子的发生,导致男性不育。

With the intensive study on siRNA and miRNA, scientists recently have discovered that there exists a novel type of small RNA named as piRNA in the mammalian testes, which is essential for physiological modulation of spermiogenesis and different from miRNA or siRNA in functions, gene distribu-tions and characteristics.

随着对siRNA和miRNA研究的不断深入,最近科学家在研究大鼠雄性精子时发现哺乳动物睾丸内存在另一种新型的小RNA分子,该分子在精子发生过程中起着重要的生理调节作用,该种小分子RNA被命名为piRNA,在功能、分布和分子特征等方面piRNA较miRNA和siRNA存在着显著的不同,对piRNA深入研究有望揭示出机体内在的基因表达调节机制。

Objective To examine the sex-Hormones of 117 cases of Klinefelter syndrome,37 cases of idiopathic hypogonadotrapic hypogonadism,107 cases of sertoli-cell-only syndrome, 30 cases of idiopathic azoospermia and 40 cases of idiopathic oligospermia.

目的　测定 117例Klinefelter综合征 (Klinefelter’ssyndrome ,KS) ,37例特发性低促性腺激素性腺机能减退症(idiopathichypogonadotrapichypogonadism ,IHH) ,10 7例唯支持细胞综合征 (sertoli-cell-onlysyndrome ,SCOS) ,30例特发性无精子症 (idiopathicazoospermia ,IA) ,4 0例特发性少精子症 (idiopathicoligospermia ,IO)患者的性轴激素值 ,分析各疾病的LH、FSH、T值的差别 ,探索通过性轴激素测定诊断KS综合征的方法。

Spermatogenesis and spermatophore formation of swimming crab(Portunus trituberculatus Miers,1876)in East China Sea

东海三疣梭子蟹精子发生及精荚形成

The Testicular Cycle Development and Spermatogenesis of the Teleost, Bostrichthys Sinensis Lacépède;

乌塘鳢鱼精巢周期发育和精子发生的研究

Study on Development/Spermatogenensis Related Genes in Human Testis;

人睾丸发育/精子发生相关基因的研究

Studies on Testicular Histology, Spermatogenesis and Amplification of Sox Gene of Pelteobagrus Fulvidraco (Richardson);

黄颡鱼精巢结构、精子发生及Sox基因扩增

Cloning and Characterization of Genes Related to Spermatogenesis;

精子发生相关基因的克隆及功能研究

Molecular Cloning and Analysis of a Novel Mouse Gene Related to Spermatogensis;

小鼠精子发生相关基因的克隆及分析

Spermatogenesis of Different Ploid (Oncorhynchus Mykiss) Rainbow Trout

不同倍性虹鳟（Oncorhynchus mykiss）精子发生

The spermatogensis and male gonadal histology of Cellana grata(Gould)

斗嫁�婢�子发生及雄性性腺组织学研究

Mammalian Spermatogenesis and Gene Regulation

哺乳动物精子发生及其基因表达调控

The acetylation of histone H4 during spermatogenesis

精子发生过程中组蛋白H4乙酰化修饰

Ultrastructural Studies of the Mature Sperm and Spermatogenesis of Cipangopaludina Chinensis;

中国圆田螺成熟精子和精子发生的超微结构研究

Role of Smads in Spermatogenesis of Infertile Rats with Kidney-yang Deficiency and Effect of Wen Yang Sheng Jing Soup;

Smads在肾阳虚大鼠精子发生中的作用及温阳生精汤对Smads表达的影响

Effects of 5-Aza-2'-deoxycytidine on Spermatogenesis of Rats

5-Aza-2’-deoxycytidine暴露对新生大鼠精子发生的影响

Mutation of KLHL-10 in Idiopathic Infertile Males with Azoospermia,Oligospermia or Asthenospermia

精子发生相关新基因KLHL-10在无精子症及少弱精子症患者中突变筛查分析

"At puberty, immature cells (spermatogonia) Begin a maturation process (spermatogenesis)."

青春期时,未成熟的细胞(精原细胞)开始其成熟过程(精子发生)。

Enrichment, Transplantation and Culture of Mouse Spermatogonial Stem Cells and Mechanisms Underlying the Effect of GDNF on Spermatogenesis;

小鼠精原干细胞的富集、移植与培养及GDNF在精子发生中作用机制

Expression Analysis of MTA1 and Preliminary Investigation of Its Function during Spermatogenesis;

MTA1在精子发生过程中的表达及作用研究

Expression Characteristics and Cloning of Mouse Spermatogenesis-related Genes;

小鼠精子发生相关基因的表达特征及克隆