Diseases such as mumps can affect sperm production . many diseases ( i . e . , german measles ) are dangerous during pregnancy 有些疾病,比如腮腺炎,可以影响精子的产生。也有很多疾病(如德国麻疹)对妊娠是有危险的。
Blood - testis barrier is the harrier between capillary vessel and seminiferous tubule which is important to produce sperm and maintain male procreation function 血睾屏障对精子的正常发生及雄性生殖功能的维持具有重要的作用。
The news is likely to be unsettling for men who have donated sperm in countries where anonymity is still commonplace , such as the us 这则消息,可能使一些捐赠过精子的男人产生不安,特别是在美国这样一个匿名捐赠精子流行的国家。
What do they say ? that question inspired " the sperm monologues " , a thought - provoking new play at the edinburgh fringe arts festival 这一问题激发了英国话剧精子的独白的创作灵感。这部引人深思的话剧近日正在爱丁堡边缘艺术节期间上演。
From last year , any man wishing to donate sperm has to be prepared to be identified in case any future offspring wants to trace them 去年,任何希望捐献精子的男子必须准备好将个人身份信息备案,以便他们未来的儿女在今后能查询到他们的下落。
Scientists have developed a chemical contraceptive that temporarily blocks the development of sperm but does not interfere with testosterone levels in men 科学家开发了一种化学避孕药物可以暂时阻止精子的发育,而不影响男性体内睾酮的水平。
The ar rate of golden hamster sperm increased with the rise endotoxin concentration , and it got highest at 1 . 0 g / ml , then the rate started to decrease Opg inl时达到最高,然后随内毒素浓度增加,精子的顶体反应率有下降趋势;在人, 10
Abnormal gene has been discoered which sharply reduces sperm production and appears to cause infertility . it has been found in about 25 % of infertile men 而在25左右不育男性中发现有异常基因,异常基因可能严重减少了精子的产量进一步引起不育。
Introduction bovine seminal plasma protein family secreted by the seminal vesicles . bovine seminal plasma is the major component of bovine seminal plasma 目的牛精浆( bovineseminalplasma )作为精子的载体,是牛睾丸、附睾及附性腺分泌的一种复合物。
5 . p and pr probably exert roles during the period of sperm development . p in follicular cells regulates spermiation and sperm maturation P和pr与精子的发生和成熟密切相关, p可能参与支持细胞与精子之问的信息传递,也可能直接参与精子的成熟调节。