Sperm ultrastructure of helicoverpa armigera and preliminary research on changes of sperm ultrastructure 棉铃虫精子的超微结构及对其辐照后变化的初步观察
The head of the sperm cell and the nucleus of the egg cell then unite and form a new cell : the zygote 然后，精子的头和卵子的核融合，形成一个新细胞：受精卵。
However , it is unusual for this infection to cause enough atrophy to significantly affect the sperm count 不过这种感染通常不会引起睾丸明显萎缩影响精子的数量。
Influence of liuwei dihuang decoction on sperm lesion induced by multiglycosides of tripterygium wilfordii hook in mice 六味地黄汤对雷公藤多甙损伤小鼠精子的影响
C - myc , as a nuclear transcription factor , can influences spermatogenesis through inducing the transcription of dna Ewe也是作为核转录因子通过诱导dna的转录而调控精子的发育过程。
Bsp proteins can potentate sperm capacitation induced by heparin and hdl in vitro and bsp proteins can also stimulate cholesterol efflux from spermatozoa Bsp蛋白与精子的获能及顶体反应有密切关系。
The major function of the bovine seminal plasma protein is to accelerating the capacities of bovine epididymal sperm Bsp蛋白家族是牛精浆的主要蛋白成分。 bsp家族的主要功能是促进精子的顶体反应及获能。
Brinster says that sperm - producing cells are the best target for anyone trying to tinker with human genetic inheritance 布林斯特说，对于想改变人类遗传基因的人来说，改造产生精子的细胞是最好的办法。
This adds to suggestions that men , like women , hae a biological clock , and the quality of their sperm deteriorates oer time 这也支持了男人跟女人一样也有生物钟的观点，男人精子的质量也会随着时间退化。
Male rats and mice with chemically induced folate deficiency have impaired spermatogenesis and are infertile 要是以化学方法使雄性大鼠与小鼠体内缺乏叶酸， ?们制造精子的机制就不能正常运作，因而丧失生殖能力。
