查询词典 sperm

VCX/Y protein molecules are small size and high charge, which resemble those chromatin-associated proteins, such as histones or protamines, the latter mediate condensed DNA packaging in sperm.

依据氨基酸组成特点，该家族蛋白曾被推测为类似组蛋白和精蛋白的DNA或RNA结合蛋白。

Methods and Results Experiment 1: Intracytoplasmic injection of rat sperm heads was performed using 7~10 μm and 2~4 μm diameter pipettes and different injected method respectively.

方法和结果实验1：用直径为7~10μm和2~4μm的注射针以及相应的注射方法进行大鼠ICSI，ICSI后卵母细胞存活率(30.5% vs。 61.3%)和卵裂率(12.5% vs。 51.1%)均差异显著(P.05)；实验2：分别在hCG后14 h、16 h和18 h取卵进行ICSI，三组存活率77.4%、74.1% vs。

Brennan believes that these complicated defenses against sperm drove the evolution of male phalluses.

布伦南博士认为，这些复杂的防御推动了对精子进化男性

Millions of sperm cells leave the peins in a short burst in a fluid called semen.

数百万精子细胞离开阴茎，在很短的时间里爆发的液体称为精液。

Sucks the sperm into bulbs on the ends of his pedipalps. When he judges it

它会织出一个特殊的网，将精液排在上面，然后把精液吸附在须肢末端的球状物上。

Pacey said at the time that the mouse experiment would be "very useful to study the basic biology of sperm production".

帕西当时表示，对老鼠的这一实验会&有助于研究精子制造的基本生物学机制。&

Allan Pacey of the University of Sheffield, a sperm biologist of 20 years standing, declared he was unconvinced.

迎着20年资历的谢菲尔德大学精子生物学家艾伦·帕西宣布他对此不相信。

Dr Allan Pacey, a senior lecturer in andrology from the University of Sheffield, said that if soy genuinely had a detrimental effect on sperm production, fertility might well be affected in those regions, and there was no evidence that this was the case.

谢菲尔德大学的男科专家艾伦·佩西博士说，如果大豆真的对精子的产生有决定性影响的话，那么亚洲地区的生育繁殖就会受到影响，但是并没有证据显示这一点。

Allan Pacey, a male fertility expert at Sheffield University and secretary of the British Fertility Society, said:"Anything that could be taken at home every day as a pill and would change the production or quality of sperm very quickly without changing hormones is a good thing."

英国生育协会秘书，谢菲尔德大学男性生育专家Allan Pacey说：&只要能每天在家象服用药丸一样方便地使用，并且能迅速地改变精子的生成量和质量，而又不改变体内激素，那就是好药。&

When a woman experiences an orgasm, we think the intensity of the muscular contractions she has during the big pressure changes going on in her body helps to pull or suck up the sperm into her cervix and from there into the uterus, explained Pacey.

我们认为，当女性获得高潮的时候，其体内压力巨大变化的过程中发生的肌肉剧烈收缩有助于把精子吸入子宫颈，进而使精子进入子宫，Pacey解释说。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。