查询词典 sperm-nucleus

Fertilization of the egg by a single sperm occurs in the ampullary portion of the fallopian tube about a day after ovulation.

数百万的精子则向上运行，在输卵管的壶腹部，精子和卵子结合，称为受精，整个受精过程大约需要24小时。

"Conclusively, the present study shows that toremifene administration... results in significant improvements of all three main semen parameters -- namely sperm count, motility and morphology -- mediated by increased gonadotropin secretion and possibly a direct beneficial effect of toremifene on the testes," researcher Dr. Anargyros Kourtis told Reuters Health.

研究人员Anargyros Kourtis博士告诉路透社，目前的研究表明，使用托瑞米芬后，在促性腺激素分泌增加以及托瑞米芬对睾丸可能产生直接的有益作用的介导下，三个主要的精液参数，即精子计数、精子活力和精子形态都可以得到显著改善。

These vesicles fused together along the filaments to form annulate lamellae,or attached to demembraned sperm chromatin to initiate assembly of NE.

激活的非洲爪蟾卵提取物温育过程中，直径200nm的膜泡附着在一种直径10nm纤维上，形成&珠链&结构。

It has been reported that gestational and lactational exposure to estrogens or androgen antagonists reduced testicular size and sperm production, germ cell apoptosis, male infertility, and male reproductive tract malformations, such as cryptorchidism, hypospadias, nipple retention, or reduced anogenital distance.

但本实验结果显示，大鼠孕期和哺乳期接触达母体中毒剂量的硫丹，对雄性子鼠的睾丸重量、每日精子生成量、附睾精子数和精子形态、睾丸生殖细胞凋亡发生率等都没有明显的影响，也未见雄性子鼠AGD缩短、乳头残留及隐睾和尿道下裂等雌性化表现。

GB 15193.7-2003,Mice Sperm Anormality Test .

GB 15193.7-2003，小鼠精子畸形试验。

The first jump in brain size happened 39 million years ago, when odontocetes (members of an order that includes dolphins, toothed whales, sperm whales, beaked whales and porpoises) diverged from their ancestral Archaeoceti group.

海豚的大脑体积的第一次跳跃式增长发生在3千9百万年前。那时，齿鲸亚目(该目包括海豚、齿鲸、抹香鲸、喙鲸等成员)从古鲸亚目中分离出来，而其中的一些成员，特别是现代海豚的祖先，体型减小，大脑体积增大。

Lü Guangxiu, founder of the bank, says the new service aims to ease reproductive concerns caused by worsening male reproductive health, such as aspermia and deteriorating sperm quality.

鲁广秀，精子库的创始人说这项新服务旨在减轻由男性生殖健康恶化引起的担心，比如男性精液缺乏和精子质量恶习化。

AIM: To observe the effect of levocarnitine on epididymal sperm in patients with obstructive azoospermia.

目的：观察左卡尼汀治疗对梗阻性无精子病人附睾精子质量的影响。

Objective: To study the clinical effect of intracytoplasmic sperm injection in treatment of oligozoospermia, azoospermia and teratozoospermia.

目的：探讨采用卵胞浆内单精子显微注射治疗少、弱、畸精子不育症的临床效果。

Less as a result of sperm or azoospermia caused by infertility, its causes more complex.

由于精子量少或无精而引起不育，其原因较为复杂。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。