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In human reproduction,one female egg is usually fertilized by one sperm.

在人体生殖过程中,一个使一个卵子受

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Objective To study the relationship of prostasomes in succus prostaticus and motility of spermatozoa.

目的研究前列腺液中前列腺小体与活力的关系。

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The spermatozoon of Hucho taimen consisted of a head, a midpiece and a tail.

哲罗鱼的由头部、中段和尾部组成。

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The sperm originate in gonial cells (spermatogonia) in the walls of seminiferous tubules.

产生管壁的性母细胞(原细胞)。

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All bdelloid rotifers are female, and they make embryos without any need for sperm.

所有的蛭轮虫都是雌性,而且牠们不就可以产生胚胎。

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Syngamy - The fusion of egg and sperm cells into a zygote.

Syngamy -融合卵和细胞成受卵。

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The release time of apyrene sperm was early than that of eupyrene sperm.

无核的释放时间早真核束。

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LDH-C4 is specific to mature testes and spermtozoa of bird and mammal.It is related to metabolic processes that provide energy for motility and survival of spermtozoa.LDH-C4 is an autoantigen.

特异性乳酸脱氢酶特异地存在鸟类和哺乳类动物的成熟睾丸和中,为的运动和存活提供能量。

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Purpose and Methods: In order to characterize the antimutagenic effect of seaweed polysaccharides(SP), the mouse bone marrow micronucleus test and mouse sperm malformation test were conducted.

本文选用小鼠骨髓嗜多染红细胞微核验和小鼠验,对海藻多糖的抗突变作用进行研究。

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Undulipodium (pl. undulipodia) A whiplike organelle that protrudes from a eukaryotic cell and is used chiefly for locomotion (e.g. motile gametes) or feeding (e.g. ciliate protoctists).

波动足(生毛体):真核细胞表面突起的鞭状结构,主作用为运动(如:游动)和摄食(如:纤毛protoctists)。

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The mutation potential of ethephon was by investigated the micronucleus test of bone marrow polychromatophilic erythroblasts (PCE) cells and sperm shape abnormality test in mice.

为测定乙烯利对人体健康的影响,采用小鼠骨髓细胞微核验和小鼠验分别检测了乙烯利对小鼠体细胞和生殖细胞的致突变性。

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He is good at urology diseases such as prostate hyperplasia, acute or onic prostatitis, difficult prostatitis, impotency, prospermia, ED, Stds, deficiency of sperm, male sterility.

尤其擅长男性疾病诊断和治疗,采用中西医结合的综合治疗措施,治疗前列腺增生、急慢性前列腺炎、难治性前列腺炎、阳痿、早泄、性功能障碍、性传播疾病、少、弱液不液化、特发性男性不育等疾病,方法独特、疗效显著。

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In the adult, or medusa stage of a jellyfish, they can reproduce sexually by releasing sperm and eggs into the water, forming a planula.

在海蜇成体或水母体阶段,它们通过将和卵释放到水中成浮浪幼体而进行有性繁殖。

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Micrococcal nuclease treatment indicates that the remodeling of the demembranated sperm chromatin has occurred and the structure of nucleosome is formed during nuclear reconstitution.

同时,利用小球菌核糖核酸酶处理的结果表明,去膜在此非细胞体系中发生了结构改建并且在重建过程中成了核小体结构。

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Semens were collected at 1, 4, 8, 12, 16, 24, 36 and 44 weeks after gossypol treatment and 10 weeks after stopping treatment.

服药后1、4、8、12、16、24、36、44周及停药后10周采集液,对照组相同时相采取液,分析碱性核蛋白的变化。

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Objective To investgate the treatment of asthenospermia and necrospermia infertility with percutaneous vasal sperm aspiration ( PVSA) and intrauterine insemination ( IUI) .

目的探索采用经皮穿刺输管吸(PVSA)行宫腔内人工授(IUI)的方法治疗极弱症或死症不育患者。

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Abstract: Aim:To establish the methods of microfertilization and explore the fertilizing potential of mouse sperm obtained from caput epididymidis and cauda epididymidis.

: 目的:建立显微受的方法,并探讨小鼠附睾在显微注射进入卵母细胞后的受能力。

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To a certain degree, sperm head membrane maybe is the key factor to the androgenesis of the gynogenetic silver crucian carp eggs.

在某种程度上表明:膜蛋白可能是雌核发育银鲫卵子进行雄核发育的关键因素。

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The presence of immotile sperm or sperm shaking in place and not demonstrating forward motion is suggestive of immunologically related infertility.

如果存在非运动或原地摆动但不向前运动的考虑免疫因素引起的不孕。

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Result The therapy can turn the AsAB and EmAB of patient from positive to negative and make her become pregnant.

结果中医药治疗后,抗抗体、抗子宫内膜抗体阳性转阴并妊娠,结果有显著性差异。

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活大爆炸 第1季

Are you still mad about the sperm bank? No.

你还在为精子银行气吗?没有?没有。

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哈佛大学公开课《公正该如何做是好》

Vivian. So we've got the case of surrogacy, commercial surrogacy, and it's been compared to baby selling and we've been exploring whether that analogy is apt and it can also be compared, as you point out, to sperm selling.

维维安,这是商业代孕实例,并将其与贩卖婴儿做了比较,并探究了这样类推是否合适,同时它也可以与出售精子比较。

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The Ellen Show

Do you inseminate hogs? Do you believe in aliens?

你捐精子吗 你相信有外星人吗?

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6 Minute English 六分钟英语

Conservationists started an artificial breeding programme, using eggs from the females and sperm from Suni to produce an embryo – an unborn animal in the very early stages of development.

环境保护主义者启动了一项人工配种计划,利用雌性卵子和" 苏尼" 精子培育出一个胚胎——处于发育早期未出动物。

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文摘

Then, just about a decade ago, it was discovered that sperm have proteins on them that react to the presence ofcertain chemicals.

大约就在十多,人们发现精子本身含有一些蛋白质对某些特定化学物质会产反应。

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赖世雄中级美语(上册)

After a man dies, his sperm remains alive for some time.

当一个男人死了以后,他精子仍可存活一段时间。

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双语版 TED-Ed 演讲精选

Most epigenetic marks are erased when egg and sperm cells are formed.

当卵子和精子细胞形成时, 大多数表徵遗传标记会被去除。

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EnglishPod 181-270

So, then we basically need to put one-and-one together so we can have babies right?

那基本上来说,只要精子和卵子一对一结合后就会产胎儿,对吗?

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PBS趣味科普

And the male will transfer a spermatophore to the female, essentially, a packet of sperm.

雄蝴蝶会把一个精子载体传递给雌蝴蝶,本质上就是一包精子

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BBC 听 20169合集

British scientists said they produced healthy baby mice by fusing sperm with reprogrammed cell material.

英国科学家曾称,他们通过将精子与改组细胞物质结合,培育出了健康幼鼠。

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VOA慢速英语_世界

He said that Tam was likely too old to produce good sperm.

他说,塔姆可能纪太大了,无法提供优良精子

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VOA慢速英语_科技

Scientists still do not know how the sperm gets inside the egg after it attaches.

科学家仍然不知道精子附着后如何进入卵子内。

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摩登家庭第三季_Modern Family-Season03

And then, Cam, you're the father, right?

然后小卡 你就捐出精子 对不?

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TED-Ed(视频版)20208合集

Another collection in December 2019 produced one more embryo.

在 2019 12 搜集精子和卵子 又产了一颗新胚胎。

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BBC 听 20152合集

Then there are children born as a result of sperm or egg donation.

有些家庭孩子是精子或卵子捐献结果。

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实习医格蕾 第2季

We just wanted our kids to have two parents. So we got a sperm donor.

我们只是要我们孩子有两个父母。所以我们接受了精子捐赠。

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Osmosis-解剖与

If fertilization occurs - meaning if a sperm meets the secondary oocyte - then the corpus luteum continues making progesterone until the placenta forms.

如果这时候受精,精子遇到次级卵母细胞,黄体会持续地分泌黄体酮,直到胎盘形成。

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雅思听最新机试真题

New corals are born each April, at a certain hour on a certain night, mature corals suddenly release clouds of eggs and sperm into the sea.

某个夜晚,成熟珊瑚会突然释放出大量卵子和精子云到海中,新珊瑚就此诞

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经济学人-科技

But the procedure is largely irreversible: it involves stopping the flow of sperm from the testes by cutting conduits known as the vas deferens and sealing them or tying them off.

它包括通过切割被称为输精管管道来阻止精子从睾丸流出,并将它们密封或打结。

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连线杂志

What Plan B does is it basically prevents ovulation so that there is no egg to meet the sperm during this time, which means you can't conceive during the most important 72 hours after sex.

紧急避孕药作用是阻止排卵,使得在这段时间内没有卵子可以与精子结合,这意味着在性行为后关键 72 小时内无法受孕。

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