卵子的

In normal condition, only one can inseminate oviduct.

人类男性的每一次射精，其中***所含的精子约有3亿5千个，能够顺利进入子宫内的精子则不足100万，到达输卵管的大约只有1000个左右，而有机会接近卵子的精子就只剩下100个而已，最后在正常情况下能获得授精机会的精子却只有一个。

After the nucleus of the sperm has united with the nucleus of the egg, the result of their union, the zygote, begins a process of internal division.

受精以后数小时内，也就是精子的细胞核与卵子的细胞核融合以后，所形成的这个受精卵开始内部的分裂过程。

Using a technique called nuclear transfer, technicians in the lab, Bill Ritchie and Karen Mycock, laboriously removed the DNA from 430 ewes' eggs, and inserted into 277 of these the genetic material from mammary epithelial cells.

实验室的技术人员Bill Ritchie和Karen Mycock运用一种称为核移植的技术艰难地把430个绵羊卵子的遗传物质取了出来，然后把源于乳腺上皮细胞的遗传物质移植到其中的277个中去。

The results show that, with the maturity of the gonad, the undifferentiated germ cell divided and differentiated to smaller oogonium or spermatogonia, and the oogonium or spermatogonia transformed to oocyte and sperm undergoing a series of maturation process.

摘 要 通过观察栉江珧的未分化生殖细胞，精原细胞和卵原细胞，精母细胞和卵母细胞，精子和卵子的形态结构与分布状况及核仁在卵成熟过程中的变化，对栉江珧生殖细胞发生及成熟过程的有关问题进行了探讨。

Study on effect of spawning season on biologic and biochemistry characteristic of eggs of turbot.

研究了大菱鲆产卵期对卵子的生物学及生化特征的影响。

Polyandrous females are hypothesized to gain genetic benefits for their offspring, but this assumes paternity bias favoring male genotypes that enhance offspring viability.

这种效应可能源自该精子本身在与其它精子的竞争中胜出，或是该雌性动物给予该精子接触卵子的优先权等方法。

A cavity in the ovary containing a maturing ovum surrounded by its encasing cells.

卵泡含成熟的卵子的子房中的小洞，被周围细胞所包围

The cancer can affect one or both ovaries, the organs that produce eggs.

癌症可能影响一边的或两边的卵巢，这是产生卵子的器官。

The S2 region presented only two substitutions in Tpx-1 and four in ARP and helothermine, compared with the DE S2, suggesting that this amino acid sequence was relevant for egg interaction.

与DE的S2相比，Tpx-1上S2位点有两个氨基酸变化，ARP S2位点上有4个氨基酸变化，这表明氨基酸的序列与卵子的相互作用有关。

All a woman will get is reimbursement for such immediate expense s as cab fare.

所有自愿捐赠卵子的妇女将只获得像打车费之类的补偿。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。