精子核

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。

It is associated with the manchette, a transient microtubular structure believed to be important for morphogenesis during spermiogenesis.

我们在小鼠中进行了RIM-BP3基因的敲除，结果表明它的缺失会引起精子头部发育的异常，如核畸形和顶体脱离等，最终导致雄性不育。

Objectives: The purpose of this study is to analyse the point mutation of DYS1 in azoospermic patient and to find the relationship between point mutation and azoospermia.

用聚合酶链反应方法检测了染色体核型正常的200例无精子症患者基因组DNA中的DYS1基因，发现8例有DYS1的缺失。

Immunocytochemistry further revealed that the proteins encoded by these genes accumulated inthe elongating and condensing generative nucleus during development of bicellular pollen, and weremost abundant in the two sperm nuclei within an elongated pollen tube.

免疫细胞化学进一步显示，该编码的蛋白是由这些基因的累积inthe拔节和冷凝生成核的开发过程中bicellular花粉，并weremost丰富，在两个精子细胞核内的一个狭长花粉管。

Uses giemsa's dye and microscope observe bursa copulatrix sperm of silkworm directly, artificial insemination using the sperm, the studies shows: The seminal fluid is similar in the male moth seminal vesicle and in the female bursa copulatrix after mating 20 to 30 minute, and the seminal fluid is contains large number of eupyrene sperm bundles and not be activated.

采用姬姆萨染色及显微镜下直接观察家蚕交配囊中精液，并用交配囊精液进行人工授精，研究发现：交配20~30 min雌蛾交配囊中精液与雄蛾储精囊中精液一样，精液未被活化，含有大量有核精子束。

The marrow cell micronucleus experiment, the marrow cell chromosomic aberration experiment observes mouse's toxicology nature. Results: The nickelous chloride has the genetics toxic effect to the mammal.

结果 该研究下未观察到有明显的诱导小鼠外周血网织红细胞微核形成作用，但有明显的染色体畸变和精子致畸形作用。

This article conducts an optimum analysis of two technical treatments in the artificial female nucleus development of fish and makes the best selection of the techniques of irradiating time and irradiating conditions of sperms and the thermal shock of ovum chromosome redoublement so as to popularize and use the techniques in production.

本文对鱼类人工雌核发育中两个技术处理进行了优化分析；对精子的照射时间、照射条件和卵子染色体加倍的温度休克等技术进行了最佳选择。目的在于推广应用于生产。

The polysaccharide of Gloipeltis furcata could bate puny core ratio and sperm abnormalityratio arose by CP and the polysaccharide had the visible function in restrainability of the mutation.

海萝多糖对由环磷酰胺诱发的微核率和精子畸形率也有着显著的抑制作用，具有很好的抗突变作用。

Effect of atrazine on micronuclei and sperm deformity in rat .

阿特拉津对小鼠微核及精子畸形率的影响。

In Klinefelter's syndrome however, due to one of nature's accidents, when the male sperm fuses with the female egg, the fetal cells have at least one extra X chromosome. The most common number of chromosomes found in KS is 47, that is 44 autosomes and 3 sex chromosomes giving a karyotype of 47,XXY.

在克氏综合徵，但由於一大自然的意外，当男性的精子导火索，与女性卵子，胎儿细胞有至少一个额外的X染色体是最常见的染色体数目，发现在堪萨斯州是47 ，这是44 autosomes和三性染色体给予染色体核型47 ， xxy 。

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。