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The active targets of the aneugens in the cells were not only chromosome and DNA but also all kinds of mitosis apparatuses (such as centriole, kinetochore, microtubule of spindle etc ),centromere and cell membrane.

非整倍体诱发剂在细胞中的作用靶标通常不仅是染色体和DNA,也可包括各种有丝分裂器(如中心粒、着丝点、纺锤体微管),着丝粒和细胞膜。

Due to the deficiency of cyclin B1 and 〓, spermatogonia and pachytene/diplotene primary spermatocytes in contralateral cryptorchid testis were unable to form MPF, and therefore, they could not accomplish their nuclear division, and became arrested at the transition stage from mitosis to meiosis (G2/M phase). We also found that testosterone could regulate the cyclin B1 expression in spermatogenic cells.

由于cyclin B1和〓的缺失,粗线期/双线期初级精母细胞中的MPF无望形成,从而导致生精细胞分裂停滞在由有丝分裂向减数分裂过渡的G2/M相;(5)睾酮可在翻译水平上调控阴囊内睾丸生精细胞cyclin B1蛋白的表达。

These findings provide insights into the evolution of meiosis and kinetochore regulation during mitosis and meiosis.

这些发现为研究减数分裂以及有丝分裂和减数分裂中动粒调节的演变提供了基础。

In this study, we performed sequential combined PI and DAPI staining and FISH with two different 45S rDNA clones on meiotic pachytene and mitotic metaphase chromosomes in tomato.

采用CPD染色对番茄减数分裂粗线期和有丝分裂中期染色体进行了显带分析,随后用两种不同的45S rDNA 克隆在相同的分裂相进行了荧光原位杂交定位分析。

There is also in the skin lesions of psoriasis immune globulin, complement, anti-IsA factor, anti-keratin antibodies and parakeratotic nuclei antibody, etc., these factors result in abnormal T lymphocytes in the immune cycle of separatist injury and the number of T lymphocytes in significantly reduced, such as the Con A stimulus-response is reduced, while phytohemagglutinin and pokeweed mitogen factor is a normal reaction, this phenomenon is to support T-cell subsets flawed.

在牛皮癣的皮损中还有免疫球蛋白、补体、抗IsA因子、抗角蛋白抗体及角化不全细胞核中有抗体等,这些免疫异常因子造成T淋巴细胞的周期分裂性损伤和T淋巴细胞数量明显减少,如对刀豆球蛋白的刺激反应性下降,而对植物血凝素和商陆有丝分裂因子却反应正常,这种现象支持T细胞亚群存在缺陷。

Telophase The final stage in mitosis and meiosis, in which the separated chromatids or homologous chromosomes of bivalents collect at the poles of the spindle and the nuclei of the daughter cells are formed.

细胞分裂的末期:是细胞的有丝分裂和减数分裂的终极阶段。在这个时期内,分离的姐妹染色单体或二价体的同源染色体向纺锤体两极聚拢,同时子代细胞核形成。

Analysing ustiloxins inhibiting plant cell mitosis The inhibition experiment of growth of garlic radicle showed that there were more cells in the telophase stage in the garlic radicle dealed with culture filtrate of Ustilaginodea virens than those dealed with H2O. The cell volume of the former was bigger than that of the latter. So it seemed that ustiloxins could inhibit the cell mitosis, but not in the cell elongation.

毒素对植物细胞分裂的抑制作用分析:用大蒜根尖做抑制试验,发现用稻曲病菌培养滤液处理过的大蒜根尖呈分裂末期的细胞数目明显多于相同条件浙江大学硕士学位论文下对照的数目,抑制率为69%,且细胞明显比对照的细胞大,说明毒素抑制根尖细胞的有丝分裂,但不能抑制细胞的伸长。

The testis index, testis volumes were same as the annual changes of testis mass. The curves of annual variation were all unimodality.2 The spermatogenetic cycle of Myospalax cansus comprises seven stages with significant features: Stage I , from February to April, the testis were at the stage of spermatogonia proliferation. In this period, testis index and the number of spermatogonia began to rise. Other spermatogenic cells had not yet formed; Stage II to III, from March to April, primary spermatocyte meiosis period. The testis index was highest in this stage, and spermatogenic cells were in spermatocyte stage, the primary spermatocyte meiosis generated to secondary spermatocyte; Stage IV, from April to May, spermatocytes continued to split, germ cells appeared in seminiferous tubules; Stage V, in May, sperm formation, spermatids of seminiferous tubules were transformed to spermatozoa, a large number of sperms existed in the lumen; Stage VI, spermatozoa emission period, from May to June, testis index were a significant drop and mature spermatozoa excluded gradually; VII, the testicular activity ceased basically from July to September, November to January of the following year, the spermatogenic activity ceased completely. Therefore, Myospalax cansus are animals of seasonal reproduction, spermatogenesis cycle is discontinuous type.

睾丸系数、体积和重量的年周期变化规律一致,变化曲线呈现单峰型。2甘肃鼢鼠雄性生殖腺的年周期活动由7个特征明显的时期构成:Ⅰ期,2~3月份,精原细胞增殖期,睾丸系数开始上升,精原细胞进行有丝分裂,其他生精细胞尚未形成;3~4月份为Ⅱ~Ⅲ期,初级精母细胞成熟分裂期,睾丸系数达到最大,生精细胞大多处于精母细胞阶段,初级精母细胞减数分裂生成次级精母细胞;Ⅳ期,4~5月份精母细胞继续进行分裂,精细胞在生精小管内出现;Ⅴ期,5月份,精子形成期,曲细精管中精细胞变态成精子,在管腔中存在大量的精子;Ⅵ期,精子排放期,5~6月份,睾丸系数显著下降,成熟精子从生精小管上脱离,逐渐排除;Ⅶ期,精原细胞停滞期,7~9月份睾丸生精活动基本停滞,11~翌年1月,生精活动完全停止。

The meiosis of oocytes differ from mitoses of general cells. Especially in most mammalian species, oocytes are formed during fetal life, but they are arrested at the prophase stage of the first meiotic division until around the time of ovulation.

卵母细胞的成熟分裂有别于一般细胞的有丝分裂,尤其是哺乳动物,在胎儿期或出生后不久,初级卵母细胞就陆续进入第一次成熟分裂前期阶段,但长时间的&休止&于此期,直到性成熟时在促性腺激素等因素的作用下,第一次成熟分裂才重新启动。

The most condensed and constricted region of a chromosome to which the spindle fiber is attached during mitosis.

着丝点,着丝粒一个染色体上最密集、压缩的区域,有丝分裂时梭形纤维附着于此

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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?