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- The studies indicated that Inhibiting formation of the first and the second polar bodies in normal diploid zygotes could produce living tetraploid pearl oysters . 比较研究表明，直接抑制二倍体马氏珠母贝受精卵的极体形成可以获得成活的四倍体马氏珠母贝，此方法值得进一步研究。
- The secondary oocyte now divides again into two new cells of unequal size: a relatively large ootid (mature egg cell) and a minute second polar body. 此时，次级卵母细胞又分裂成两个大小不对等的新细胞：一个相对很大的卵子（成熟卵细胞）和一个微小的次级极体。
- When the oocytes were fertilized in vitro,the microvilli on their surface became erect,the second polar body had a nucleus, and in the cytoplasm of the oocytes there were abundant organelles which were mainly distributed in the centre of the c ells. 受精后卵母细胞表面的微绒毛由倒伏而竖起,第二极体有核,细胞质中细胞器丰富,主要分布于细胞中心。
- Estimation of Second Polar Body Retention Rate after Conventional Insemination 常规体外受精后第二极体滞留的观察
- second polar bodies [医] 第二极体
- The oocytes undergoing meiotic division sequentially extrude the first and the second small polar bodies from the large oocytes. 卵母细胞在减数分裂过程中相继排出第一和第二极体。
- second polar body 第二极体
- the second polar body 第二极体
- Objective:To establish the method of preimplantation genetic diagnosis(PGD) by use of first polar bodies. 目的:建立采用第一极体植入前染色体非整倍体诊断的方法。
- Results:The successful biopsy and FISH rate were 94.7% and 86.7% respectively. 61.5% of the first polar bodies was found to be normal, 38.5% was aneuploidy.Conc... 结果:活检成功率为94.;7%25;FISH成功率为86
- The chromosomes within these polar bodies have the same genetic and reproductive poten cials as those left in the oocytes and can be used for production of fertile off spring. 这些极体内的染色体和留在卵母细胞内的染色体同样具有遗传和生殖潜力，可用作生产有生殖能力的后代。
- Mouse oocytes undergo two successive meiotic divisions to generate one large egg with two small polar bodies, which is essential for preserving the maternal resources to support embryonic development. 不对称分裂对于很多生理功能都至关重要，包括干细胞增殖，发育的多样性，卵的减数分裂。
- The first polar body can be labeled by FITC|PNA indicating that it contains CGs. 体外成熟过程中所排出的第 1极体也被 FITC- PNA所标记 ,说明第 1极体中含有皮质颗粒。
- Later in the second polarizer,the light will again project to the transmission direction of the polarizer and interfere with each other. 在检偏振器上，沿快慢轴的两束光又分别投影到检偏器的透光轴方向上进行合成发生干涉。
- Percentage of undergoing GVBD and the first polar body extrusion in COC groups was higher than that in DO groups ( P<0.05, P<0.01) . COC各组的GVBD发生率和FP排除率明显高于DO各组(P<0.;05，P<0
- The purpose of IP logging is to determine the depth and geometry of the polarizable bodies. IP测井的目的在于确定极压体的深度和产状。
- Let us now consider polarizable bodies whose resistivities are similar to that of the geological environment. 现在我们来研究电阻率与地质介质相同的极化体。
- Tetraploids in Jinjiang oyster, Crassostrea rivularis, were induced by inhibiting the first polar body (PB1) with cytochalasin B (CB). 采用细胞松弛素B(CB)处理受精卵,抑制第一极体的排放,对近江牡蛎四倍体的诱导和培育进行了研究。
- Polyploid of Pacific abalone, Haliotis discus hannai Ino, was induced by blocking Polar body I with caffeine-heat shock treatments. 报道了用咖啡因加热休克抑制受精卵的第一极体的释放诱导皱纹盘鲍（Haliotis discus hannai Ino）多倍体的研究结果。
- He singled and went to second on a passed ball. 他击出一垒打，再因对方漏接而跑上二垒。
