当异常半球中的神经元在成熟之前经历过多的细胞分裂时，就会发生这种罕见的疾病，即大脑一侧长得比另一侧大得多。
The rare disorder, in which one side of the brain grows substantially larger than the other, occurs when neurons in the abnormal hemisphere undergo too many cell divisions before they mature.
结果表明海狸鼠卵母细胞与其它啮齿动物的卵母细胞一样，能够在体外培养成熟，完成第一次减数分裂，排出第一极体。
The results indicated that nutria oocytes, like other rodent oocytes, can be matured in vitro, complete first meiotic division and discharge first polar body.
单瓣紫花木槿的小孢子母细胞经过减数分裂形成四面体状的四分体，成熟花粉是二细胞型花粉，圆球型，表面有刺毛。
The results showed that the type of microsporic tetrads of the simple flower is belong to tetrahedral type and the mature pollen is two-celled with bristles on the surface.
细胞分裂素与生长素的使用对体胚的正常成熟没有明显的促进作用，高浓度时抑制体胚的正常成熟；
L-1. Combination of cytokinins and auxin did not marked improve somatic embryos normal maturation, furthermore prevented their maturation in a higher concentration level.
细胞分裂素与生长素的使用对体胚的正常成熟没有明显的促进作用，高浓度时抑制体胚的正常成熟；
L-1. Combination of cytokinins and auxin did not marked improve somatic embryos normal maturation, furthermore prevented their maturation in a higher concentration level.
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