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一个次级精母细胞分裂并最终产生两个精子。One secondary spermatocyte divides and eventually grows into two sperm cells.

配子母细胞，配子细胞配偶子通过配子减数分裂而发展的细胞，尢指。A cell from which gametes develop by meiotic division, especially a spermatocyte or an oocyte.

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而多价体只在内污染10天后的实验组中出现。It was shown that polyvalent of primary spermatocyte appeared only after 10 days of 147Pm contamination.

结果表明，随着精母细胞的发育，核质凝聚程度逐渐增强。With the development of the spermatocyte the electron density in the chromatin showed a steady increase.

结论丙酸睾酮能促进小鼠睾丸精母细胞减数分裂和成熟。Conclusion Testosterone propionate plays a positive role in meiosis and maturation of spermatocyte in mice.

次级精母细胞核质间出现由内质小泡聚集成的腔。In the secondary spermatocyte emerges a cavity which is formed by the aggregation of endoplasmic reticulum vesicles.

方法小鼠睾丸初级精母细胞染色体畸变试验、精子畸形试验和致畸试验。Methods Mouse testis primary spermatocyte chromosome aberration assay, sperm morphologic analyses and teratogenic test.

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应用电镜技术对蕨类植物绵马鳞毛蕨精母细胞和游动精子的超微结构特征进行了研究。The electron microscopic technique was adopted to study spermatocyte and spermatozoid ultra-structures of Dryopteris crassirhizoma Nakai.

初级精母细胞由浅色精原细胞产生，需经过两次成熟分裂才能产生精子。Primary spermatocyte was derived from spermatogonium of light staining type and produced spermatozoon. Through two successively mature cell divisions.

提示11-酸睾酮主要干扰了初级、次级精母细胞和精子细胞的正常分化发育。To hint 11-sour testosterone main to interfere with normal differentiation development of first spermatocyte, apoptosis second spermatocyte and nematoblast.

黄颡鱼初级精母细胞的前期出现联会复合体，应是同源染色体之间进行同源基因交换的标志。The prophase of primary spermatocyte would appear synaptonemal complex, which should been the symbol that the homologous chromosome carried through the change of homologous gene.

在大生长期和成熟期，精原细胞和精母细胞对孕酮抗体发生强的免疫阳性反应。In male, the immunopositive reaction in spermatogonia , spermatocyte and spermatid to testosterone antibodies strengthened gradually during the development and maturation of testis.

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第二次成熟分裂由次级精母细胞产生精细胞，有核32个，呈圆形、梭形和弯梭形，由后者发育为32个精子。In the secondary maturation cell division the secondary spermatocyte generated spermatid containing 32 nuclei with round, spindle and crescent shapes, which eventually developed into 32 spermatozoon.