secondary spermatogonium meaning in English

次级精原细胞

During the stages of primary and secondary spermatogonium , components of the nucleolus , called chromatoid bodies ( cb ) , are excluded from the nucleus
精原细胞阶段，部分核仁物质外排，成为拟染色质小体，其上聚集一群线粒体，构成“线粒体区” 。
The results reveal that there are two types of spermatogonium , primary spermatogonia ( sg1 ) and secondary spermatogonia ( sg2 ) , in the early developmental stage of testes
生精细胞之间存在着间桥连接。大眼鳜具有初级精原细胞、次级精原细胞两种类型精原细胞。
There are five developmental stages in the spermatogenesis , namely are primary spermatogonium , secondary spermatogonium , primary spermatocytes , secondaty spermatocytes and spermatids . the spermatids develop into sperm via the process of spermiogenesis . there exist cell junctions between two spermatids
电子显微镜观察表明：大眼鳜的精子发生和形成过程，经历了初级精原细胞，次级精原细胞，初级精母细胞，次级精母细胞和精子细胞阶段。