At the stage of secondary spermatocyte, electron densed proacrosomal granules were found in the cell.
在次级精母细胞时期，胞质内出现致密的前顶体颗粒；
2
The spermatocyte is of polygonal shape, which contains a centriole appendage formed by the chromatoid body's surrounding the centriole.
初级精母细胞多边形，拟染色体包围中心粒形成中心粒附属物；
3
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.