primary spermatocyte [组织] 初级精母细胞
secondary spermatocyte [细胞] 次级精母细胞
second spermatocyte 次级精母细胞
first spermatocyte 初级精母细胞
spermatocyte I 初级精母细胞
spermatocyte of the second order 次级精母细胞
spermatocyte secondaire 次级精母细胞
In the soldier caste,the process of spermatogenesis included only the spermatogonia,primary spermatocyte and secondary spermatocyte stages;no spermatids or spermatozoa were observed.
兵蚁生殖细胞发育仅有精原细胞、初级精母细胞、次级精母细胞,没有精细胞和精子产生。
参考来源 - 尖唇散白蚁工蚁、兵蚁和繁殖蚁精子发生的比较研究·2,447,543篇论文数据,部分数据来源于NoteExpress
以上来源于: WordNet
N an immature male germ cell, developed from a spermatogonium, that gives rise, by meiosis, to four spermatids 精母细胞 [zoology]
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;
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;
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.
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。
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