云斑尖塘鳢精子的超微结构
Freshwater Fisheries(2012)
Abstract
采用扫描电镜和透射电镜观察了云斑尖塘鳢(Oxyeleotris marmoratus)的精子结构。结果显示:扫描电镜下云斑尖塘鳢精子由头部和尾部(鞭毛)组成。头部近似圆形,直径1.98~2.12μm,尾部鞭毛长23.22~32.92μm。透射电镜下云斑尖塘鳢精子由头部、中段和尾部三部分组成。头部细胞核呈扁卵圆形,前端不具顶体,染色质致密,细胞核内偶见小空隙;核膜与质膜间有间隙,其间分布有细胞质、囊泡、溶酶体,在细胞核后端,还分布有5~7个呈环形单层排列的线粒体;植入窝较浅,中段不明显,包括中心粒复合体和袖套;精子尾部的鞭毛细长,轴丝为典型的"9+2"型结构;轴丝外侧具有较发达的侧鳍。
MoreTranslated text
Key words
ultrastructure,spermatozoa,Oxyeleotris marmoratus
AI Read Science
Must-Reading Tree
Example
![](https://originalfileserver.aminer.cn/sys/aminer/pubs/mrt_preview.jpeg)
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined