带绦虫精子发生过程中精子变形的超微结构观察（英文）

中国寄生虫学与寄生虫病杂志 ›› 1998, Vol. 16 ›› Issue (4): 269-273.

带绦虫精子发生过程中精子变形的超微结构观察（英文）

田喜凤; 袁丽杰; 霍晓青; 韩秀玲; 李懿宏; 徐敏; 芦敏杰; 戴建军; 董路

1 华北煤炭医学院寄生虫学教研室; 2 哈尔滨医科大学寄生虫学教研室; 3 华北煤炭医学院电镜室; 4 华北煤炭医学院附属医院; 5 华北煤炭医学院计算机室

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1998-08-28 发布日期:1998-08-28

ULTRASTRUCTURAL OBSERVATION ON THE TRANSFORMATION OF THE SPERMATOZOON IN SPERMATOGENESIS OF TAENIID CESTODES

Tian Xifengi ¹; Yuan Lijie ¹; Huo Xiaoqing ¹; Han Xiuling ¹ ; Li Yihong ²; Xu Min³; Lu Minjie ³; Dai Jianjun ⁴; Dong Lu ⁵

1 Department of Parasitology; North China Coal Medical College; Tangshan 063000 2 Department of Parasitology; Harbi 150086;3 Laboratory of Electron Microscope, North China Coal Medical College, Tang shan 063000;4 Affiliated hospital of North China Coal Medical College, Tang shan 063000;5 Department of computer, North China Coal Medical College, Tang shan 063000

Received:1900-01-01 Revised:1900-01-01 Online:1998-08-28 Published:1998-08-28

摘要/Abstract

摘要： 目的：研究带绦虫在精子发生过程中的精子变形。方法：透射电镜。结果：32个玫瑰花样的次级精母细胞经第2次减数分裂后，产生64个精细原形体（64－spermatid－plasmodium）。精细胞的变形过程复杂，首先见精细胞胞质和核伸长，胞质增多由胞质桥“cytophore”相连；然后是核的进一步伸长，核染色质聚合成线束状，最后脱离胞质桥，形成成熟精子。成熟的精子呈细线状，长约16．2－18．6μm，宽0．35－0．45μm，可分为有核的头部及无核的尾部两部分。头部长约5－6μm，占体长的1／3，有一个较长的核缠绕着轴丝，无线粒体。尾部长约11．2－16．6μm。在尾部的前段及头部的后方，纵断面上见一些线粒体包绕着轴丝，全长约1．6－1．7μm。精子的尾部只含一条结构为“9＋1”的轴丝。精子横断面，质膜下见46条微管（周围微管）。结论：带绦虫精子子的变形是一个非常复杂的过程。

关键词: 猪带绦虫, 牛带绦虫, 豆状带绦虫, 精子发生, 精子变形, 超微结构

Abstract: AIM: To study the transformation of taeniid spermatozoon during spermatogenesis on
the ultrastructure level. METHODS: Transmission electronmicroscopy.RESULTS: This paper was the
second part of the ultrastructural observations on the spermatogenesis in Taeniid cestodes: The
transformation of the spermatozoon.The 64 spermatid plasmodium was generated from the secondary
meiosis of the 32 rose like secondary spermatocytes. The transformation of the spermatozoon was
a complex process. Firstly, both the cytoplasm and nucleus of the spermatide longated while the cytoplasm increased and connected to the cytoplasmic mass (cytophore). Secondly, the chromatins of nucleus polymerized to a thread-bundle-like structure. Finally, it detached from the cytoplasm mass and became a mature spermatozoon. The mature spermatozoon was a thread-like structure, about 16.2- 18.6μm in length and 0.35 - 0.45 μm in diameter. There were two structurally distinct parts: the part with the nucleus was the head and the part without the nucleus was the tail. The head measured about 5- 6 μm in length, 1/3 of the total body length and contained an elongated nucleus which twined around the axoneme without mitochondria. The tailw as about 11.2- 16.6 μm in length. Throughout the core of the tail was an axoneme with typical“9+ 1”structure. The anterior of the tail, just behind the head, were some mitochondria, about 1.6- 1.7 μm in total length which twined around the axoneme. The posterior of the tail contained only an axoneme. In cross-section of the spermatozoon, about 46 microtubules were beneath the plasma membrane. CONCLUSION: The transformation of the spermatozoon is a very complex process.

Key words: Teania solium, Teania saginata, Teania pisiformis, spermatogenesis

田喜凤;袁丽杰;霍晓青;韩秀玲;李懿宏;徐敏;芦敏杰;戴建军;董路. 带绦虫精子发生过程中精子变形的超微结构观察（英文）[J]. 中国寄生虫学与寄生虫病杂志, 1998, 16(4): 269-273.

TianXifengi;YuanLijie;HuoXiaoqing;HanXiuling;LiYihong;XuMin;LuMinjie;DaiJianjun;DongLu. ULTRASTRUCTURAL OBSERVATION ON THE TRANSFORMATION OF THE SPERMATOZOON IN SPERMATOGENESIS OF TAENIID CESTODES[J]. Chinese Journal of Parasitology and Parasitic Diseases, 1998, 16(4): 269-273.

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