| 带绦虫精母细胞发生的超微结构观察 |
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| 引用本文： | 田喜凤,袁丽杰,李懿宏,霍晓青,韩秀玲,徐敏,芦敏杰,戴建军,董路.带绦虫精母细胞发生的超微结构观察[J].中国寄生虫学与寄生虫病杂志,1998,16(3):209-213. |
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| 作者姓名： | 田喜凤 袁丽杰 李懿宏 霍晓青 韩秀玲 徐敏 芦敏杰 戴建军 董路 |
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| 作者单位： | 华北煤炭医学院寄生虫学教研室，哈尔滨医科大学寄生虫学教研室，华北煤炭医学院电镜室 |
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| 摘 要： | 目的：在超微结构水平研究带绦虫精母细胞的发生。方法：透射电镜。结果：本文对猪带绦虫，牛带绦虫，及豆状带绦虫的精母细胞的发生进行了ＴＥＭ观察，结果精母细胞的发生（ｓｐｅｒｍａｔｏｃｙｔｏｇｅｎｅｓｉｓ）可分辨出两种精原细胞：Ａ型和Ｂ型，以及包绕其周围的支持细胞。Ａ型精原细胞为干细胞。Ｂ型为母细胞。Ｂ型精原细胞经４次无细胞分离的有丝分裂，形成１６个初级精母细胞，其特点为胞质中存在核糖体团。初级精母细胞经减数分裂产生３２个次级精母细胞，排列成玫瑰花团样。次级精母细胞经短暂的发育过程很快形成精细胞。结论：带绦虫精原细胞的分裂方式为无细胞分离的有丝分裂。
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| 关 键 词： | 猪带绦虫 牛带绦虫 豆状带绦虫 精母细胞的发生 超微结构 |
ULTRASTRUCTURAL OBSERVATION ON SPERMATOCYTOGENESIS IN TAENIID CESTODES |
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| Tian Xifeng,Yuan Lijie,Li Yihong,Huo Xiaoqing,Han Xiuling,Xu Min,Lu Minjie,Dai Jianjun,Dong Lu.ULTRASTRUCTURAL OBSERVATION ON SPERMATOCYTOGENESIS IN TAENIID CESTODES[J].Chinese Journal of Parasitology and Parasitic Diseases,1998,16(3):209-213. |
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| Authors: | Tian Xifeng Yuan Lijie Li Yihong Huo Xiaoqing Han Xiuling Xu Min Lu Minjie Dai Jianjun Dong Lu |
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| Affiliation: | 1 Department of Parasitology, North China Coal Medical College, Tangshan, 0630002 Department of Parasitology, Harbin Medical University, Harbin 1500863 Laboratory of Electron Microscope, 4 Affiliated Hospital, 5 Department of Computer, North China Coal Medical College, Tangshan, 063000 |
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| Abstract: | AIM: To study the spermatocytogenesis of taeniid cestodes at the ultrastructural leaves. METHODS: Transmission electron microscopy. RESULTS: The ultrastructural observation on spermatocytogenesis in Taenia solium, T. saginata and T. pisiformis were made by TEM. Two types of spermatogonia; type A and B, as well as the supporting cells surrounding the peripheral of spermatogonia are recognized. The type A spermatogonia are stem cells and the type B are mother cells which produce 16 primary spermatocytes by mitosis for 4 times with the cells unseparated. The primary spermatocytes are characterized by the ribosome masses in the cytoplasm. 32 secondary spermatocytes arranged in roselike were produced by reductive division of primary spermatocytes. The secondary spermatocytes become the spermatid quickly by short time development. CONCLUSION: The dividing mode of spermatogonia in Taeniid cestodes is mitosis with cells unseparated. |
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| Keywords: | Taenia solium Taenia saginata Taenia pisiformis spermatogenesis ultrastructure |
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