| 团头鲂卵泡细胞的超微结构 |
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| 引用本文： | 赵维信.团头鲂卵泡细胞的超微结构[J].上海水产大学学报,1992(Z2). |
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| 作者姓名： | 赵维信 |
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| 作者单位： | 上海水产大学水产养殖系 200090 |
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| 摘 要： | 团头鲂排卵前的卵母细胞由外向内被鞘膜层基膜和颗粒层包围着。鞘膜层由鞘膜细胞和胶原纤维组成,鞘膜细胞的细胞质中充满了微丝。颗粒层由特殊颗粒细胞和颗粒细胞组成,特殊颗粒细胞的细胞质中含丰富的滑面内质网和具小管状内嵴的线粒体,表现出与类固醇激素合成有关的细胞器特征,颗粒细胞的细胞质中则含有发达的粗面内质网和具板层状内嵴的线粒体。
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| 关 键 词： | 卵泡细胞 超微结构 团头鲂 |
ULTRASTRUCTURE OF PREOVULATORY FOLLICULAR CELLS IN THE OVARY OF BLUNT SNOUT BREAM (MEGALOBRAMA AMBL YCEPHALA) |
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| Zhao Wei-xin.ULTRASTRUCTURE OF PREOVULATORY FOLLICULAR CELLS IN THE OVARY OF BLUNT SNOUT BREAM (MEGALOBRAMA AMBL YCEPHALA)[J].Journal of Shanghai Fisheries University,1992(Z2). |
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| Authors: | Zhao Wei-xin |
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| Institution: | Zhao Wei-xin Department of Aquaculture,SFU,200090 |
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| Abstract: | The preovulatory oocyte of blunt snout bream was surrounded by anouter thecal layer and an inner granulosa layer which were separated from each otherby a distinct basement membrane. The thecal layer composed of thecal cells andcollagen fibers. The thecal cells contained an abundance of microfilament. Thegranulosa layer consisted of special granulosa cells and granulosa cells. The specialgranulosa cells were characterized by the presence of numerous smooth endoplasmicreticulum and mitochondria with tubular cristae. The special granulosa cells showedcellular organelles characteristics of steroidogenesis. The granulosa cells containedwell developed rough endoplasmic reticulum and mitochondria with lamellar cristae. |
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| Keywords: | follicular cells ultrastructure Megalobrama amblycephala |
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