| 嘉陵江瓦氏黄颡鱼卵巢组织学的周年变化 |
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| 引用本文： | 盛晓洒,刁晓明,李育培,权恒,翟旭亮.嘉陵江瓦氏黄颡鱼卵巢组织学的周年变化[J].淡水渔业,2009,39(4). |
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| 作者姓名： | 盛晓洒 刁晓明 李育培 权恒 翟旭亮 |
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| 作者单位： | 西南大学动物科技学院,重庆北碚,400716 |
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| 摘 要： | 采用形态学和连续组织切片技术对瓦氏黄颡鱼(Pelteobagrus vachelli)卵巢的组织形态学进行了研究。结果显示:瓦氏黄颡鱼卵巢发育分为6个时期,卵母细胞发育分为6个时相。从10月至次年的2月份,卵巢处于第Ⅱ期;3—4月份卵巢处于第Ⅲ期;4—5月初卵巢处于第Ⅳ卵期;5—7月卵巢处于第Ⅴ期;8—9月卵巢处于第Ⅵ期。在第2时相的卵母细胞中出现卵黄核和滤泡细胞;第3时相的卵母细胞出现液泡,数目和层数随着卵巢的发育逐渐增加;第4时相的卵母细胞充满卵黄颗粒,并出现了受精孔和精孔细胞。瓦氏黄颡鱼是一次产卵类型。
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| 关 键 词： | 瓦氏黄颡鱼(Pelteobagrus vachelli) 卵巢 组织学 |
Annual change of histological of Pelteobagrus vachelli's ovary in Jia-Ling River |
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| SHENG Xiao-sa,DIAO Xiao-ming,LI Yu-pei,QUAN Heng,ZHAI Xu-liang.Annual change of histological of Pelteobagrus vachelli's ovary in Jia-Ling River[J].Freshwater Fisheries,2009,39(4). |
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| Authors: | SHENG Xiao-sa DIAO Xiao-ming LI Yu-pei QUAN Heng ZHAI Xu-liang |
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| Institution: | SHENG Xiao-sa,DIAO Xiao-ming,LI Yu-pei,QUAN Heng,ZHAI Xu-liang(College of Animal Science and Technology,Southwest University,Beibei,Chongqing 400716) |
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| Abstract: | In this paper,the morphology and histology of ovary were stuied.The results showed that the gonad development was divided into 6 stages.Stage Ⅱwas from October to February of next year,Stage Ⅲ was from February to April,Stage Ⅳ was from April to May;Stage Ⅴ was from May to July and Stage Ⅵ was from August to September.Yolk nucleus and follicular cells occurred in the-second-phases oocyte;vacuole which number and layers were increasing with the gonad development occurred in the-third-phase oocyte;yelk particles filled the-fourth-phase oocyte in which the micropyle and the micropyle of cell ocuured. |
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| Keywords: | Pelteobagrus vachelli ovary microstructure |
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