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题名: Toxic effects of meothrin on the gill ultrastructure in grass carp, Ctenopharyngodon idellus
作者: Zhou, Bingsheng ; Zhang, Yongyuan ; Xu, Ying
通讯作者: State Key Lab. Freshwater Ecol. Biotechnol., Inst. Hydrobiol., Chinese Acad. Sci., Wuhan 430072, China
刊名: Journal of Environmental Sciences (China)
发表日期: 1994
卷: 6, 期:1, 页:52-61
收录类别: 其他
英文摘要: The fingerling Grass carp, Ctenopharyngodon idellus, was exposed in different concentrations of meothrin nearby 24h LC-50 and its gill morphology was examined by light and electron microscopy. The results indicate that meothrin caused fish convulsions, cough, ataxia, intermittent paralysis and overturned. Morphological examination revealed severe alterations to compare with control fish. These initially consisted in hypertrophy of the secondary lamellae, and finally resulted in local telangiectasia, fusion between secondary lamellae. Ultrastructural changes in the gills showed the pillar cell system collapse and resulted in large non-tissue spaces which were invaded by leucocytes. The cytoplasm of the epithelial cells appeared many myelin figures, electron dense deposits. Chloride cells were severely damaged with a degenerated mitochondria and nuclear membrane. Higher concentration of meothrin caused a loss of adhesion between the epithelial cells, accompanied by a collapsing of the structural integrity of the primary lamellae and degenerating of epithelial and chloride cells.
ISSN号: 1001-0742
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/17761
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Recommended Citation:
Zhou, Bingsheng; Zhang, Yongyuan; Xu, Ying.Toxic effects of meothrin on the gill ultrastructure in grass carp, Ctenopharyngodon idellus,Journal of Environmental Sciences (China),1994,6(1):52-61
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文件名: Toxic effects of meothrin on the gill ultrastructure in grass carp, Ctenopharyngodon idellus.pdf
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