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Histopathological changes in the gill and liver tissues of freshwater fish, Cirrhinus mrigala exposed to dichlorvos
Velmurugan, Babu; Selvanayagam, Mariadoss; Cengiz, Elif Ipek; Unlu, Erhan.
  • Velmurugan, Babu; Loyola College. Department of Zoology. Environmental Science and Biotechnology Research Unit. Tamil Nadu. IN
  • Selvanayagam, Mariadoss; Loyola College. Department of Zoology. Environmental Science and Biotechnology Research Unit. Tamil Nadu. IN
  • Cengiz, Elif Ipek; Dicle University. Faculty of Science and Art. Section of Hydrobiology. Department of Biology. TR
  • Unlu, Erhan; Dicle University. Faculty of Science and Art. Section of Hydrobiology. Department of Biology. TR
Braz. arch. biol. technol ; 52(5): 1291-1296, Sept.-Oct. 2009. tab, ilus
Artículo en Inglés | LILACS | ID: lil-536407
ABSTRACT
The histopathological effects of dichlorvos, an organophosphate pesticide, on the gill and liver tissues in Cirrhinus mrigala were determined by light microscopy. The fishes were exposed to sublethal concentrations (0.91 and 1.82 ppm) of dichlorvos for 10 days with parallel untreated control. No histopathological effects were observed in control group. Hyperplasia, desquamation, and necrosis of epithelial, epithelial lifting, oedema, lamellar fusion, collapsed secondary lamellae, curling of secondary lamellae and aneurism in the secondary lamellae were observed in gill tissues exposed to dichlorvos. Hepatic lesions in the liver tissues of fishes exposed to dichlorvos were characterized by cloudy swelling of hepatocytes, congestion, vacuolar degeneration, karyolysis, karyohexis, dilation of sinusoids and nuclear hypertrophy.

Texto completo: Disponible Índice: LILACS (Américas) Idioma: Inglés Revista: Braz. arch. biol. technol Asunto de la revista: Biologia Año: 2009 Tipo del documento: Artículo País de afiliación: India / Turquía Institución/País de afiliación: Dicle University/TR / Loyola College/IN

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Texto completo: Disponible Índice: LILACS (Américas) Idioma: Inglés Revista: Braz. arch. biol. technol Asunto de la revista: Biologia Año: 2009 Tipo del documento: Artículo País de afiliación: India / Turquía Institución/País de afiliación: Dicle University/TR / Loyola College/IN