Histopathological changes in the gill and liver tissues of freshwater fish, Cirrhinus mrigala exposed to dichlorvos
By B. Velmurugan, M. Selvanayagam, E. Cengiz, E. Unlu. 2009
105 citations recorded by the source corpus.
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.
Subfields: Health, Toxicology and Mutagenesis, Plant Science
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In Health, Toxicology and Mutagenesis
Citations in the corpus
- Ecotoxicology: a review of pesticides induced toxicity in fish. (2015, background): “…and Mukerjee, 2000; Mohan, 2000; Cengiz and Unlu, 2002; Parashar and Banerjee, 2002; Dutta et al., 2003; Johal et al., 2007; Kunjamma et al., 2008; Velmurugan et al., 2009; Ba-Omar et al., 2011; Rani and Venkataramana, 2012; Deka and Mahanta, 2012; David and Kartheek, 2014), enzymes alteration,…”
- Morphologic evaluation of the gills as a tool in the diagnostics of pathological conditions in fish and pollution in the aquatic environment: a review. (2016, methodology): “Substances as dichlorvos (Velmurugan et al. 2009) cypermethrin (Raksheskar 2012), deltamethrin (Cengiz 2006), endosulfan (Cengiz and Unlu 2002), malathion (Cengiz and Unlu 2003) cause gill lesions of varying severity and nature, from the raising up of the epithelium, through petechiae, and finally…”