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Toxicity of Bis(tri-n-butyltin)oxide (TBTO) on the Organ Structure of the Flounder, Paralichthys olivaceus  

이정식 (여수대학교 수산생명의학과)
강주찬 (부경대학교 수산생명의학과)
신윤경 (국립수산과학원 남해수산연구소)
진영국 (여수대학교 수산생명의학과)
박정준 (여수대학교 수산생명의학과)
Publication Information
Korean Journal of Environmental Biology / v.22, no.1, 2004 , pp. 133-140 More about this Journal
Abstract
The histopathologieal effects of his(tri-n-butyltin)oxide (TBTO) on the flounder, Paralichthys otivaceus were examined by means of histological methods. The experimental fishes were exposed to 0.17, 0.36, 0.60, 3.20, 6.30, 12.50 ${\mu}g \;L^{-1}$TBTO concentrations for 42 days. Histopathological change of the fish exposed to TBTO is dependent on the exposure duration and concentration. In the lower concentrations early histological changes included activated mucous cells and chloride cells, capillary hyperemia and epithelial hyperplasia in the gill; hepatocyte activation, degeneration of bile duct and pancyeatic zymogen reduction in the hepatopancreas; and capillary hyperemia, appearance of eosinophilic cell and melano-macrophagocytes in the kidney. At the higher concentrations histological changes of dysfunctionality included epithelial lifting and deformation of the lamellae in the gill; pycnosis and cytoplasmic degeneration of hepatocyte; pycnosis of haemopoietic cell and deformation of renal tubules and glomerulus in the kidney. It is indicated that TBTO induced histopathological changes in the fish as other aquatic pollutants.
Keywords
TBTO; Paralichthys olivaceus; histopathology;
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Times Cited By KSCI : 3  (Citation Analysis)
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