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International Journal of Aquatic Biology، جلد ۱، شماره ۲، صفحات ۶۱-۰
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عنوان انگلیسی Histopathological effects of zinc (Zn) on mantle, digestive gland and foot in freshwater mussel, Anodonta cygnea (Linea, 1876)
چکیده انگلیسی مقاله 800x600 800x600 Heavy metals are the most important pollutants in aquatic ecosystems that may cause adverse effects on its biota. In this study, histopathological effects of zinc (Zn) and their incidence time on swan mussel, Anodonta cygnea , were studied. Exposure to Zn was done during 18 days and histopathological investigations were conducted in mantle, digestive gland and foot in days 0, 4, 9, and 18. Histopathological changes observed were: damages of epithelium cells with increasing mucous cells (in mantle) , atrophy of digestive tubules and haemocyte aggregation (in digestive gland) , and hypoplasia, increasing mucous cells and myocyte swelling (in foot). Moreover, granuloma and tissue rupture were found in all organs. Primary histopathological changes were observed in fourth day of examination in all of studied organs. Results showed that sensitivity of digestive gland is lesser than mantle and foot in exposure to Zn. Also the results indicated the histopathological alterations in the organs of swan mussel can be considered as reliable biomarkers in biomonitoring of heavy metal pollution in aquatic ecosystems. Normal 0 false false false EN-US X-NONE AR-SA /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0mm 5.4pt 0mm 5.4pt; mso-para-margin:0mm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Calibri","sans-serif";}
کلیدواژه‌های انگلیسی مقاله Zinc, Histopathology, Mantle, Digestive gland, Foot
نویسندگان مقاله فاتح moëzzi | fateh moëzzi


آرش جوانشیر | arash javanshir


سهیل ایگدری | soheil eagderi


هادی پورباقر | hadi poorbagher


نشانی اینترنتی http://npajournals.com/ijab/index.php/ijab/article/view/22
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