HISTOLOGICAL CHANGES INDUCED BY LEAD NITRATES IN THE GILLS OF GRASS CARP, Ctenopharyngodon idelia (Val.) JUVENILES
2009
Jabbar K. Abdul-Hassan and Entesar Sh. Hashim
The present study showed that the lead had toxic effects on the gill structures of the grass carp (Ctenopharyngodon idella) juveniles such as clubbing molting of epithelial cells, epithelial separation, necrosis, fusion of adjacent lamellar epithelium and hyperplasia of secondary lamellar epithelium, destruction of epithelial cells, curved of epithelial, loose in regular shape of epithelium, bite and bleeding tissues through exposure for 48 hrs. All these histological changes depended on lead concentration and exposure period.
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