Table 2 Ameliorative effects of Mangifera indica on the histopathological changes in the gill and liver of Clarias gariepinus exposed to atrazine for 28Â days
Tissue | Lesion | Treatment | |||||
|---|---|---|---|---|---|---|---|
A | B | C | D | E | F | ||
Gill | Curling of lamella | − | +++ | + | − | − | − |
Degeneration of cartilaginous core | − | + | − | − | + | − | |
Displacement of gill filament | − | − | − | − | − | − | |
Hyperplasia | − | ++ | − | − | − | − | |
Lamella fusion | − | ++ | − | − | ++ | + | |
Lamella swelling | − | − | ++ | + | − | − | |
Necrosis | − | + | − | − | + | + | |
Oedema | − | − | + | − | − | + | |
Rupture of secondary lamella | − | ++ | − | − | − | ++ | |
Liver | Cellular infiltration | − | + | − | − | − | − |
Displacement of central vein | − | − | − | − | − | − | |
Necrosis | − | − | + | + | − | − | |
Oedema | − | ++ | − | + | − | − | |
Sinusoidal distortion | − | ++ | + | − | ++ | + | |