Fig. 3

Transverse Sections in fish hepatopancreas show normal structure of its cells hepatic cords, pancreatic acini and normal vascular tissue Control group (A), normal morphology of portal veins and hepatic sinusoids were also observed with some vacuolated hepatocytes (V), degeneration of hepatocytes (arrows), the pancreatic islands showed mild congestion (stars) Nano Se group (B); vitamin E group (C) and Nano Se + VE group (D). (H&E staining, ×400 magnification, scale bar 50 μm)