Fig. 8

Histopathological changes in microscopic view of the liver of feral pigeon in control group with normal structure (A, 10 ×) and treated with 75 mg/kg of nano-ZnO (B 10 × , C, D 40 ×) stained with H&E. CV central vein, L leukocyte infiltration (inflammation), P normal hepatic parenchyma, RBC red blood cells, S hepatocyte swelling area, VE vacuolization and expansion of interstitial spaces