Fig. 3From: Toxic effects of an organophosphate pesticide, envoy 50 SC on the histopathological, hematological, and brain acetylcholinesterase activities in stinging catfish (Heteropneustes fossilis)Photomicrographs of liver of Heteropneustes fossilis after 7-day exposure to 0.015 ppm Envoy 50 SC. a Control—normal regular and systematic arrangement of hepatocytes were found; b cytoplasmic vacuolation (a) and nuclear hypertrophy (b); c hemorrhage (a) and pyknotic area (b); and D vacuolation were observedBack to article page