Fig. 1From: Acute, sub-acute, sub-chronic and chronic toxicity studies of four important Nigerian ethnomedicinal plants in ratsHistological sections of liver showing varying degrees of pathologies. I: rats administered distilled water showing normal hepatocytes. II: hepatocytes of rats treated with extracts of Azadirachta indica showing no pathology. III: congested central vein (CCV); IV: congestion and occluded sinusoids (arrow heads), with no communications with the central vein (CV); V: congestion and mononuclear cell infiltration (arrows); VI: degenerative hepatocyte; VII: congestion (C) and necrosis at 12 and 6 O’clock (N) and VIII: foci necrosis (N)Back to article page