Fig. 2From: Acute, sub-acute, sub-chronic and chronic toxicity studies of four important Nigerian ethnomedicinal plants in ratsKidney histology of the experimental rats. I: rats administered distilled water showing normal kidney histology; II: vacuolar degenerations (V); III: congested blood vessel (BV); IV: necrosis (N); V: congestion (C), necrosis (N) and mononuclear cell infiltration (arrows); VI: congested glomerulus (CG)Back to article page