Fig. 7.

a] and b] liver sections of normal control group I and melatonin administrated group II showing average central veins with average hepatocytes arranged in single cell cords and average intervening blood sinusoids (H&E; x400), c] and d] liver sections of diabetic untreated group III showing mildly dilated congested central veins with marked micro-vesicular steatosis of hepatocytes (arrows) (H&E; x400), e] and f] liver sections of melatonin treated diabetic group IV showing average central veins (arrow) with average hepatocytes (H&E; x200& 400, respectively), g] and h] Kidney sections of normal control group I and melatonin administrated group II showing average renal capsule (arrow), average glomeruli with average proximal tubules and preserved brush borders (H&E, x200), i] and j] kidney sections of diabetic untreated group III showing small-sized glomeruli with widened Bowman’s spaces, proximal tubules with mildly vacuolated epithelial lining and partial loss of brush borders (H&E, x400), k] and l] kidney sections of melatonin treated diabetic group IV showing average renal capsule (head arrow), average glomeruli with average proximal tubules, normal epithelial lining and preserved brush borders (arrow) (H&E, x400). CV: central vein and CT: collecting tubules.