Figure 1 :(A) Photomicrographs of normal healthy control group rat showing normal globules of acini with normal islet cells (NIC), stained with hematoxylin and eosin. (B) Photomicrographs of diabetic control group rat showing damaged islet cells (DIC) stained with haematoxylin and eosin. (C) Photomicrographs of standard (metformin 0.5 g/mg) treated group rat showing moderate expansion of islet cells (MEIC), stained with hematoxylin and eosin. (D) Photomicrographs of Aq extract (200 mg/kg)-treated group rat showing partial restoration of islet cells (PRIC) stained with hematoxylin and eosin (400X).