Fig. 1
a: showing normal pancreatic tissue (H&E ×125). b: Tissue showing arteriosclerosis of medium-sized blood vessel and its branches in diabetic rat. c: Tissue with severe atrophy, depletion of cells, and necrosis in pancreatic islet of diabetic rat. d: Tissue with cell vacuolation and perivascular dropout and decreased vasculature among pancreatic islets, along with cellular infiltration by mononuclear cells in exocrine tissue in diabetic rat (Masson trichrome (MT) staining; 40× magnification). e: Tissue showing congested dilated blood vessels in diabetic rat (MT staining; 400× magnification)