Photographs of hippocampal sections of rats in different experimental groups. There were signs of necrosis in diabetic rat hippocampus (c). Loss of neuronal and glial cells was observed in diabetic rat hippocampus (d). Administration of C. asiatica leaf extract or glibenclamide ((e)–(j)) preserved near normal hippocampal histology in diabetic rats. N = necrosis; CA = cornu amonis.