Figure 3: Effects of HTH on the Changes in Histopathology of kidney. Histology of kidney tissue under the light microscope from rat of normal control group (C group), diabetic model group (M group), and Huayu Tongluo herbs treatment group (HTH group) (HE staining ×400, PAS staining ×400). Ultrastructural changes in glomeruli under the electron microscope from rat of the three groups (×15000).