Fig. 7From: Qingwei San treats oral ulcer subjected to stomach heat syndrome in db/db mice by targeting TLR4/MyD88/NF-κB pathwayHistopathological examination of oral mucosa. A normal control, B T2DM + OU, C T2DM + SH + OU, D KQKYS, E QWS-L, F QWS-H (×200, scale bar = 100 μm)Back to article page