Fig. 2

Light micrographs of rat small intestine demonstrating. A Normal structure; B Enteric tissue after NSAIDs administrating: histology revealed the defect of the villi, epithelial stratification, basal lamina degeneration, and infiltration with neutrophils with diclofenac alone; C Enteric tissue after berberine intervention: the above pathological changes were improved than those in the model group