Conclusion The ultrastructural changes of chalice cell, plasma cell, neuroendocrine cell and mast cell may have a potential effect on neuro-immunologic mechanism and visceral hypersensitivity of IBS.

• 结论小肠和结肠黏膜内杯状细胞、浆细胞、神经内分泌细胞、肥大细胞等超微结构的改变，可能在IBS症状发生的神经免疫、内脏感觉过敏等机制中有一定的作用。