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呼吸道表面的粘液纤毛系统在构成机体的第一道防线中起着非常重要的作用。粘液纤毛清除功能障碍可造成反复的呼吸道感染，而感染又可引起这一系统损伤，形成恶性循环。本文叙述了粘液纤毛清除系统的病理生理、病因与治疗。
The mucociliary system on the surface of the respiratory tract plays a very important role in the body’s first line of defense. Mucous ciliary clearance dysfunction can cause repeated respiratory infections, which in turn can cause damage to the system and create a vicious cycle. This article describes the pathophysiology, etiology and treatment of mucociliary clearance system.