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咽鼓管的功能可简述为服务和保护两个方面 ,前者指通气 (维持接近大气压的中耳压力 )和粘膜纤毛的清洁作用 (中耳到鼻咽的表面清除作用 ) ;后者是指正常的咽鼓管可防止液体返流入中耳及由深呼吸引起的中耳过度负压。关于这两者的定性概念较之严格的定量数据更易获得。咽鼓管功?
Eustachian tube function can be briefly described as two aspects of service and protection, the former refers to the ventilation (to maintain pressure near the atmosphere of the middle ear) and mucociliary cleaning (the role of the middle ear to nasopharyngeal surface clearance); the latter refers to Normal Eustachian tube to prevent fluid back into the middle ear and caused by deep breathing in the middle ear over-pressure. The qualitative concepts about both are more accessible than the more rigorous quantitative data. Eustachian tube work?