许多儿童的听力是在日常生活中受到伤害的,要引起家长与教师的注意。每个人从咽部到中耳,都有一根管子相连,它叫咽鼓管。儿童时期这根管子相对较粗、短而直,不及成年人弯曲。每当上呼吸道发炎,如咽喉炎或鼻窦发炎时,常会波及这根管子一起发炎。又因咽喉鼓管的咽口附近有丰富的? Many children’s hearing is harmed in daily life, to attract the attention of parents and teachers. Everyone from the pharynx to the middle ear, there is a tube connected, it is called Eustachian tube. The tube is relatively thick, short and straight, less well than adults in childhood. Whenever the upper respiratory tract inflammation, such as pharyngitis or sinus inflammation, often spread to this tube with inflammation. Because of pharyngeal throat tube near the mouth is rich?