耳是司听觉及平衡觉的外周器官,按解剖部位分为外耳、中耳、内耳,从听觉的角度来讲,外耳和中耳具有传导声音的作用,故合称导音系,内耳则有听觉和位觉(平衡觉)的感受装置。颞骨为一块复合骨块,由鳞部、鼓部、乳突部、岩部和茎突所组成,外耳道部、中耳、内耳和内耳道均包含在颞骨 Ear is the Department of auditory and balance of peripheral organs, according to the anatomy is divided into the outer ear, middle ear, inner ear, from the auditory point of view, the outer ear and middle ear with the role of conduction of sound, Auditory and bodily sensations (balance). The temporal bone is a complex bone mass composed of scales, drums, mastoids, petrous and styloid processes. The external auditory canal, middle ear, inner ear, and internal auditory meatus are all included in the temporal bone