结构高低级

大体解剖 > 感觉器官 > 耳 > 外耳

下层结构


翻译

描述

The external ear consists of the expanded portion named the auricula or pinna, and the external acoustic meatus. The former projects from the side of the head and serves to collect the vibrations of the air by which sound is produced; the latter leads inward from the bottom of the auricula and conducts the vibrations to the tympanic cavity.


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