正常耳朵的基本结构及功能是怎样的 楼响瑜 浙江大学医学院附属杭州市第一人民医院 скачать в хорошем качестве

正常耳朵的基本结构及功能是怎样的 楼响瑜 浙江大学医学院附属杭州市第一人民医院

正常耳朵的基本结构及功能是怎样的 楼响瑜 浙江大学医学院附属杭州市第一人民医院 正常的耳廓的结构主要分为三大块，外耳、中耳和内耳。外耳主要又包括耳廓和外耳道，中耳包括骨膜及听骨链，还有骨食类的一些结构。内耳包括他的耳蜗和里面的这些听神经之类的一些结构。外耳的主要的作用，耳廓是用来收集声音的。一般的话小耳畸形，他如果是在发育过程当中，他出现了一个耳廓或者耳道畸形，这个孩子他一般都是伴有这种听力下降，但是他还往往还是有部分的听力参与。 What is the basic structure and function of normal ears The normal auricle is divided into three parts, The outer, middle and inner ear. The external ear mainly includes auricle and external auditory canal, The middle ear includes periosteum and ossicular chain, There are also some structures of osteophages. The inner ear includes his cochlea and the inner auditory nerves. The main function of the outer ear, The pinna is used to collect sound. In general, small ears are abnormal, If he's developing, He had a deformity of the auricle or ear canal, This child is usually accompanied by this kind of hearing loss, But he also often has some listening participation.