1、The auditory canal consists of cartilages and the specialized skin that lines it.
外耳道由軟骨(包括耳廓軟骨和環(huán)形軟骨)和特化的皮膚被覆其上。

2、External auditory canal cholesteatoma is a rare disease entity.
外耳道珍珠瘤為耳鼻喉臨床少見(jiàn)病例。

3、External auditory canal was eumorphism.
外耳道形態(tài)正常。