The outer ear includes the ear lobe and external auditory canal, which funnels sound waves toward the eardrum (or tympanicmembrane) allowing it to vibrate.
外耳包括耳垂和外耳道——用于把声波引入鼓膜，使之振动鼓膜。
2
Objective to discuss the accurate diagnosis and the best restoration methods of the traumatic perforation of tympanicmembrane.
目的探讨外伤性鼓膜穿孔准确的诊断方法和最佳的治疗方法。
3
Healing of the lateral wall of attic and the tympanicmembrane and recovery of hearing level were investigated after the operation.