1·Objectives: to investigate the external auditory meatus secretion demodex infection in healthy people.
目的：了解正常人群外耳道蠕形螨感染情况。
2·After the auditory bone chain, the tympanic membrane teach other people the external auditory meatus, causes the air vibration.
经听骨链、鼓膜传人外耳道，引起空气振动。
3·Outside the full exposition the semicircular canals outline and the anvil nest, maintains the osseous external auditory meatus behind completeness.
充分暴露外半规管轮廓和砧骨窝，保持骨性外耳道后壁的完整。
4·Objective to investigate the clinical effect of auricle reconstruction and external auditory meatus shaping on congenital middle and external ear malformation.
目的探讨先天性中外耳畸形患者耳廓再造及外耳道成形术的临床疗效。