(1) Objective To study the methods of external ear reconstruction for congenital microtia.

(2) HRCT can show clearly the structure of the external ear, middle ear and internal ear.

(3) Four cases of external ear reconstruction were performed with a modified method in one stage.

(4) External ear reconstruction is one of the most challenging technologies.

(5) Objective and Methods: Ultrasonographic study external ear in 206 fetuses of 20 - 40 week gestational ages.

(6) Conclusion: Deformity of fetal external ear can be diagnosed by ultrasonography.

(7) Objective and Methods: Ultrasonographic study of the external ear in 206 fetuses of 20～40 week gestational ages.

(8) Objective To study histologic changes of rat external ear allograft and recruitment of inflammatory cells.

(9) External ear canal sound waves transmitted through the media, and then reached the tympanic membrane.

(10) METHOD Acetic acid was used to increase the permeability of mice abdomen capillaries and croton oil was used to make mice external ear swelling model.

(11) Conclusion: The above results indicate that eloson cremor might have remarkable effect on external ear eczema with low recurrence rate.

(12) The projection of skin - covered cartilage in front of the meatus of the external ear.

(13) Objective To investigate the clinical effect of auricle reconstruction and external auditory meatus shaping on congenital middle and external ear malformation.

(14) African tree pangolin has white skin and hair, lacking external ear and scaly tail.

(15) Otitis externa is dermatitis, usually bacterial, of the auditory canal and sometimes the external ear.

(16) The vertebrate organ of hearing, responsible for maintaining equilibrium as well as sensing sound and divided in mammals into the external ear, the middle ear, and the inner ear.

(17) Recently the imported porous polyethylene framework of high density has been used for external ear reconstruction by cutting and assembling in accordance with the shape of the normal ear.