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- May 22, 2018 -

The otoscope is a medical term that is an elastic white translucent film that separates the external auditory canal from the middle ear and is located between the external auditory canal and the tympanic cavity. The height of the eardrum is about 9 mm. Although the eardrum is thin, it has three layers of anatomy. The medial veins of the eardrum flowed to the transverse sinus and dura mater veins and partly to the Eustachian tube veins.Laparoscopic Surgical Instruments.

Name edited by name

Why is the tympanic membrane called "drum" membrane? Its name has its meaning. The tympanic membrane resembles a layer of skin on the drum that we knocked. The sound wave is transmitted to the tympanic membrane and causes the tympanic membrane to vibrate. The moving tympanic membrane drives the ossicular chain to transmit this kind of shock wave to the basement membrane of the inner ear. The cells are auditory and then spread to the brain to form sounds. When the tympanic membrane is perforated, the vibration function of the tympanic membrane will be affected to a certain extent (depending on the size of the perforation), as if the skin of the drum is broken, the vibration will certainly be affected. This clinically induced hearing loss is called conduction deafness.




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