单词	tympanic membrane
释义	tympanic membrane noun : a thin membrane that closes externally the cavity of the middle ear and functions in the mechanical reception of sound waves and in their transmission to the site of sensory reception called also eardrum see ear illustration Example Sentences Recent Examples on the Web Garlic oil could seep past a perforated tympanic membrane into the inner ear, causing additional damage. Michael Daignault, USA TODAY, 28 Oct. 2021 Your eardrum, also known as your tympanic membrane, is where your middle ear begins. Amber Brenza, SELF, 4 Feb. 2018 Word History First Known Use 1855, in the meaning defined above Medical Definition tympanic membrane noun : a thin membrane separating the middle ear from the inner part of the external auditory canal that vibrates in response to sound energy and transmits the resulting mechanical vibrations to the structures of the middle ear called also eardrum, tympanum
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