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tympanic membrane

noun, Anatomy, Zoology
1.
Origin
1855-1860
1855-60
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for tympanic membrane
  • Also called the tympanic membrane grave: noun: specific place where a body is buried.
  • At the receiving end, the outer ears collect the waves' energy, causing vibrations in the tympanic membrane-the eardrum.
  • Those oscillations exerted pressure onto the tympanic membrane in your ears.
British Dictionary definitions for tympanic membrane

tympanic membrane

noun
1.
the thin translucent oval membrane separating the external ear from the middle ear. It transmits vibrations produced by sound waves, via the ossicles, to the cochlea Also called tympanum Nontechnical name eardrum
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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tympanic membrane in Medicine

tympanic membrane n.
See eardrum.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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tympanic membrane in Science
tympanic membrane
  (tĭm-pān'ĭk)   
See eardrum.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for tympanic membrane

eardrum

membrane in the human ear that receives sound vibrations from the outer air and transmits them to the auditory ossicles, which are tiny bones in the tympanic (middle ear) cavity. It also serves as the lateral wall of the tympanic cavity, separating it from the external auditory canal. The membrane lies across the end of the external canal and looks like a flattened cone with its tip (apex) pointed inward. The edges are attached to a ring of bone, the tympanic annulus.

Learn more about eardrum with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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