Medical term:
eardrum
eardrum
[ēr´drum]tympanic membrane.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
tym·pan·ic mem·brane
[TA]a thin tense membrane forming the greater part of the lateral wall of the tympanic cavity and separating it from the external acoustic meatus; it constitutes the boundary between the external and middle ears; it is a trilaminar membrane covered with skin on its external surface, mucosa in its internal surface, is covered on both surfaces with epithelium, and, in the tense part, has an intermediate layer of outer radial and inner circular collagen fibers.
Synonym(s): membrana tympani [TA], drum membrane, drum, drumhead, eardrum, membrane of tympanum, myringa, myrinx
Farlex Partner Medical Dictionary © Farlex 2012
eardrum
(îr′drŭm′)n.
The thin, semitransparent, oval-shaped membrane that separates the middle ear from the external ear. Also called tympanic membrane, tympanum.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
eardrum
Tympanic membrane, see there.McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
tym·pan·ic mem·brane
(tim-pan'ik mem'brān) [TA]A thin, tense covering that forms the greater part of the lateral wall of the tympanic cavity and separates it from the external acoustic meatus; it constitutes the boundary between the external and middle ear, is covered on both surfaces with epithelium, and in the tense part has an intermediate layer of outer radial and inner circular collagen fibers.
Synonym(s): membrana tympani [TA] , drum membrane, drum, drumhead, eardrum, myringa, myrinx.
Synonym(s): membrana tympani [TA] , drum membrane, drum, drumhead, eardrum, myringa, myrinx.
[L. membrana tympani]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
eardrum
The tympanic membrane that separates the inner end of the external auditory canal (the meatus) from the middle ear. The outer side of the drum is covered with thin skin and to the inner side is attached the malleus, first of the three tiny bones, the auditory ossicles.Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
eardrum
see TYMPANIC MEMBRANE.Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
Eardrum
A paper-thin covering stretching across the ear canal that separates the middle and outer ears.
Mentioned in: Hearing Aids
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.
tym·pan·ic mem·brane
(tim-pan'ik mem'brān) [TA]A thin tense membrane forming the greater part of the lateral wall of the tympanic cavity and separating it from the external acoustic meatus.
Synonym(s): eardrum.
Synonym(s): eardrum.
[L. membrana tympani]
Medical Dictionary for the Dental Professions © Farlex 2012
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