tympanum

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tympanum

 [tim´pah-num]
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

tympanum

also

timpanum

(tĭm′pə-nəm)
n. pl. tympa·na (-nə) or tympa·nums
1.
a. Anatomy See middle ear.
b. See eardrum.
2. Zoology A membranous external auditory structure, as in certain insects.
3. The diaphragm of a telephone.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

tympanum

1. The ear drum and the middle ear cavity.
2. the middle ear and its contents.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

tympanum

see TYMPANIC MEMBRANE.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005