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
References in periodicals archive ?
tympanum being struck is sound itself, is all sound.
Tips of tegmina reach to posterior margin of tympanum or to midpoint of abdominal segment 2; black varnished regions common on tegmina in front of R1/Sc veins and in R /M areas near tip.
tympanum, Grass Skink Lampropholis guichenoti, Tussock Skink Pseudemoia pagenstecherii, Lowland Copperhead Austrelaps superbus, N.
Nanorana vicina shares characters with its sub- Himalayan brook-water congeners: Allopaa barmoachensis (Khan and Tasnim, 1989) and Allopaa hazarensis (Dubois and Khan, 1979): has longer hind limbs, indistinct tympanum, prominent post-ocular skin fold to the angle of jaws, wider head, naris nearer to the eye than to snout tip, internasal space narrower than width of the upper eyelid.
10th century tympanum above door of St Padarn's >Church, Llanbadarn Fawr, Powys
The heaviest single exhibit is the tympanum from above the door of the Birmingham Dispensary on Union Street.
For the study, the scientists captured juvenile field crickets that had not yet developed a tympanum, the equivalent to an ear, which grows on the cricket's front legs.
15) or the tympanum carved above many a cathedral door that depicts Christ in judgment (for a later, more familiar version, think of Michelangelo's "Last Judgment" in the Sistine Chapel).
(While I feel this draught of cold air from their words that freezes me, binds me and torments me in sleep.) On the limits of the Arctic Circle a couple were weeping in their room beyond a transparent wall, weeping, luminous, tender as if it were a tympanum membrane.
CT virtual endoscopy of the posterior tympanum. Radiology 1999;213(Suppl):445.