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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.

drum

(drum) tympanic membrane.

drum

(drŭm)
n.
Anatomy The eardrum.

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.
[L. membrana tympani]
References in periodicals archive ?
As the longest-running Energizer bunny for supply-side economics, Kemp has relentlessly beat the drum for smaller, less-intrusive government.
They can beat the drum for teamwork and excellence and open communication, but no one will dance to their tune if they fail to make the person-to-person gestures that say, "I value you," or "You did good work.
Left Unity in Wales calls on all Welsh MPs and Assembly Members to oppose those who beat the drums of war.
They beat the drums of 35 punctures for four months but they did not even speak a word about it before JC", she said this while talking to media men after his appearance before JC here.
WHEN reminders fail to ring a bell, beat the drums.
Yet a single glance at the article will leave no doubt that this is the same tired campaign of misinformation that never fails to beat the drums of war," the embassy said.
Around the council table, Fedeli is doing all he can to beat the drums of business.
Unfortunately, that opportunity was missed to some extent because the administration was slow to respond, allowing our critics to beat the drums of anti-American sentiment for days.