eardrum

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eardrum

 [ēr´drum]

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.

eardrum

(îr′drŭm′)
n.
The thin, semitransparent, oval-shaped membrane that separates the middle ear from the external ear. Also called tympanic membrane, tympanum.

eardrum

eardrum

Tympanic membrane, see there.

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]

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.

eardrum

see TYMPANIC MEMBRANE.

Eardrum

A paper-thin covering stretching across the ear canal that separates the middle and outer ears.
Mentioned in: Hearing Aids

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.
[L. membrana tympani]

eardrum

see tympanic membrane.
References in periodicals archive ?
I've been wearing great big cans, otherwise known as earphones, for almost the whole of my 25-year broadcasting career, but before my right eardrum burst, three years ago, I'd never had any hearing problems.
I recently saw a child with a normal-appearing, intact eardrum and conductive hearing loss.
Until that equalization happens, they're going to feel pressure because the eardrum is being pushed on by air,'' Ermshar said.
Other signs that there is fluid in the middle ear include the eardrum not vibrating properly or visible fluids or bubbles.
The infected fluid, or pus, puts pressure on the eardrum, which turns red (this can be seen during an examination).
The air keeps the air pressure on the inside of your eardrum equal to the pressure on the outside of the eardrum.
Unlike conventional headphones and ear buds that rely on users' eardrums to transmit sounds to the inner ear, Audio Bone headphones leverage bone conduction technology to bypass the eardrum and deliver high quality stereo sound directly to the inner ear.
COM What causes a burst eardrum and how to treat it Santdeep Paun FRCS, Consultant Nasal and Facial Plastic Surgeon at London's St Bartholomew's and The Royal London Hospital, explains: "Perforated eardrums are commonly caused by recurrent infections like Gaby's or more rarely by direct trauma to the ear such as a physical slap or the sonic pressure of a bomb blast.
And everyone's eardrums were ringing after the deafening cannon blast that signaled the start of the period naval film.
Approximately 40% of our patients developed permanent perforations in their eardrums once their tubes had been extruded, which might possibly be explained as a result of the steroid component.
The side-by-side eardrums of the fly span only about a millimeter.
Our eardrums begin hurting whenever we hear a hackneyed cliche, a stale aphorism, or overblown oratory.