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 ?
html) LA Times , ear drum could rupture due to several causes, like a loud sound or a change in pressure.
As the ear drum walls off the middle ear, there is no role of ear drops.
The middle ear canal was widened and nearby cartilage and muscle tissue was used to create a healthier, stronger ear drum.
The perforations of the ear drums likely occurred as a result of the sudden heating and expansion of air around the current, leading to pressure waves.
That causes your ear drum to vibrate, and you can hear what your friend is whispering.
Your doctor may prescribe antibiotic ear drops if the ear drum has burst.
The ear drum separates the outer ear from the middle ear.
Three needles were inserted into Ford's ear for 20 minutes and then a tiny pin was placed in his ear drum for seven days.
The outer ear meaning the part of the ear you can see on the side of the head plus the ear canal leading down to the ear drum
There's also evidence that antibiotics make little difference to the proportion of children with recurrent infections, hearing loss, or perforated ear drum, while acute complications, such as mastoiditis, are rare whether antibiotics are given or not.
Justin Bieber busted his ear drum while cliff jumping and might need a surgery soon to save his hearing skills.