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 ?
Commercially available cotton-tipped swabs can do more harm than good by pushing the wax deeper into your ear canals, even up against your ear drum, where it can interfere with hearing.
My ear drum might back us up a little but I'm still bringing you this new music.
The doctor, when he looks into your child's ear, sees though the external canal is fine, the ear drum looks swollen angry and red, he knows there is infection growing on the other side of the ear drum.
Not quite as scary as platform diving and hopefully I won't perforate my ear drum again, but yeah it's a big challenge.
While ear buds are touted as the best way to remove wax, these can push the wax deeper inside and even damage the ear drum, causing hearing loss.
With a hole in my ear drum there was a risk of serious injury if water were to enter the ear cups because the water pressure could force cold water through the hole into my middle ear and cause a dangerous condition known as vertigo.
The doctors reset the man's jaw and repaired his ear drum perforations with a surgical procedure known as perichondrial grafting.
Ear candles have not been shown to be effective and can have adverse side effects, including burning or perforating the ear drum.
Joel broke both his ankles and ruptured an ear drum.
The gel absorbs the shock and protects the cheek and ear drum from vibration and trauma.
The outer ear collects sound and channels it to your ear drum.
Next the sound wave vibrates a thin membrane called the ear drum that in turn moves several tiny bones in the middle ear.