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 ?
The TMT component is custom-molded to the patient s eardrum and contains a driver mechanism that directly stimulates the eardrum, enabling efficient amplification of sound (functional gain).
Dr Ahmed Alamadi, Consultant Otologist & Neurotologist and Medical Director at Al Baraha Hospital, and chairman of Dubai Otology Conference, said: "The purpose of earwax is to trap dust and other small particles and prevent them from reaching and potentially damaging the eardrum.
Next, the team looked for internal structures in the alligators' heads that might propagate sound between the two eardrums.
The Chairman Deafness Foundation of Pakistan also warned against the role of quacks in causing deafness, adding that people should avoid ear treatment from untrained persons because they usually rupture the eardrum due to lack of knowledge about the anatomy of the ear.
Symptoms of ETD include the feeling of blocked ears, dulled or muffled hearing and some sufferers also experience pain as the eardrum is tensed or stretched.
In it she is alleged to have said that had her eardrum not been "exploding" she would have "dragged the kid out of his mother's arms and stomped him to death".
A HOMELESS man who carried out an unprovoked street attack in Birmingham on a retired doctor, perforating the victim's eardrum, has been jailed for 15 months.
There are very few ear-related emergencies in ENT; however, when the eardrum appears normal, an innocuously sounding 'blocked ear' may just be one.
One of my former ear doctors knew of my passion for diving and together we planned the timing to remove the ear tube, allow my eardrum to form a scar to close the hole left by the tube removal.
The pressure equalises on both sides of the eardrum and hence vibrates freely.
Four days before the killing, Moncada had been placed on felony probation for a February 2004 incident in which he attacked his uncle, breaking his nose and rupturing his eardrum, Cromer said.
METHOD FOR STUDYING EARDRUMS WILL ADVANCE TREATMENTS FOR HEARING LOSS -- Scientists at Worcester Polytechnic Institute (WPI) have developed a new, more powerful way to study how the eardrum responds to sound, a technique that will lead to better methods for repairing damaged eardrums and diagnosing and treating hearing loss brought on by heredity, infections, or exposure to loud sounds or music.