tympanic cavity


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to tympanic cavity: tympanic membrane, round window, Eustachian tube

tympanic cavity

n.
A large, irregularly shaped cavity of the middle ear.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tympanic cavity - the main cavity of the eartympanic cavity - the main cavity of the ear; between the eardrum and the inner ear
bonelet, ossicle, ossiculum - a small bone; especially one in the middle ear
auditory apparatus - all of the components of the organ of hearing including the outer and middle and inner ears
bodily cavity, cavum, cavity - (anatomy) a natural hollow or sinus within the body
auditory tube, Eustachian tube - either of the paired tubes connecting the middle ears to the nasopharynx; equalizes air pressure on the two sides of the eardrum
malleus, hammer - the ossicle attached to the eardrum
incus, anvil - the ossicle between the malleus and the stapes
stapes, stirrup - the stirrup-shaped ossicle that transmits sound from the incus to the cochlea
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
[23] He mentioned that the volume of middle ear space combined with the tympanic cavity and mastoid air volume is also an important parameter that determine the amount of hearing loss caused by perforation.
The extension of cholesteatoma in each ear was surgically confirmed and scored according to middle ear involvement using the STAM system: S1 (supratubal recess), S2 (sinus tympani), T (tympanic cavity), A (attic), and M (mastoid) (Figure 1) [4].
Endoscopic exclusive transcanal approach to the tympanic cavity cholesteatoma in pediatric patients: Our experience.
The left tympanic cavity and external auditory canal were filled with soft-tissue masses.
Cholesteatoma (keratoma) represents the presence of a non-neoplastic accumulation of keratinizing stratified squamous epithelium along with desquamated keratin debris in the tympanic cavity and/or mastoid.
In understanding the physiological conditions of the blood supply inside the tympanic cavity, complications in the middle ear surgery, for example, the necrosis of the long process of the incus after stapes prosthesis surgery, can be explained.
The diagnosis was based on the following criteria: persistent otalgia and otorrhea; granulation tissue in the external auditory canal (EAC) and/or tympanic cavity; the tumor and specific inflammation were excluded by the multiple biopsies; typical findings on computed tomography (CT) or magnetic resonance imaging (MRI).
Soft, tissue-dense, non-contrast-enhancing material filled the left external auditory meatus and tympanic cavity. The temporal bone was thin with irregularly margined destruction at the dorsomedial aspect of the left tympanic cavity.
Accumulated bacteria and debris in horizontal ear canal can eventually access tympanic cavity. As the infection establishes, tympanic membrane and ear canal epithelium become thickened and hyperplastic.
Current-generation CT has allowed increased resolution of the structures within the temporal bones and is now considered the investigation of choice7.Congenital cholesteatoma originate from embryonic epithelial remains, tend to occur in the anterior tympanic cavity, proximal to the epitympanum or stapes8.