Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
3,914,125,564 visitors served.
forum Join the Word of the Day Mailing List For webmasters
?
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

oval window

   Also found in: Dictionary/thesaurus, Legal, Financial, Encyclopedia, Wikipedia 0.01 sec.
window /win·dow/ (win´do)
1. a circumscribed opening in a plane surface.
2. the voltage limits that determine which pulses will be allowed to pass on.

aortic window  a transparent region below the aortic arch, formed by the bifurcation of the trachea, visible in the left anterior oblique radiograph of the heart and great vessels.
oval window  fenestra vestibuli.
round window  fenestra cochleae.

oval window
n.
An oval opening located on the medial wall of the tympanic cavity, leading into the vestibule, to which the base of the stapes is connected and through which the ossicles of the ear transmit the sound vibrations to the cochlea. Also called fenestra of vestibule.

Oval window
A tiny opening at the entrance to the inner ear.
Mentioned in: Hearing Aids

oval window
[ō′vəl]
Etymology: L, ovum; ME, windoge
an aperture in the wall of the middle ear, leading to the inner ear. The footplate of the stapes vibrates in the oval window, transmitting sound waves to the cochlea. Also called vestibular window.

window [win´do]
a circumscribed opening in a plane surface; called also fenestra.
aortic window a radiolucent region below the aortic arch, formed by the bifurcation of the trachea, visible in the left anterior oblique radiograph of the heart and great vessels.
window of cochlea (cochlear window) round window.
oval window an oval opening in the inner wall of the middle ear, which is closed by the stapes; called also vestibular window and fenestra vestibuli.
round window a round opening in the middle ear covered by the secondary tympanic membrane; called also cochlear window and fenestra cochleae.
vestibular window (window of vestibule) oval window.

window
a circumscribed opening in a plane surface.

cochlear window, fenestra cochleae
an aperture between the tympanic cavity of the middle ear and the cochlea of the internal ear; covered by the secondary tympanic membrane. Called also round window.
oval window
an oval opening in the inner wall of the middle ear, which is closed by the stapes; called also fenestra vestibuli.
round window
see cochlear window (above).


Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
Feedback
Add definition
Mentioned in?   Medical browser?   Full browser?
 
 
 
Medical Dictionary
?

Terms of Use | Privacy policy | Feedback | Advertise with Us | Copyright © 2012 Farlex, Inc.
Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.