round window


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Related to round window: oval 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.

round win·dow

[TA]
an opening on the medial wall of the middle ear leading into the cochlea, closed in life by the secondary tympanic membrane.

fe·nes·tra co·chle·ae

(fĕ-nes'tră kōk'lē-ē) [TA]
An opening on the medial wall of the middle ear leading into the cochlea, closed in life by the secondary tympanic membrane.
Synonym(s): round window.

round window

The membranous, elastic opening in the outer wall of the inner ear that allows free movement of the fluid within the COCHLEA of the inner ear when sound vibrations are conveyed to it by the AUDITORY OSSICLES.

round window

see FENESTRA OVALIS AND ROTUNDA.

round win·dow

(rownd win'dō) [TA]
Opening on medial wall of middle ear leading into cochlea, closed in life by the secondary tympanic membrane.
Synonym(s): fenestra of the cochlea.
References in periodicals archive ?
Concentration gradient along the scala tympani after local application of gentamicin to the round window membrane.
Because the application of ouabain to the round window of the cochlea induces the apoptosis of type I SGNs but leaves the type II SGNs intact [7-9, 16], the pathway from the inner hair cells and their type I SGNs to the brain is almost silenced in the ouabain-treated ears.
Wen et al., "Enhanced local bioavailability of single or compound drugs delivery to the inner ear through application of PLGA nanoparticles via round window administration," International Journal of Nanomedicine, p.
When opening the round window membrane with a needle, the needle was gently placed on the membrane and was pulled sideways carefully to perforate the membrane.
They used standard or [FLEX.sup.SOFT] electrodes and the hearing preservation round window technique they developed and described in 2007 [15].
The key feature here is a large round window on the rear wall.
Neil Patel's busy double-tier set serves as the tacky Ohio living room and the ship's cabin, centered by a large, round window displaying a starry solar system.
Linda Koenings thought the large round window over the front entry was too low after it was installed.
Electrically evoked auditory brainstem responses (eEABR) are records of the neural activity of the auditory pathway elicited by extracochlear electrical stimulation, particularly of the round window (RW).
Usually round window membrane is not permeable, during chronic inflammation it becomes permeable and penetration of toxins from middle ear to inner ear which leads to sensorineural damage.
In each animal, the vibrations of the TM (or umbo; Vu), stapes head (Vs), round window (Vw), and the place of the dehiscence (Vd) were measured (Figure 1(d)) before and after the dehiscence was created and when the dehiscence had been repaired using dental cement.