fenestra of the cochlea
Noun: - An opening or window in the bony wall separating the middle ear from the inner ear, specifically leading into the cochlea. It is one of two small membrane-covered apertures; this one connects to the scala tympani of the cochlea and is also called the round window.
This is a highly specialized anatomical term. It is used almost exclusively in medical, biological, and audiological contexts to describe a specific part of the ear's anatomy. - The fenestra of the cochlea allows fluid within the cochlea to move in response to sound vibrations transmitted by the stapes bone at the oval window. - A surgeon must be extremely careful not to damage the fenestra of the cochlea during certain ear procedures.
- Clinical Context: The integrity of the fenestra of the cochlea is crucial for normal hearing. Its flexibility allows for the pressure waves in the cochlear fluid to be dissipated.
- Comparative Anatomy: The structure is studied when comparing hearing mechanisms across different mammalian species.
- Round Window: The common synonym for the fenestra of the cochlea.
- Fenestra Ovalis (Oval Window): The other opening, covered by the base of the stapes bone, which leads into the vestibule of the inner ear.
- Fenestra (general): A general term for a small opening or window, especially in anatomical structures.
- Round window
- Fenestra rotunda
There is no direct antonym, as it is a specific anatomical structure. The other opening, the fenestra ovalis (oval window), serves a complementary but distinct function.
- Cochlear fenestra: An alternative phrasing, though less common than "fenestra of the cochlea."
- Secondary tympanic membrane: This is the thin membrane that covers the fenestra of the cochlea.
- fenestra leading into the cochlea