fenestra rotunda
Học thuậtThân thiện
Definition
- Noun:
- An opening in the cochlea: The fenestra rotunda is a membrane-covered opening in the inner ear, specifically in the bony wall of the cochlea.
- A specific anatomical structure: It is one of two small windows (the other being the fenestra ovalis) in the temporal bone that connect the middle ear to the fluid-filled chambers of the inner ear. It functions to release pressure from the cochlear fluid.
Usage
- The fenestra rotunda is a critical component for hearing, allowing fluid within the cochlea to move.
- In anatomy, the fenestra rotunda is also known as the round window.
- Damage to the fenestra rotunda can affect hearing transmission.
Examples
- Noun:
- Sound vibrations are transmitted from the stapes to the cochlea, with the fenestra rotunda serving as a pressure release.
- The surgeon carefully examined the fenestra rotunda during the inner ear procedure.
Advanced Usage
- "Fenestra rotunda membrane": Refers specifically to the thin, flexible membrane that seals the opening.
- The integrity of the fenestra rotunda membrane is essential for proper cochlear function.
Variants and Related Words
- Round window: The common English synonym for fenestra rotunda.
- Fenestra ovalis (noun): The oval window, the other opening connecting the middle ear to the inner ear.
- Cochlear window: Another descriptive term sometimes used.
Synonyms
- Round window: The direct and most frequently used synonym in medical and anatomical contexts.
Notes
- The term fenestra rotunda is primarily used in technical, medical, and anatomical descriptions. In general contexts, "round window" is more common.
- It is a fixed anatomical term; it does not have phrasal verbs or idioms associated with it.
Noun
- fenestra leading into the cochlea