eighth cranial nerve
Học thuậtThân thiện
Definition
- Noun:
- A composite sensory nerve supplying the hair cells of the vestibular organ and the hair cells of the cochlea: The "eighth cranial nerve" is one of the twelve cranial nerves. It is a sensory nerve responsible for transmitting sound and balance information from the inner ear to the brain.
Usage
- The term "eighth cranial nerve" is used in medical, anatomical, and biological contexts to refer specifically to this nerve bundle. It is a precise anatomical term.
Examples
- Noun:
- Damage to the eighth cranial nerve can result in hearing loss and vertigo.
- The surgeon carefully avoided the eighth cranial nerve during the procedure.
- The audiologist explained how the eighth cranial nerve carries signals from the cochlea.
Advanced Usage
- "Vestibulocochlear nerve": This is the more formal and technically precise synonym for the eighth cranial nerve.
- The vestibulocochlear nerve, or eighth cranial nerve, has two distinct components: the cochlear nerve and the vestibular nerve.
Variants and Related Words
- Vestibulocochlear nerve (n): The anatomical name for the eighth cranial nerve.
- Acoustic nerve (n): An older, less precise term sometimes used synonymously with the eighth cranial nerve, though it technically refers only to the cochlear portion.
- Cranial nerve VIII (n): A numerical designation for the same nerve.
Synonyms
- Vestibulocochlear nerve: The primary synonym.
- Acoustic nerve: A common, though sometimes imprecise, synonym.
- Auditory nerve: Often used interchangeably, though it may refer specifically to the cochlear part.
Related Phrases
- Eighth nerve: A common abbreviated form used in medical shorthand.
- The patient was diagnosed with an eighth nerve disorder.
Noun
- a composite sensory nerve supplying the hair cells of the vestibular organ and the hair cells of the cochlea