acoustic 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 acoustic nerve is the eighth cranial nerve, responsible for transmitting sound and balance information from the inner ear to the brain.
Usage
- The term "acoustic nerve" is used in medical, anatomical, and biological contexts to refer specifically to the nerve of hearing and equilibrium.
- It functions as a singular noun. Example:
Examples
- Noun:
- Damage to the acoustic nerve can result in hearing loss or balance disorders.
- The audiologist explained how signals travel along the acoustic nerve to the brain.
Advanced Usage
- Clinical Context: Often discussed in relation to conditions like acoustic neuroma (a benign tumor on this nerve), hearing tests, and vestibular disorders.
- The MRI was ordered to rule out an acoustic neuroma affecting the acoustic nerve.
Variants and Related Words
- Vestibulocochlear nerve: This is the more precise anatomical term synonymous with "acoustic nerve."
- Eighth cranial nerve: Another synonymous term, referring to its position as the eighth of twelve cranial nerves.
- Cochlear nerve: Specifically refers to the branch of the acoustic nerve concerned with hearing.
- Vestibular nerve: Specifically refers to the branch of the acoustic nerve concerned with balance.
Synonyms
- Vestibulocochlear nerve
- Eighth cranial nerve
- Nervus vestibulocochlearis (the Latin anatomical term)
Related Phrases
- Acoustic nerve pathway: The route the nerve takes from the inner ear to the brainstem.
- The diagram showed the complete acoustic nerve pathway.
- Acoustic nerve function: Refers to the nerve's role in hearing and balance.
- The test measures acoustic nerve function.
Noun
- a composite sensory nerve supplying the hair cells of the vestibular organ and the hair cells of the cochlea