external auditory canal
Học thuậtThân thiện
Definition
- Noun:
- The tube-like passage in the outer ear: The "external auditory canal" is the narrow, tube-shaped structure that leads from the visible part of the ear (the auricle or pinna) inward to the eardrum (tympanic membrane). Its primary function is to conduct sound waves from the outside environment to the middle ear.
Usage Examples
- Noun:
- The doctor used an otoscope to examine the patient's external auditory canal for any blockage.
- Earwax is produced in the external auditory canal to protect it from dust and bacteria.
- An infection of the external auditory canal is commonly called swimmer's ear.
Advanced Usage
- Anatomical Context: The term is primarily used in medical, anatomical, and biological contexts to describe this specific part of human or animal anatomy.
- The study focused on the self-cleaning mechanism of the human external auditory canal.
Variants and Related Words
- Auditory canal: A more general term, often used interchangeably with "external auditory canal."
- Ear canal: The common, non-technical term for the external auditory canal.
- External acoustic meatus: The formal anatomical Latin term synonymous with external auditory canal.
Synonyms
- Ear canal (common term)
- External acoustic meatus (technical/anatomical synonym)
Related Phrases
- Blocked ear canal: A condition where the external auditory canal is obstructed.
- A buildup of cerumen can cause a blocked ear canal.
- Canal inflammation: Refers to otitis externa, an inflammation of the external auditory canal.
- Swimming in polluted water can lead to canal inflammation.
Noun
- either of the passages in the outer ear from the auricle to the tympanic membrane