meatus
Anatomical canal opening
A meatus is a natural opening or passage in the body—the opening of the ear canal, the nasal passages, or the urethral opening.
The term is primarily medical: The doctor examined the external auditory meatus.
Plural: meatuses or meatus.
Gap or start
- orificeBodily passage entrance
- canalDug water passage
- passageSegment of text
- channelPassage for transmission
aperture · lumen · foramen · duct · conduit · tubular · body cavity · passageway
Nasal breathing aperture
- nasal passageAirway within the nose
- sinusAir-filled cranial cavity
- turbinateCoiled nasal shelf
- paranasalAdjacent to nose cavities
nasal cavity · nasopharynx · drainage · mucosa · concha · ethmoid · rhinitis · obstruction
Urinary exit canal
- urinaryRelating to urine
- bladderOrgan holding urine
- urinationReleasing fluid waste
- micturitionMedical term for peeing
catheter · catheterization · voiding · urologist · urology · cystoscopy · stricture · stenosis
opening
Gap or start
channel · aperture · lumen · foramen · duct · conduit · tubular · body cavity · passageway · anatomy
nostril
Nasal breathing aperture
- nasal passageAirway within the nose
- sinusAir-filled cranial cavity
- turbinateCoiled nasal shelf
paranasal · nasal cavity · nasopharynx · drainage · mucosa · concha · ethmoid · rhinitis · obstruction · airway
urethra
Urinary exit canal
micturition · catheter · catheterization · voiding · urologist · urology · cystoscopy · stricture · stenosis · urethritis
ear canal
Passage to eardrum
earwax · otoscope · otitis · hearing · auditory · acoustic · external ear · middle ear · cochlea · tinnitus
meatusatresia
Congenital passage closure
occlusion · imperforate · blockage · obstruction · closure