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Otolaryngology - Common ENT Terms

- O -

  • Obstructive Sleep Apnea

  • Obstruction of breathing by the palate, tongue and/or nose during sleep.

  • OCR

  • Ossicular chain reconstruction .

  • Odorant

  • A substance that stimulates the sense of smell.

  • Olfaction

  • The act of smelling.

  • Olfactometer

  • A device for estimating the intensity of the sense of smell.

  • Open-set Speech Recognition

  • Understanding speech without visual clues (speech reading).

  • Oromandibular Dystonia

  • Involuntary movements of the jaw muscles, lips, and tongue.

  • OSA

  • Obstructive sleep apnea.

  • Ossicle

  • A general term for any of the three ear bones.

  • Ossicles

  • A linkage of three tiny bones - the malleus, incus and stapes, also known as the hammer, anvil and stirrup; they provide the mechanical coupling between the eardrum and the cochlea

  • Ossicular Chain Reconstruction

  • Removal of the damaged ear bones and replacement with artificial bones.

  • Otitis Externa

  • Inflammation of the outer part of the ear extending to the auditory canal, commonly called “swimmer’s ear.”

  • Otitis Media

  • Infection of the middle ear, the area behind the eardrums.

  • Otoacoustic Emissions (OAE)

  • Low-intensity sounds produced by the inner ear that can be quickly measured with a sensitive microphone placed in the ear canal.

  • Otolaryngologist

  • A physician/surgeon who specializes in diseases of the ears, nose, throat, and head and neck.

  • Otologist

  • A physician/surgeon who specializes in diseases of the ear.

  • Otoplasty

  • Surgery to improve the appearance of the ears, usually attaching the ears more closely to the head when they stick out more than the person would like or if they are uneven.

  • Otorrhea

  • Discharge from the ear.

  • Otosclerosis

  • Abnormal growth of bone causing fixation of the ear bones in the middle ear, typically involving the stapes or "stirrup" bone. This prevents structures within the ear from working properly and causes hearing loss. For some people with otosclerosis, the hearing loss may become severe. This condition may involve the cochlea causing nerve hearing loss.

  • Ototoxic Drugs

  • Drugs such as a special class of antibiotics, aminoglycoside antibiotics, that can damage the hearing and balance organs located in the inner ear for some individuals.

  • Outer Ear

  • the part of the ear that captures sound; it is composed of the visible parts of the ear and the canal leading to the eardrum

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Common ENT Terms

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