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17.45 Otolaryngology
Ear conditions and procedures
Term | Definition |
---|---|
acoustic neuroma | benign tumor arising from the acoustic vestibulochlear nerve in the brain. |
cholesteatoma | collection of skin cells and cholesterol in a sac within the middle ear. |
deafness | loss of the ability to hear |
Meniere disease | disorder of the labyrinth of the inner ear, elevated endolymph pressure within the cochlea and semicircular canals. |
otitis media | inflammation of the midle ear |
otosclerosis | hardening of the bony tissue of the middle ear |
tinnitus | sensation of noises in the ears. |
vertigo | sensation of irregular or whirling motion either of oneslef or of external objects. |
audiometry | testing the sense of hearing |
cochlear implant | surgically implanted device allowing sensorineural hearing-impaired persons to understand speech. |
ear thermometry | Measurement of the temperature of the tympanic membrane by detection of infrared radiation from the eardrum. |
otoscopy | visual examination of the ear with an otoscope. |
tuning fork test | test of ear conduction using a vibration source (tuning fork) |