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Chapter 6

The Ear

TermDefinition
otorrhea purulent drainage from the ear
internal ear intricate, fluid-filled, intercommunicating bony and membranous passages that function in hearing
myringitis inflammation of the eardrum
auditory acuity testing physical assessment of hearing
audiometer instrument to measure hearing
otalgia earache
sensorineaural hearing los hearing impairment caused by lesions of dysfunction of the cochlea or cochlear nerve
saccule the smaller of two sacs within the membranous labyrinth of the vestibule in the inner ear
myring/o combining form meaning eardrum
oval window membrane that covers the opening between the middle ear and internal ear
cerumen impaction excessive buildup of wax in the ear that often reduces hearing acuity, especially in elderly persons
vestibule middle part of the internal ear, in front of the semicircular canals and behind the cochlea, that contains the utricle and the saccule
external auditory meatus external passage for sounds collected from the auricle to the tympanic membrane
audiologist hearing professional who specializes in the study of hearing impairments
mixed hearing loss combination of sensorineural and conductive hearing loss
otoscope instrument for examining the ear
tympanometry measurement of the compliance and mobility of the tympanic membrane and ossicles of the middle ear
deafness general term for partial or complete loss of hearing
ENT abbreviation for ear, nose, and throat
eustachian obstruction blockage of the eustachian tube, usually as a result of infection, as in otitis media
spiral organ structure located in the cochlea; contains receptors that receive vibrations and generate nerve impulses for hearing
eustachian tube tube connecting the middle ear to the pharynx
audiometry process of measuring hearing
external ear outer structures of the ear that collect sound
tympanum drum-like structure that receives sound collected in the external acoustic meatus and amplifies it through the middle ear
ear lavage irrigation of the external ear canal, often to remove excessive buildup of cerumen
anti-inflammatory a drug that reduces inflammation
aer/o combining form meaning air or gas
aerotitis media inflammation of the middle ear from changes in the atmospheric pressure; often occurs with frequent air travel
presbyacusis hearing impairment in old age
Created by: 552737856264062
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