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| eustachian tube or uterine tube |
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| outer structures of the ear that collect sound |
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| auricle (little ear); projected part of the external ear (pinna=feather) |
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| external auditory meatus or canal |
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| external passage for sounds collected from the pinna to the tympanum |
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| structures in the middle of the ear that vibrate sound from the tympanic membrane to the inner ear |
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| eardrum; drum-ike structure that receives sound collected in the external auditory canal and amplifies it through the middle ear |
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| hammer; first of the three auditory ossicles of the middle ear |
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| anvil; middle of the three auditory ossicles of the middle ear |
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| stirrup; last of the three auditory ossicles of the middle ear |
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| eustacian tube, auditory tube |
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| tube connecting the middle ear to the pharynx (throat) |
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| membrane that covers the opening between the middle ear and inner ear |
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| intricate, fluid-filled, intercommunicating bony and membranous passages that function in hearing by relaying sound waves to auditory nerve fibers on a path to the brain for interpretation; also sense body movement and position to maintain balance and equilibrium |
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| coiled tubular structure of the inner ear that contains the organ of Corti (cochlea=snail) |
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| fluid that fills the bony labyrinth of the inner ear |
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| fluid within the membranous labyrinth of the inner ear |
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| structure located in the cochlea; contains receptors (hair cells) that receive vibrations and generate nerve impulses for hearing |
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| middle part of the inner ear, in front of the semicircular canals and behind the chochlea, that contains the utricle and the saccule; functions to provide body balance and equilibrium |
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| the larger of two sacs within the membranous labyrinth of the vestibule in the inner ear |
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| the smaller of two sacs within the membranous labyrinth of the vestibule in the inner ear |
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| three canals within the inner ear that contain specialized receptor cells that generate nerve impulses with body movement |
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| purulent drainage from the ear |
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| a jingling; a ringing or buzzing in the ear |
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| a turning round; dizziness |
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| inflammation of the external auditory meatus (canal) |
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| excessive buildup of wax in the ear that often reduces hearing acuity, especially in elderly persons |
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| inflammation of the eardrum |
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| inflammation of the middle ear |
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| inflammation of the middle ear from changes in atmospheric pressure; often occurs with frequent air travel |
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| blockage of the eustacian tube, usually as a result of infection, as in otitis media |
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| hardening of the bony tissue in the ear |
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| benign tumor on the auditory nerve (8th cranial nerve) that causes vertigo, tinnitis, and hearing loss |
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| inflammation of the labyrinth (inner ear) |
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| disorder of the inner ear resulting from an excessive buildup of endolymphatic fluid, causing episodes of vertigo, tinnitus, nausea, vomiting, and hearing loss; one or both ears can be affected, and attacks vary in both frequency and intensity |
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| general term for partial or complete loss of hearing |
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| hearing impairment caused by interference with sound or vibratory energy in the external canal, middle ear, or ossicles |
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| sensorineural hearing loss |
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| hearing impairment caused by lesions or dysfunction of the cochlea or auditory nerve |
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| combination of sensorineural and conductive hearing loss |
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| presbyacusis, presbycusis |
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| hearing impairment in old age |
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| process of measuring hearing |
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| instrument to measure hearing |
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| record of hearing measurement |
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| health professional who specializes in the study of hearing impairments |
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| physical assessment of hearing; useful in differentiating between conductive and sensorineural hearing loss |
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| a two-pronged, fork-like instrument that vibrates when struck; used to test hearing, especially bone conduction |
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| brainstem auditory evoked potential (BAEP), brainstem auditory evoked response (BAER) |
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| electrodiagnostic testing that uses computerized equipment to measure involuntary responses to sound within the auditory nervous system; commonly used to assess hearing in newborns |
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| use of an otoscope to examine the external auditory canal and tympanic membrane |
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| otoscopic observation of the tympanic membrane as air is released into the external auditory meatus; immobility indicates the presence of middle ear effusion (fluid buildup), as occurs as a result of otitis media |
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| measurement of the compliance and mobility (conductibility) of the tympanic membrane and ossicles of the middle ear by monitoring the response to external airflow pressures |
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| surgery with the use of a microscope used on delicate tissue, such as the ear |
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| myringotomy, tympanostomy |
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| incision into the eardrum, most often for insertion of a small polyethylene (PE) tube to keep the canal open and prevent fluid buildup, such as occurs in otitis media |
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| surgical repair of the external ear |
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| excision of the stapes to correct otosclerosis |
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| vein graft of a scarred tympanic membrane to improve sound conduction |
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| any internal or external device that improves or substitutes for natural hearing |
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| an external amplifying device designed to improve hearing by more effective collection of sound into the ear |
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| an electronic device implanted in the cochlea that provides sound perception to patients with severe or profound sensorineural (nerve) hearing loss in both ears |
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| irrigation of the external ear canal, often to remove excessive buildup of cerumen |
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| introduction of a medicated solution into the external canal, usually administered by drop (gt) or drops (gtt) in the affected ears |
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| a drug that inhibits the growth of or destroys microorganisms; used to treat diseases caused by bacteria |
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| a drug that blocks the effects of histamine |
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| a regulatory body substance released in allergic reactions, causing swelling and inflammation of tissues; seen in hay fever and urticaria (hives) |
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| a drug that reduces inflammation |
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| a drug that reduces congestion and swelling of membranes, such as those of the nose and eustachian tube in an infection |
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| brainstem auditory evoked potential |
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| brainstem auditory evoked response |
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