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63 Cards in this Set
- Front
- Back
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acous/o, audi/o
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hearing
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aer/o
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air or gas
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aur/i, ot/o
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ear
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cerumin/o
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wax
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salping/o
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eustachian tube or uterine tube
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tympan/o, myring/o
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eardrum
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-acusis
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hearing condition
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pinna
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auricle; projected part of the external ear
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external auditory canal
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external passage for sounds collected from the pinna to the tympanum
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cerumen
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a waxy substance secreted by glands located throughout the external canal
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tympanic membrane (TM)
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eardrum; drum like structure that receives sound collected in the external auditory canal and amplifies it through the middle ear
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malleus
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hammer; first of the three auditory ossicles of the middle ear
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incus
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anvil; middle of the three ossicles of the middle ear
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stapes
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stirrup last of the three auditory ossicles of the middle ear
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eustachian tube, auditory tube
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tube connecting the middle ear to the pharynx
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oval window
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membrane that covers the opening between the middle ear and inner ear
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labyrinth
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maze, inner ear consisting of bony and membranous passages
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cochlea
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coiled tubular structure of the inner ear that contains the organ of Corti
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perilympha
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fluid that fills the bony labyrinth of the inner ear
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endolymph
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fluid within the cochlea duct of the inner ear
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organ of Conti
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organ located in the cochlea; contains receptors that receive vibrations and generate nerve impulses for hearing
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vestibule
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middle part of the inner ear in front of the semilunar canals and behind the cochlea that contain the utricle and the saccule
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utricle
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larger of the two sacs within the membranous labyrinth of the vestibule in the inner ear
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saccule
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smaller of the two sacs within the membranous labyrinth of the vestibule in the inner ear
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semicircular canals
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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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anacusis
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total hearing loss
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otalgia, otodynia
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earache
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otorrhagia
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bleeding from the ear
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otorrhea
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purulent drainage from the ear
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paracusis
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impaired hearing
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tinnitus
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a jingling; ringing or buzzing in the ear
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vertigo
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a turning round; dizziness
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otitis externa
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inflammation of the external auditory canal
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cerumen impaction
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excessive buildup of wax in ear, often reducing hearing acuity, especially in elderly persons
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myringitis, tumpanitis
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inflammation of the eardrum
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otitis media
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inflammation of the middle ear
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aerotitis media
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inflammation of the middle ear from changes in atmospheric pressure; often occurs in frequent air travel
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eustachian obstruction
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blockage of the eustachian tube usually as a result of infection, as in otitis media
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labyrinthitis
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inflammation of the labyrinth
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otosclerosis
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hardening of the bony tissue in the ear
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deafness
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general term for partial or complete hearing loss
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conductive hearing loss
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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 of dysfunction of the cochlea or auditory nerve
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presbyacusis, presbycusis
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hearing impairment in old age
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audiometry
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process of measuring hearing
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audiometer
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instrument to measure hearing
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audiologist
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the health professional who specializes in the study of hearing impairments
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auditory acuity testing
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physical assessment of hearing; useful in differentiating between conductive and sensorineural hearing loss
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tuning fork
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two-pronged, forklike instrument that vibrates when struck ; used to test hearing, especially bone conduction
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otoscopy
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use of an otoscope to examine the external auditory canal and tympanic membrane
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tympanometry
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measurement of the conductibility of the tympanic membrane and ossicles of the middle ear by monitoring the response to external airflow pressures
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microsurgery
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surgery with the use of a microscope used in delicate tissue such as the ear
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myringotomy
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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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otoplasty
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surgical repair of the external ear
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stapedectomy
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excision of the stapes to correct otosclerosis
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tympanoplasty
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vein graft of a scarred tympanic membrane to improve sound conduction
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ear lavage
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irrigation of the external ear canal, often to remove excessive buildup of cerumen
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ear instillation
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introduction of a medicated solution into the external canal, usually administered by drop (gt) or drops (gtt) in the affected ear or ears
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antibiotic
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drug that inhibits the growth of or destroy microorganisms; used to treat diseases caused by bacteria
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antihistamine
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drug that blocks the effects of histamine
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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
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anti-inflammatory
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a drug that reduces inflammation
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decongestant
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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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