The Ear
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| What is the process of measuring hearing? | Audiometry
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| What is the instrument to measure hearing? | Audiometer
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| What is the record of hearing measurement called? | Audiogram
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| What do you call the person who specializes in the study of hearing impairments? | Audiologist
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| What is the general term for partial or complete hearing loss? | Deafness
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| What do you call hearing impairment caused by interference with sound or vibratory energy in the external canal, middle ear, or ossicles? | Conductive hearing loss
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| What do you call hearing impairment caused by lesions or dysfunction of the cochlea or auditory nerve? | Sensorineural hearing loss
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| What is a combination of sensorineaural and conductive hearing loss? | Mixed hearing loss
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| What is hearing impairment in old age? | Presbyacusis or Prebycusis
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| auricle(little ear) projuctied part of the external ear | Pinna
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| external passage for sounds collected from the pinna to the tympanum | external auditory meatus (canal)
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| waxy substance secredted by glands located throughout the external canal | cerumen
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| eardrum; drum-like structure that receives sound collected in the external auditory meatus (canal) and amplifies it through the middle ear | tympanic membrane (TM)
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| hammer; first of the three auditory ossicles of the middle ear | malleus
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| anvil; middle of the tree auditory ossicles of the middle ear | incus
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| stirrup; last of the tree auditory ossicles of the middle ear | stapes
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| tube connectig the middle ear to the pharynx (throat) | eustachian tube or auditory tube
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| projection of the temporal bone located behind the ear containing air cells that connect to the middle ear (masto=breast) | mastoid process
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| membrane that covers the opening between the middle ear and inner ear | oval window
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| structures and liquids that relay sound waves to the auditory nerve fibers on a path to the brain for interpretation of sound | inner ear
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| maze; inner ear consisting of bony and membranous labyrinths | labyrinth
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| coiled tubular structure of the inner ear that contains the organ of Corti | cochlea
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| fluid that fills the bony labyrinth of the ear | perilymph
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| fluid within the cochlear duct of the inner ear (labyrinth) | endolymph
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| organ located in the cochlea that contains receptors (hair cells) that receive vibrations and generate nerve impulses for hearing | organ of Corti
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| middle part of the inner ear in front of the semicircular canals and behind the cochlea that contains the ultricle and saccule | vestibule
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| smaller of two sacs within the membranous labyrinth of the vestibule in the inner ear (sacculus=small bag) | saccule
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| three canals withing the inner ear that contain specialized receptor cells that generate nerve impulses with body momement | semicircular canals
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| earche | otalgia or otodynia
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| bleeding from the ear | otorrhagia
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| purulent drainage from the ear | ottorrhea
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| a jingling; ringing or buzzing in the ear | tinnitus
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| a tuning round; dizziness | vertigo
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| inflammation of the external auditory meatus (canal) | otitis externa
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| excessive buildup of wax in the ear | cerumen impaction
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| inflammmation of the eardrum | myringitis or tympanitis
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| inflammation of the middle ear | otiis media
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| inflammation of the middle ear from changes in atmospheric pressure; often occurs in frequent air travel | aerotitis media
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| hardening of the bony tissue in the ear | otosclerosis
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| inflammation of the mastoid process; most commonly seen as a result of the spread of inflammation and infection in otitis media | mastoiditis
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| blockage of the eustachian tube usually as a result of infection, as in otitis media | eustachian obstruction
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| benign tumor on the auditory nerve that causes vertigo, tinnitus,and hearing loss | acoustic neuroma
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| condition of absence or malformation of inner ear structures during embryonic development, resulting in hearing loss | aplasia
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| inflammation of the labyrinth | labyrinthitis
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| disorder of teh inner ear due to an excessive buildup of endolymphatic fluid causing episodes of veritigo, tinnitus, nausea, vomiting and hearingloss; one or both ears can be affected, and attacks vary in frequency and intensity | Meniere disease
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