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Stack #169604

The Ear

What is the process of measuring hearing? Audiometry
What is the instrument to measure hearing? Audiometer
What is the record of hearing measurement called? Audiogram
What do you call the person who specializes in the study of hearing impairments? Audiologist
What is the general term for partial or complete hearing loss? Deafness
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
What do you call hearing impairment caused by lesions or dysfunction of the cochlea or auditory nerve? Sensorineural hearing loss
What is a combination of sensorineaural and conductive hearing loss? Mixed hearing loss
What is hearing impairment in old age? Presbyacusis or Prebycusis
auricle(little ear) projuctied part of the external ear Pinna
external passage for sounds collected from the pinna to the tympanum external auditory meatus (canal)
waxy substance secredted by glands located throughout the external canal cerumen
eardrum; drum-like structure that receives sound collected in the external auditory meatus (canal) and amplifies it through the middle ear tympanic membrane (TM)
hammer; first of the three auditory ossicles of the middle ear malleus
anvil; middle of the tree auditory ossicles of the middle ear incus
stirrup; last of the tree auditory ossicles of the middle ear stapes
tube connectig the middle ear to the pharynx (throat) eustachian tube or auditory tube
projection of the temporal bone located behind the ear containing air cells that connect to the middle ear (masto=breast) mastoid process
membrane that covers the opening between the middle ear and inner ear oval window
structures and liquids that relay sound waves to the auditory nerve fibers on a path to the brain for interpretation of sound inner ear
maze; inner ear consisting of bony and membranous labyrinths labyrinth
coiled tubular structure of the inner ear that contains the organ of Corti cochlea
fluid that fills the bony labyrinth of the ear perilymph
fluid within the cochlear duct of the inner ear (labyrinth) endolymph
organ located in the cochlea that contains receptors (hair cells) that receive vibrations and generate nerve impulses for hearing organ of Corti
middle part of the inner ear in front of the semicircular canals and behind the cochlea that contains the ultricle and saccule vestibule
smaller of two sacs within the membranous labyrinth of the vestibule in the inner ear (sacculus=small bag) saccule
three canals withing the inner ear that contain specialized receptor cells that generate nerve impulses with body momement semicircular canals
earche otalgia or otodynia
bleeding from the ear otorrhagia
purulent drainage from the ear ottorrhea
a jingling; ringing or buzzing in the ear tinnitus
a tuning round; dizziness vertigo
inflammation of the external auditory meatus (canal) otitis externa
excessive buildup of wax in the ear cerumen impaction
inflammmation of the eardrum myringitis or tympanitis
inflammation of the middle ear otiis media
inflammation of the middle ear from changes in atmospheric pressure; often occurs in frequent air travel aerotitis media
hardening of the bony tissue in the ear otosclerosis
inflammation of the mastoid process; most commonly seen as a result of the spread of inflammation and infection in otitis media mastoiditis
blockage of the eustachian tube usually as a result of infection, as in otitis media eustachian obstruction
benign tumor on the auditory nerve that causes vertigo, tinnitus,and hearing loss acoustic neuroma
condition of absence or malformation of inner ear structures during embryonic development, resulting in hearing loss aplasia
inflammation of the labyrinth labyrinthitis
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
Created by: melanie68