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PHM 315 ch 13

Ear Medical Terminology pg 415-420

acous/o hearing
audi/o hearing
aer/o air or gas
aur/i ear
ot/o ear
cerumin/o wax
salping/o eustachian tube or uterine tube
tympan/o eardrum
myring/o eardrum
-acusis hearing condition
external ear pinna, external auditory meatus, cerumen
pinna auricle (little ear) ; projected part of the external ear
external auditory meatus (canal) external passage for sounds collected from the pinna to the tympanum
cerumen waxy substance secreted by glands located throughout the external canal
middle ear tympanic membrane, malleus,incus, stapes
tympanic membrane eardrum; drum like structure that receives sound collected in the external auditory meatus and amplifies it through the middle ear
malleus hammer; first of the 3 auditory ossicles of the middle ear
incus anvil; middle of the 3 ossicles of the middle ear
stapes stirrup; last of the three auditory ossicles of the middle ear
eustachian tube tube connecting the middle ear to the pharynx (throat)
auditory tube tube connecting the middle ear to the pharynx (throat)
mastoid process projection of the temporal bone located behind the ear containing air cells that connect to the middle ear
oval window membrane that covers the opening between the middle ear and the inner ear
inner ear structures and liquids that relay sound waves to the auditory nerve fibers on a path to the brain for interpretation of sound
labyrinth maze, inner ear consisting of bony and membranous labyrinths
cochlea coiled tubular structure of the inner ear that contains the organ of corti
perilymph fluid that fills the bony labyrinth of the ear
endolymph fluid within the cochlear duct of the inner ear (labyrinth)
organ of Corti organ located in the cochlea that contains receptors (hair cells) that receive vibrations and generate nerve impulses for hearing
vestibule middle part of the inner ear in front of the semicircular cannals and behind the cochlea that contains the utricle and saccule
utricle larger of the two sacs within the membranous labyrinth of the vestibule in the inner ear (uter=leather bag)
saccule smaller of the two sacs within the membranous labyrinth of the vestibule in the inner ear (sacculus = small bag)
semicircular canals three canals withinthe inner ear that contain specialized receptor cells that generate nerve impulses with body movement
otalgia earache
otodynia earache
otorrhagia bleeding from the ear
otorrhea purulent drainage from the ear
tinnitus a jingling; ringing or buzzing in the ear
vertigo a turning round; dizziness
otitis externa inflammation of the external auditory meatus
cerumen impaction excessive buildup of wax in the ear
myringitis inflammation of the eardrum
tympanitis inflammation of the earddrum
otitis media inflammation of the middle ear
aerotitis media inflammation of the middle ear from changes in atmospheric pressure, often occurs in frequent air travel
otosclerosis hardening of the bony tissue in the ear
mastoiditis inflammation of the mastoid process; most commonly seen as a result of the spread of inflammation and infection in otitis media
eustachian obstruction blockage of the eustachian tube usually as a result of infection, as in otitis media
acoustic neuroma benign tumor on the auditory nerve (8th cranial nerve) that causes vertigo, tinnitus, and hearing loss
aplasia condition of absence or malformation of inner ear structures resulting in hearing loss
labyrinthitis inflammation of the labyrinth
Meniere disease disorder of the inner ear due to an excessive buildup of endolymphatic fluid causing episodes of vertigo tinnitus N/V, and hearing loss. one or both ears may be affected and attacks vary in frequency/intensity
deafness general term for partial or complete hearing loss
conductive hearing loss hearing impairment caused by interference with sound or vibratory energy in the external canal, middle ear, or ossicles
sensorineural hearing loss hearing impairment caused by lesions or dysfunction of the cochlea or auditory nerve
mixed hearing loss combination of sensorineural and conductive hearing loss
presbyacusis hearing impairment in old age
presbycusis hearing impairment in old age
Created by: HugsAndKisses