Shared Flashcard Set

Details

Med term ch 13
Ear
78
Medical
Post-Graduate
04/08/2008

Additional Medical Flashcards

 


 

Cards

Term
acous/o
Definition
hearing
Term
audi/o
Definition
hearing
Term
aer/o
Definition
air or gas
Term
aur/i
Definition
ear
Term
ot/o
Definition
ear
Term
cerumin/o
Definition
wax
Term
salping/o
Definition
eustachian tube or uterine tube
Term
tympan/o
Definition
eardrum
Term
myring/o
Definition
eardrum
Term
-acusis
Definition
hearing condition
Term
pinna
Definition
auricle (little ear); projected part of the external ear
Term
external auditory meatus
Definition
external passage for sounds collected from the pinna to the tympanum
Term
cerumen
Definition
waxy substance secreted by glands located throughout the external canal
Term
tympanic membrane
Definition
eardrum; drum-like structure that receives sound collected in the external auditory meatus (canal) and amplifies it through the middle ear
Term
malleus
Definition
hammer; first of the three auditory ossicles of the middle ear
Term
incus
Definition
anvil; middle of the three auditory ossicles of the middle ear
Term
stapes
Definition
stirrup; last of the three auditory ossicles of the middle ear
Term
eustachian tube/auditory tube
Definition
tube connecting the middle ear to the pharynx
Term
mastoid process
Definition
projection of the temporal bone located behind the ear containing air cells that connect to the middle ear
Term
oval window
Definition
membrane that covers the opening between the middle ear and inner ear
Term
inner ear
Definition
structures and liquids that relay sound waves to the auditory nerve fibers on a path to the brain for interpretation of sound
Term
labyrinth
Definition
maze; inner ear consisting of bony and membranous labyrinths
Term
cochlea
Definition
coiled tubular structure of the inner ear that contains the organ of Corti
Term
perilymph
Definition
fluid that fills the bony labyrinth of the ear
Term
endolymph
Definition
fluid within the cochlear duct of the inner ear
Term
organ of Corti
Definition
organ located in the cochlea that contains receptors that receive vibrations and generate nerve impulses for hearing
Term
vestibule
Definition
middle part of the inner ear in front of the semicircular canals and behind the cochlea that contains the utricle and saccule
Term
utricle
Definition
larger of two sacs within the membranous labyrinth of the vestibule in the inner ear
Term
saccule
Definition
smaller of two sacs within the membranous labyrinth of the vestibule in the inner ear
Term
semicircular canals
Definition
three canals within the inner ear that contain specialized receptor cells that generate nerve impulses with body movement
Term
otalgia
Definition
earache
Term
otodynia
Definition
earache
Term
otorrhagia
Definition
bleeding from the ear
Term
otorrhea
Definition
purulent drainage from the ear
Term
tinnitus
Definition
a jingling; ringing or buzzing in the ear
Term
vertigo
Definition
a turning round; dizziness
Term
otitis externa
Definition
inflammation of the external auditory meatus
Term
cerumen impaction
Definition
excessive buildup of wax in the ear
Term
myringitis
Definition
inflammation of the eardrum
Term
tympanitis
Definition
inflammation of the eardrum
Term
otitis media
Definition
inflammation of the middle ear
Term
aerotitis media
Definition
inflammation of the middle ear from changes in atmospheric pressure; often occurs in frequent air travel
Term
otosclerosis
Definition
hardening of the bony tissue in the ear
Term
mastoiditis
Definition
inflammation of the mastoid process; most commonly seen as a result of the spread of inflammation and infection in otitis media
Term
eustachian obstruction
Definition
blockage of the eustachian tube usually as a result of infection, as in otitis media
Term
acoustic neuroma
Definition
benign tumor on the auditory nerve that causes vertigo, tinnitus, and hearing loss
Term
aplasia
Definition
condition of absence of malformation of inner ear structures during embryonic development, resulting in hearing loss
Term
labyrinthitis
Definition
inflammation of the labyrinth
Term
Meniere disease
Definition
disorder of the inner ear due to 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 frequency and intensity
Term
deafness
Definition
general term for partial or complete hearing loss
Term
conductive hearing loss
Definition
hearing impairment caused by interference with sound or vibratory energy in the external canal, middle ear, or ossicles
Term
sensorineural hearing loss
Definition
hearing impairment caused by lesions or dysfunction of the cochlea or auditory nerve
Term
mixed hearing loss
Definition
combination of sensoruneural and conductive hearing loss
Term
prebyacusis/presbycusis
Definition
hearing impairment in old age
Term
audiometry
Definition
process of measuring hearing
Term
audiometer
Definition
instrument to measure hearing
Term
audiogram
Definition
record of hearing measurement
Term
audiologist
Definition
person who specializes in the study of hearing impairments
Term
auditory acuity testing
Definition
physical assessment of hearing; useful in differentiating between conductive and sensorineural hearing loss
Term
tuning fork
Definition
two-pronged, fork-like instrument that vibrates when struck; used to test for hearing, especially bone conduction
Term
brainstem auditory evoked potentials (BAEP)
Definition
electrodiagnostic testing using computerized equipment to measure involuntary responses to sound within the auditory nervous system- commonly used to assess hearing in newborns
Term
otoscopy
Definition
use of an otoscope to examine the external auditory meatus and tympanic membrane
Term
pneumatic otoscopy
Definition
otoscopic observation of the tympanic membrane as air is released into the external auditory meatus; immobility indicates the presence of middle ear effusion as occurs as a result of otitis media
Term
tympanometry
Definition
measurement of the compliance and mobility of the tympanic membrane and ossicles of the middle ear by monitoring the response after exposure to external airflow pressure
Term
microsurgery
Definition
surgery with the use of a microscope; used in procedures involving delicate tissue such as the ear
Term
myringotomy/tympanostomy
Definition
incision into the eardrum, most often for insertion of a small metal or plastic tube to keep the meatus open, avoiding fluid buildup as that which occurs as a result of otitis media
Term
otoplasty
Definition
surgical repair of the external ear
Term
stapedectomy
Definition
excision of the stapes to correct otoslerosis
Term
tympanoplasty
Definition
vein graft of a scarred tympanic membrane to improve sound conduction
Term
auditory prosthesis
Definition
any internal or external device that improves or substitutes for natural hearing
Term
hearing aid
Definition
external amplifying device designed to improve hearing by more effective collection of sound into the ear
Term
cochlear implant
Definition
electronic device implanted in the cochlea that provides sound perception to patients with severe or profound sensorineural hearing loss in both ears
Term
ear lavage
Definition
irrigation of the external ear canal, commonly done to remove excessive buildup of cerumen
Term
ear instillation
Definition
introduction of a medicated solution into the external canal
Term
decongestant
Definition
drug that reduces congestion and swelling of membranes, such as those of the nose and eustachain tube after infection
Term
BAEP
Definition
brainstem auditory evoked potentials
Term
PE
Definition
polyethylene
Term
TM
Definition
tympanic membrane
Supporting users have an ad free experience!