ch13 medterm: ear

ear

organ of hearing and balance

external ear

consists of the auricle and external auditory canal

auricle

external, visible part of the ear located on both sides of the head

external auditory canal

short tube that ends at the tympanic membrane

middle ear

consists of the tympanic membrane and the tympanic cavity containing the ossicles

tympanic membrane

semitransparent membrane that separates the external auditory canal and the middle ear cavity

ossicles

bones of the middle ear that carry sound vibrations

eustachian tube

passage between the middle ear and the pharynx

inner ear

consists of the labyrinth and connectors of the vestibular and the cochlear nerves

labyrinth

bony spaces within the temporal bone of the skull made up of three distinct parts: the cochlea, the semicircular canals, and the vestibule

cochlea

coiled portion of the inner ear containing the sensory organ for hearing

semicircular canals and vestibule

sensory organs of balance

vestibulocochlear nerve

cranial nerve responsible for hearing and balance

vestibular nerve

cranial nerve branch that conveys information about position and balance from the semicircular canals and vestibule to the brain

cochlear nerve

cranial nerve branch that conveys information about sound, including volume and frequency, from the cochlea to the brain

mastoid bone

portion of the temporal bone of the skull posterior and inferior to each auditory canal

audi/o

hearing

aur/i

ear

cochle/o

cochlea

labyrinth/o

labyrinth

mastoid/o

mastoid bone

myring/o

tympanic membrane

ot/o

ear

staped/o

stapes

tympan/o

middle ear

vestibul/o

vestibule

electr/o

electricity, electrical activity

myc/o

fungus

py/o

pus

-al

pertaining to

-algia

pain

-ectomy

excision, surgical removal

-gram

the record, radiographic image

-graphy

process of recording, radiographic imaging

-itis

inflammation

-logist

one who studies and treats

-logy

study of

-meter

instrument used to measure

-meyry

measurement

-osis

abnormal condition

-plasty

surgical repair

-rrhea

flow, discharge

-sclerosis

hardening

-scope

instrument used for visual examination

-scopy

visual examination

-stomy

creation of an artificial opening

-tomy

cut into, incision

labyrinthitis

inflammation of the labyrinth

mastoiditis

inflammation of the mastoid bone

myringitis

inflammation of the tympanic membrane

otalgia

pain in the ear

otomycosis

abnormal condition of fungus in the ear

otopyorrhea

discharge of pus from the ear

otorrhea

discharge from the ear

otosclerosis

hardening of the ear

acoustic neuroma

benign tumor within the inner ear that forms along the vestibulocochlear nerve

cholesteatoma

cystlike mass composed of epithelial cells and cholesterol occurring in the middle ear

Meniere disease

chronic disease of the inner ear characterized by a sensation of spinning motion

otitis externa (OE)

inflammation of the outer ear

otitis media (OM)

inflammation of the middle ear

ototoxicity

adverse pharmacologic reaction causing damage to the vestibulocochlear nerve

presbycusis

hearing impairment occurring with age

tinnitus

ringing in the ears

vertigo

sense that either one’s own body (subjective vertigo) or the environment (onjective vertigo) is revolving

cochlear implant

pertaining to the cochlea implant

labyrinthectomy

excision of the labyrinth

mastoidectomy

excision of the mastoid bone

mastoidotomy

incision into the mastoid bone

myringoplasty

surgical repair of the tympanic membrane

myringotomy

incision into the tympanic membrane

otoplasty

surgical repair of the (outer) ear

stapedectomy

excision of the stapes

tympanoplasty

surgical repair of the middle ear

tympanostomy

creation of an artificial opening into the middle ear

audiogram

record of hearing

audiometer

instrument used to measue hearing

electrocochleography

process of recording the electrical activity in the cochlea

otoscope

instrument used for visual examination of the ear

otoscopy

visual examination of the ear

tympanometer

instrument used to measure middle ear

tympanometry

measurement of middle ear

audiologist

specialist who studies and treats hearing

audiology

study of hearing

otolaryngologist (ENT)

physician who studies and treats diseases of the ear, (nose), and larynx

otolaryngology

study of the ear, (nose), and larynx

aural

pertaining to the ear

cochlear

pertaining to the cochlea

vestibular

pertaining to the vestibule

vestibulocochlear

pertaining to the vestibule and the cochlea

AOM

acute otitis media

BPPV

benign paroxysmal positional vertigo

OE

otitis externa

OM

otitis nedia

ENT

ears, nose, throat

HOH

hard of hearing