Chapter 17 Ear

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labyrinth

Maze like canals of the inner ear

otomycosis

abnormal condition of fungal infection in the ear.

macrotia

abnormally large ears

presbycusis

age-related hearing loss

auditory meatus

auditory canal

Eustachian tube

auditory tube

pinna

auricle; flap of the ear

postauricular

behind the ear

Acoustic neuroma

benign tumor on the auditory nerve (8th cranial nerve) that causes vertigo, tinnitus, and hearing loss

auditory canal

channel that leads from the pinna to the eardrum

vitreous humor

clear, watery fluid filling the vitreous body that fills the cavity of eyeball.

dysphonia

difficulty speaking

otic

pertaining to the ear.

stapedectomy

removal of the stapes (correct conductive deafness)

tinnitus

ringing in the ears

incus

second ossicle (bone) of the middle ear; incus means anvil

cochlea

A snail-shaped tube in the inner ear lined with sound receptors.

vertigo

Condition of dizziness, "room spinning"

tunining fork test

Test of ear conduction using a vibration source (tuning fork)

tympanic membrane

The membrane that separate the outer ear from the middle ear, also known as the eardrum.

otoscopy

Visual examination of the ear

cholesteatoma

collection of skin cells and cholesterol in a sac within the middle ear

otopyorrhea

discharge of pus from the ear

Meniere disease

disorder of the labyrinth of the inner ear; elevated endolymph pressure within the cochlea (cochlear hydrops) and semicircular canals (vestibular hydrops)

tympan/o

eardrum

salpingopharyngeal

eustanchian tube and the throat

malleus

first ossicle of the middle ear malleus means hummer

auricle

flap of the ear; the protruding part of the external ear, or pinna

myringotomy

incision of the eardrum

vestibulo

inflames the inner ear.

myringitis

inflammation of eardrum

salpingitis

inflammation of the fallopian tubes

mastoiditis

inflammation of the mastoid process ( behind the ear)

vitreous body

jelly like mass, ear conditions.

myringo/o

means ear drum

Audiometry

measurement of hearing

tympanometery

measures eardrums ability to move and gauges pressure in the middle ear

oval window

membrane that covers the opening between the middle ear and inner ear

aural

pertaining to the ear

otolaryngolosit

specialist in the ear and larynx ( upper respiratory region)

tympanoplasty

surgical repair of eardrum

ossiculoplasty

surgical repair of middle ear bone.

nasopharynx

the area directly posterior to the nose

stapes

third ossicle of the middle ear. stapes means stirrup.

semicircular canal

three canals within the inner ear that contain specialized receptor cells that generate nerve impulses with body movement

organ of corti

tissue containing the hair cells necessary for hearing

opthalmoscopy

visual examination of the interior of the eye

cerumen

waxy substance secreted by the external ear; also called earwax


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