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CNHP 2010 Chapter 6

The Ear

TermDefinition
acous/o hearing
audi/o hearing
aer/o air or gas
aur/l ear
ot/o ear
cerumin/o wax
myring/o eardrum
tympan/o eardrum
salping/o tube
-acusis hearing condition
ear is divided into three regions external ear, middle ear, and internal ear
auricle directs sound waves
pinna directs sound waves
external acoustic meatus passageway inward toward tympanic membrane
middle ear region between external acoustic meatus and internal ear; includes tympanic membrane
internal ear or labyrinth receives and passes sound vibrations through semicircular canals and vestibule to spiral organ (organ of Corti) within the cochlea
internal ear or labyrinth helps maintain body's equilibrium by stimulating nerve impulses resulting from movement or changes in position
BAEP brainstem auditory evoked potential
BAER brainstem auditory evoked response
ENT ear, nose, and throat
PE polyethylene
TM tympanic membrane
antibiotic a drug that inhibits the growth of or destroys microorganisms; used to treat diseases caused by bacteria
antihistamine a drug that blocks the effects of histamine
histamine a regulatory body substance released in allergic reactions, causing swelling and inflammation of tissue
anti-inflammatory a drug that reduces inflammation
otorrhagia bleeding from the ear
otitis media inflammation of the middle ear
audiologist hearing professional who specializes in the study of hearing impairments
external ear is composed of auricle, tympanic membrane (eardrum), and external acoustic meatus
middle ear is composed of stapes, incus, and malleus
internal ear is composed of semicircular canals, vestibule, and cochlea
Created by: jtran460
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