Ear Anatomy
impulses from the ear travel along this nerve
vestibulocochlear nerve (VIII)
part of inner ear responsible for hearing
cochlea
chemoreceptors are in the upper nasal cavities (taste or smell)
smell
abbreviation for left eye
OS
nausea caused by motion, especially by traveling in a vehicle
motion sickness
outermost part of the ear
auricle (pinna)
responsible for dynamic equilibrium; balance and coordination
semicircular canals
taste sensation for foods high in carbohydrates like sucrose
sweet
abbreviation for otology
oto
an electronic medical device that does the work of damaged parts of the inner ear (cochlea) to provide sound signals to the brain
cochlear implant
three bones in the middle ear (in order)
malleus, incus, stapes
vibrates, causing fluid in cochlea to "wave"
oval window
spicy is a considered a ____ response
pain
REM
rapid eye movement
can be conductive or sensorineural
hearing loss
sac in the semicircular canal
ampulla
when head position changes, ____ roll in response to ____ causing hair cells to bend
otoliths, gravity
taste is __% smell
80%
EENT
ears, eyes, nose, throat
inflammation in the middle ear caused by fluid or mucous, increased pressure causes discomfort
Otitis Media
cap of gelatin on the crista
cupulla
determined by the location of sound wave (different hair cells would vibrate)
frequency
______(how many) taste buds are in the ____ (small elevations) of the tongue
5,000-10,000, papillae
PERRLA
pupils equal, round, reactive to light and accommodation
inner ear disorder that affects hearing and balance
Meniere's Syndrome