LOM Sense Organs Set Flashcards

Terms Definitions
auditory meatus
auditory canal
auditory
pertaining to hearing
pinna
another name for auricle
typanic membrane
another name for eardrum
cerumen
another name for ear wax
audiologist
a healthcare professional specializing in the evaluation and rehabilitation of people with hearing loss
labyrinth
another name for the inner ear
photorefractive keratectomy
What does PRK stand for?
visual acuity
What does VA stand for?
cochlea
snail-shaped, spirally wound tube in the inner ear that contains hearing-sensitive receptor cells
aur/o,auricul/o, ot/o
three combined forms meaning ear
stapes
third ossicle of the middle ear
vestibulocochlear nerve
composed of auditory nerve fibers; also known as cranial nerve VIII
semicircular canals
containing two membranous sacs that contain endolymph and hair cells, which respond to the movement of the head
external auditory meatus
another name for auditory canal
perilymph
fluid contained in the labyrinth of the inner ear
incus
second ossicle bone of the middle ear
auricle
projecting part of the ear that sound waves enter
tympanic membrane
membrane between the outer and the middle ear, also known as eardrum
oval window
membrane between the middle ear and the inner ear
organ of Corti
sensitive auditory receptor area found in the cochlea of the inner ear
auditory canal
channel that leads from the pinna to the eardrum
auditory tube
channel between the middle ear and the nasopharynx
auditory nerve fibers
carry impulses from the inner ear to the brain
pupils equal, round, reactive to light and accommodation
What does PERRLA stand for?
refract
to break
-opia
suffix meaning vision
-elasma
suffix meaning plate
stapedectomy
remova of the stapes
dipl/o
combining form meaning double
hyperopia
another name for hypermetropia
iritis
inflammation of the iris
photopsia
bright flashes of light
pupill/o
combining form meaning pupil--starts with "p"
glaucoma
increased introcular pressure results in  damage to the retina and optic nerve with loss of vision
kerat/o
combined form meaning cornea--starts with "k"
strabismus
abnormal deviation of the eye
anterior chamber
cavity that contains aqueous humor
mi/o
combining form meaning smaller or less
fovea centralis
central depression in the macula
hordeolum
another name for sty or stye
intraocular lens
What does IOL stand for?
ciliary body
Mkes refractory adjustment with the lens and produces aqueous humor
biconvex
consistng of two surfaces that are rounded, elevated, and curved evenly, like part of a sphere.
sclera
tough, white outer coat of the eyeball
visual field
space of vision of each eye
laser photocoagulation
intense, precisely focused light beam creates an inflammatory reaction that seals retinal tears and leaky retinal blood vessels
acoustic neuroma
benign tumor arising from the acoustic vestibulocochlear nerve in the brain
refraction
bending of light rays by the cornea, lens, and fluids of the eye to bring the rays into focus on the retina
laser in situ keratomileusis
What does LASIK stand for?
red, green, blue
What are the three types of cones
iridectomy
a portion of the iris is removed to improve drainage of aqueous humor or to extract a foreign body
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