Special Senses chapter 16 Flashcards
adjustment of the eye for various distances so that images focus on the retina of the eye
accommodation
clearness or sharpness of a sensory function
acuity
tissues or structures in the body adjacent to or near a related structure
adnexa
any fluid or semifluid of the body
humor
series of intricate communication passages
labyrinth
substance or surface that neither transmits nor allows the passage of light
opaque
fluid that very closely resembles spinal fluid but is found in the cochlea
perilymph
light-sensitive pigment in the retinal cones and rods that absorbs light and initiates the visual process; also called visual pigment
photopigment
ability to bend light rays as they pass from one medium to another
refractive
depth perception provided by visual information derived from two eyes located in slightly different positions so that each produces its own unique view of an object
stereopsis
ambly/o
dull, dim
aque/o
water
blephar/o
eyelid
choroid/o
choroid
conjunctiv/o
conjunctiva
core/o
pupill/o
pupil
corne/o
cornea
cycl/o
ciliary body of the eye; circular; cycle
dacry/o
lacrim/o
tear; lacrimal apparatus (duct, sac, or gland)
dacryocyst/o
lacrimal sac
glauc/o
gray
goni/o
angle
irid/o
iris
kerat/o
horny tissue; hard; cornea
ocul/o
ophthalm/o
eye
opt/o
optic/o
eye; vision
phac/o
lens
phot/o
light
presby/o
old age
retin/o
retina
scler/o
hardening; sclera (white of eye)
scot/o
darkness
vitr/o
vitreous body (of the eye)
audi/o
hearing
labyrinth/o
labyrinth (inner ear)
mastoid/o
mastoid process
ot/o
ear
salping/o
tubes (usually fallopian or eustachian [auditory] tubes)
staped/o
stapes
tympan/o
myring/o
tympanic membrane (eardrum)
-acusia
hearing
-cusis
hearing
-opia
vision
-opsia
vision
-tropia
turning
exo-
outside, outward
hyper-
excessive, above normal
the outermost layer of the eyeball, protective coat
fibrous tunic
middle layer of the eyeball, known as the uvea
vascular tunic
innermost layer of the eyeball
sensory tunic
function in dim light and produce black and white vision
rods
function in bright light and produce color vision
cones
outside of ear
external ear
middle of the ear
tympanic cavity
inner ear
labyrinth
vestibule system:
semicircular canals and the vestibule
