Ch 17 Sense organs: The eye and ear Flashcards
(33 cards)
1
Q
-opsia
A
vision
2
Q
-otia
A
ear condition
3
Q
-acusis
A
hearing
4
Q
-cusis
A
hearing
5
Q
-opia
A
vision
6
Q
tympan/o
A
eardrum
7
Q
dacry/o
A
tear
8
Q
dipl/o
A
double
9
Q
ir/o
A
iris
10
Q
kerat/o
A
cornea
11
Q
lacrim/o
A
tear
12
Q
audiometry
A
an electric device used to determine hearing loss by frequency
13
Q
cochlear implant
A
surgically implanted device that allows hearing impaired persons to understand speech
14
Q
otitis media
A
inflammation of the middle ear
15
Q
tinnitus
A
sensation of noises in the ears
16
Q
vertigo
A
sensation of irregular motion from disease of inner ear
17
Q
pinna
A
auricle; flap of the ear
18
Q
semicircular canals
A
maintains equilibrium
19
Q
glaucoma
A
increased pressure in the eye
20
Q
cataract
A
clouding of the lens
21
Q
astigmatism
A
defective curvature of the cornea
22
Q
hyperopia
A
farsightedness
23
Q
myopia
A
nearsightedness
24
Q
presbyopia
A
impairment of vision due to old age
25
dacry/o
tear
26
sclera
tough, white outer coat of the eyeball
27
thalamus
relay center of the brain
28
refraction
bending of light rays by the cornea
29
retina
light sensitive nerve cell layer of the eye
30
rod
photoreceptor cell of retina essential for vision in dim light and for peripheral vision
31
accomodation
normal adjustment of the eye to focus on an object
32
aqueous humor
fluid produced by the ciliary body
33
cone
photoreceptor in the retina
