Chapter 14- Special Sense Organs of the PNS Flashcards
0
Q
Blood supply
A
Choroid
1
Q
Refraction of light
A
Cornea
2
Q
Secretion of vitreous fluid, helps change the shape of lens
A
Ciliary body
4
Q
Movement of the globe
A
External ocular muscles
5
Q
protection for the eye
A
eyelid
6
Q
contracts or relaxes to control the amount of light entering the eye through the pupil
A
iris
7
Q
secretion of tears
A
lacrimal glands
8
Q
light refraction
A
lens
9
Q
transmission of visual information to the brain
A
optic nerve
10
Q
transforms optic signals into nerve impulses
A
retina
11
Q
distinguish light from dark, perceive shape and movement
A
rods
12
Q
color vision
A
cones
13
Q
external protection
A
sclera
14
Q
choroid/o
A
choroid
15
Q
chrom/o
A
color
16
Q
conjunctiv/o
A
conjunctiva
17
Q
corne/o, kerat/o
A
cornea
18
Q
dacry/o, lacrim/o
A
tear
19
Q
ir/o, irid/o
A
iris
20
Q
ocul/o, opthalm/o
A
eye
21
Q
opt/o, optic/o
A
vision
22
Q
presby/o
A
old or old age
23
Q
pupill/o
A
pupil
24
Q
retin/o
A
retina
25
ton/o
tone or vision
26
myopia
nearsightedness; parallel rays entering the eye are focused in front of the retina
27
hyperopia
farsightedness, or inability for the eyes to focus on nearby objects; rays of light entering the eye are brought to focus behind the retina
28
astigmatism
uneven focusing of the image, resulting from distortion of the curvature of the lens or cornea
29
agent that dilates the eye
mydriatic
30
impairment of vision due to advancing age
presbyopia
31
measurement of intraocular pressure
tonometry
32
physical space visible when head is held still
visual fields
33
reduced vision in one eye, not correctable by glasses but by wearing eye patch; also called strabismus
amblyopia
34
inflammation of the eyelid
blepharitis
35
an abnormal progressive condition of the lens, characterized by loss of transparency
cataract
36
inflammation of the conjunctiva; also called red eye or pink eye
conjunctivitis
37
an abnormal condition of increased pressure within the eye
glaucoma
38
sty or stye, resulting from an infected sebaceous gland of an eyelash
hordeolum
39
a progressive deterioration of the retina associated with new vessel formation that can progress to blindness
macular degeneration
40
poor vision at night or in dim light
nyctalopia
41
excessive sensitivity of the eyes to light
photophobia
42
drooping of the upper eyelids
ptosis
43
separation of the retina from the choroid, usually resulting from a hole of tear in the retina
retinal detachment
44
any disease of the retina
retinopathy
45
profound inability to see color
achromatopsia
46
acoust/o, audi/o
hearing
47
adenoid/o
adenoids
48
aur/o, auricul/o, ot/o
ear
49
cerumin/o
ear wax
50
cochle/o
cochlea
51
myring/o, tympan/o
eardrum
52
salping/o
Eustachian tube
53
-ory
pertaining to
54
inflammation of the middle ear
otitis media
55
inflammation of the tympanic membrane
myringitis
56
external ear infection
otitis externa
57
inner ear infection
otitis interna
58
hardening of the ear
otosclerosis
59
noise in the ear
tinnitus
60
dizziness
vertigo
61
surgical repair or reconstruction of the external ear
otoplasty
62
surgical creation of an opening through the eardrum to promote drainage and/or allow the introduction of artificial tubes
tympanostomy
63
medicines used to soften and break down earwax
ceruminolytics
64
an implanted device that assists hearing by electrically stimulating the cochlea
cochlear implant
65
chem/o
chemical
66
mechan/o
mechanical
67
noc/i
cause harm, injury, or pain
68
phot/o
light
69
therm/o
heat
70
-osmia
sense of smell
