Sensory Organs Flashcards
(153 cards)
1
Q
aque/o
A
water
2
Q
blephar/o
A
eyelid
3
Q
conjuctiv/o
A
conjuctiva
4
Q
cor/o
A
pupil
5
Q
corne/o
A
cornea or Kerat/o
6
Q
cycl/o
A
ciliary body or muscle of the eye
7
Q
dacry/o
A
tears, tear duct
8
Q
ir/o, irid/o
A
iris
9
Q
kerat/o
A
cornea
10
Q
lacrim/o
A
tears
11
Q
ocul/o
A
eye
12
Q
ophthalm/o
A
eye
13
Q
opt/o, optic/o
A
eye, vision
14
Q
palpebr/o
A
eyelid
15
Q
papill/o
A
optic disc; nipple like
16
Q
phac/o, phak/o
A
lens of eye
17
Q
pupill/o
A
pupil
18
Q
retin/o
A
retina
19
Q
scler/o
A
sclera
20
Q
uve/o
A
uvea; vascular layer of eye
21
Q
vitre/o
A
glassy
22
Q
ambly/o
A
dull, dim
23
Q
amblyopia
A
is reduction of visual acuity.
24
Q
dipl/o
A
double
25
diplopia
double vison
26
glauc/o
gray
27
glaucoma
mass or collection of fluid in vision
28
mi/o
smaller, less
29
mydr/o
widen; enlarge
30
nyct/o
night
31
nyctalopia
blindness or poor vison at night but good during day
32
phot/o
light
33
photophobia
sensitivity to light
34
presby/o
old age
35
scot/o
darkness
36
xer/o
dry
37
-opia
vision
38
hyperopia
farsightedness
39
-opsia
vision
40
hemianopsia
absence of vision in half of the visual
41
-tropia
to turn
42
esotropia
turning inward of eye
43
exotropia
turning outward of an eye
44
astigmatism
defective curvature of the cornea or lens of the eye.
45
photoreceptor cell responsible for color and central vision located in the retina that transforms light energy into nerve impulses
46
delicate membrane lining the undersurface of the eyelids and covering anterior eyeball
47
region at the back of the eye where optic nerve meets the retina
macula?
48
yellowish region in the retina; contains the fovea centralis
49
pigmented layer that opens and closes to allow more or less light into the eye
50
hyperopia
farsightedness
51
myopia
nearsightedness
52
presbyopia
impairment of vision as a result of old age
53
cataract
clouding of the lens, causing decreased vision
54
chalazion
small, hard, cystic mass on the eyelid
55
diabetic retinopathy
retinal effects of diabetes mellitus
56
occurs when fluid leaks from blood vessels into the retina and vision is blurred
macular edema
57
fluid leaking from the blood
exudates
58
increased intraocular pressure results in damage to the retina and optic nerve with loss of vision
glaucoma
58
increased intraocular pressure results in damage to the retina and optic nerve with loss of vision
glaucoma
59
hordeolum
localized, purulent, inflammatory staphylococcal infection of the sebaceous oil-producing gland in the eyelid
60
progressive damage to the macula of the retina
macular degeneration
61
repetitive rhythmic movements of one or both eyes
nystagmus
62
two layer of the retina separate from each other
retinal detachment
63
photopsia
bright flashes of lights
64
black spots or filmy shapes
floaters
65
abnormal deviation of the eye
stabismus
66
blepharitis
inflammation of eyelid, causing redness, crusting, swelling along lid margins
67
dacryocystitis
blockage, inflammation, and infection of the nasolacrimal duct that causes redness and swelling in the region between nose and lower lid
68
xanthelasma
raised yellowish plaque on eyelid caused by lipid disorder
69
fluroscein angiography
intravenous injection of fluorescein (dye) followed by serial photographs of the retina via dilated pupils.
70
ophthalmoscopy
visual examination of the interior of the eye
71
examination of anterior ocular structures under microscopic magnification
slit lamp microscopy
72
clarity of vision is assessed
visual acuity test
73
snellen chart
distance vision test
74
visual filed test
measurement of the entire scope of vision
75
enucleation
removal of entire eyeball
76
keratoplasty
surgical repair of the cornea
77
intense, focused light beam creates inflammatory reaction that seals retinal tears and leaky retinal blood vessels
laser photocoagulation
78
use of excimer laser to correct errors of refraction
Lasik
79
ultrasonic vibrations break up the lens; the pieces then aspirated via ultrasonic probe
phacoemulsification
80
suture of a silicone band to the sclera over a detached portion of the retina
scleral buckle
81
removal of vitreous humor
vitrectomy
82
What are the three regions of the ear?
outer ear, middle, and inner ear
83
Which two ear regions function in the conduction of sound waves via the ear?
out and middle ear
84
Which ear region receives the auditory waves and relays them to the brain?
inner ear
85
Where do sound waves enter the ear?
Auricle or Pinna
86
another name of auditory canal
external auditory meatus
87
Yellow brown, waxy substance
cerumen
88
What does cerumen do
lubricates and protects ear canal
89
What does soundwaves strick after traveling via the audiotory canal
tympanic membrane or eardrum
90
three small bones
ossicles
91
what conducts sound waves in the middle ear
ossicles
92
canal leading from middle ear to pharynx
eustachian tubes
93
What does the eustachian tube do when swallowing
opens
94
Why does the eustachian tube open during swallowing
to prevent damage to the eardrum and shock to the middle and inner ear
95
What is the inner ear called
labyrinth due to circle maze like structure
96
bony snail shell shape
cochlea
97
What organ contains tiny, hair cells that received vibrations
organ of corti
98
Voc - channel that leads from pinna to eardrum
auditory canal
99
Voc- auditory canal
auditory meatus
100
Carries impulses from inner ear to brain
auditory nerve fibers
101
channel between middle ear and nasopharynx
auditory tube
102
auricle
flap of the ear or external ear
103
waxy substances secreted by external ear
cerumen
104
fluid within labyrinth of inner ear
endolymph
105
auditory tube
eustachian tube
106
small bone of ear
ossicle
107
fluid in labyrinth of inner ear
perilymph
108
Acous/o
hearing
109
audi/o
hearing, the sense of hearing
110
audi/o
hearing
111
aur/o, auricul/o
ear
112
audiologist
health care proff specializes in evaluation of people with hearing loss
113
cochle/o
cochlea
114
mastoid/o
mastoid process
115
myring/o
eardrum, tympanic membrane
116
ossicul/o
ossicle
117
ot/o
ear
118
salping/o
eustachian tube, auditory tube
119
staped/o
stapes
120
tympan/o
eardrum, tympanic membrane
121
vestibul/o
vestibule
122
-acusis or -cusis
hearing
123
hypercusis
abnormal acute sensitivity to sounds
124
presbycusis
nerve deafness occurs with aging
125
-meter
instrument ot measure
126
-otia
ear condition
127
macrotia
abnormally large ears
128
audiogram
record produced when individual's hearing is tested by audiometry
129
acoustic neuroma
benign tumor from acoustic vestibulocochlear nerve in brain
130
cholesteatoma
collection of skin cells and cholesterol in sac of middle ear
131
deafness
loss of ability to hear
132
meniere disease
disoder fo labyrinth of inner ear
133
otitis media
inflammation of inner ear
134
acute otitis media
infection of middle ear after URI.
135
otosclerosis
hardening of bony tissues of middle ear
136
tinnitus
sensation of noises in ear
137
vertigo
sensation of irregular or whirling motion either of oneself of external objects
138
audiometry
testing the sense of hearing
139
cochlear implant procedure
surgical insertion of a device that allows sensorineural hearing impaired persons to understand speech
140
ear thermometry
measurement of the temperature of the tympanic membrane by detection of infrared radiation from eardrum
141
otoscopy
visual examinaiton of the ear canal with otoscope
142
tuning fork test
test of ear conduction using a vibration source
143
tough white outer layer of eyeball
sclera
144
colored portion of the eye surrounds pupil
iris
145
fibrous layer of clear tissue that extends over anterior portion of eyeball
cornea
146
delicate membrane lining eyelids and covers anterior eyeball
conjunctiva
147
vascular layer of eyeball that continous with iris
choroid
148
open center of iris through which light rays enter
pupil
149
jelly like material behind lens that helps maintain shape of eyeball
vitreous humor
150
transparent structure behind iris and in front of vitreous humor; refracts light rays onto retina
lens
151
contains muscles that control shape of lens and secretes aqueous humor
ciliary body
152
sensitive cells called rods and coens that transform light energy into nerve impulses
retina
