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Anatomy and Physiology > Lesson 9 > Flashcards

Lesson 9 Flashcards

1
Q

eyestrain

A

discomfort when viewing something

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2
Q

fovea centralis

A

structure of the eye in the retina, that contains the cones for color vision

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3
Q

glaucoma

A

increase in interocular eye pressure

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4
Q

hammer (maleus)

A

a tiny bone found in the middle ear

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5
Q

iris

A

colored muscular layer surrounding the pupil of the eye

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6
Q

lens

A

crystal structure for refraction of light rays

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7
Q

macula lutea

A

a yellow disc in the retina in which the fovea centralis is located

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8
Q

miotic

A

pertaining to or causing contraction of the pupil

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9
Q

myringotomy

A

opening to the tympanic membrane

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10
Q

anvil (incus)

A

middle ear bone or ossicle in a chain of three ossicles in the middle ear

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11
Q

aqueous humor

A

watery fluid found in anterior chamber of the eye

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12
Q

astigmatism

A

irregular curvature of cornea or lens

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13
Q

auricle

A

pinna, or ear flap, of external ear; also atrium of the heart

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14
Q

cataract

A

condition in which the eye lens becomes opaque

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15
Q

choroid coat

A

the middle layer of the eye

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16
Q

ciliary body

A

ligaments that suspend the eye

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17
Q

cochlea

A

spiral cavity of the internal ear containing the organ of corti

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18
Q

cochlear duct

A

an endolymph-filled triangular canal containing the spiral organ of corti

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19
Q

color blindness

A

inability to distinguish colors

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20
Q

cones

A

structures in the retina of the eye sensitive to bright lights and responsible for color vision

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21
Q

conjunctivitis

A

an inflammation of conjuctival membranes in the front of the eye

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22
Q

cornea

A

a clear circular area in the very front of the sclerotic coat

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23
Q

diplopia

A

double vision

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24
Q

eustachian tube

A

passageway from throat to middle ear; equalizes pressure

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25
extrinsic muscles
muscles responsible for moving the eye within the orbital socket
26
rhinitis
inflammation of the lining of the nose
27
rods
cells in the retina; they are sensitive to dim light
28
sclera
tough, white covering; part of the external coat of the eye
29
semicircular canals
structures in the inner ear, involved with equilibrium
30
stirrup (stapes)
a tiny stirrup shaped bone in the inner ear
31
sty (hordeolum)
infection of the gland along the eyelid
32
suspensory ligaments
the ligaments that hold the lens of the eye in place
33
tinnitus
ringing sensation in one or both ears
34
tympanic membrane
membrane that separates the external ear from the middle ear
35
umami
one of the five basic tastes; savory taste
36
amblyopia
dimness of vision
37
anterior chamber
space between cornea and iris
38
presbycusis
a condition that causes deafness due to the aging process
39
presbyopia
farsightedness of advanced age due to loss of elasticity in the lens of the eye
40
pupil
opening i the iris of the eye for passage of light
41
retina
innermost layer of the eye; contains the rods and cones
42
nasal polyp
an abnormal growth that occurs in the sinus cavity
43
optic disc (blind spot)
an area of the eye devoid of visual reception
44
organ of Corti
hearing organ
45
otitis media
an infection of the middle ear
46
oval window
the membrane that separates the middle ear from the inner ear
47
posterior chamber
chamber of the eye filled with vitreous humor
48
vertigo
sensation of dizziness
49
vitreous humor
transparent, gelatin like substance filling the greater part of the eyeball
50
accommodation
as it applies to vision, the process by which the ciliary muscle of the eye controls the shape of the lens for vision at near and far distances
51
cerumen
a waxy or oily substance produced by ceruminous (sebaceous) glands in the lining of the outer ear; also known as ear wax
52
detached retina
condition that results when the vitreous fluid contracts as it ages, pulling on the retina and causing a tear; detachment of the retina may also occur as the result of an injury
53
deviated nasal septum
condition in which there is a bend in the cartilage structure of the septum
54
hyperopia
a condition in which the focal point is beyond the retina; the eyeball is shorter than normal; farsightedness
55
intrinsic muscles
muscles that help the iris control the amount of light entering the pupil
56
macular degeneration
thinning of the retinal layer of the eye or leakage that can develop under the retina, disturbing sharp central vision
57
Meniere's disease
condition affecting the semicircular canals of the inner ear causing marked vertigo (dizziness)
58
myopia
condition in which the focal point is in front of the retina; nearsightedness
59
night blindness
a condition that makes it difficult to see at night, the rod cells in the retina are affected in this condition
60
otosclerosis
chronic, progressive ear disorder in which the bone in the region of the oval window first becomes spongy and then hardened, causing the stirrup or stapes to become fixed or immobile
61
strabismus
condition in which the muscles of the eyeballs do not coordinate their action; crossed eyes
62
nasal polyps
an abnormal growth that occurs in the sinus cavity

Anatomy and Physiology (19 decks)

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