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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
Q

extrinsic muscles

A

muscles responsible for moving the eye within the orbital socket

26
Q

rhinitis

A

inflammation of the lining of the nose

27
Q

rods

A

cells in the retina; they are sensitive to dim light

28
Q

sclera

A

tough, white covering; part of the external coat of the eye

29
Q

semicircular canals

A

structures in the inner ear, involved with equilibrium

30
Q

stirrup (stapes)

A

a tiny stirrup shaped bone in the inner ear

31
Q

sty (hordeolum)

A

infection of the gland along the eyelid

32
Q

suspensory ligaments

A

the ligaments that hold the lens of the eye in place

33
Q

tinnitus

A

ringing sensation in one or both ears

34
Q

tympanic membrane

A

membrane that separates the external ear from the middle ear

35
Q

umami

A

one of the five basic tastes; savory taste

36
Q

amblyopia

A

dimness of vision

37
Q

anterior chamber

A

space between cornea and iris

38
Q

presbycusis

A

a condition that causes deafness due to the aging process

39
Q

presbyopia

A

farsightedness of advanced age due to loss of elasticity in the lens of the eye

40
Q

pupil

A

opening i the iris of the eye for passage of light

41
Q

retina

A

innermost layer of the eye; contains the rods and cones

42
Q

nasal polyp

A

an abnormal growth that occurs in the sinus cavity

43
Q

optic disc (blind spot)

A

an area of the eye devoid of visual reception

44
Q

organ of Corti

A

hearing organ

45
Q

otitis media

A

an infection of the middle ear

46
Q

oval window

A

the membrane that separates the middle ear from the inner ear

47
Q

posterior chamber

A

chamber of the eye filled with vitreous humor

48
Q

vertigo

A

sensation of dizziness

49
Q

vitreous humor

A

transparent, gelatin like substance filling the greater part of the eyeball

50
Q

accommodation

A

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
Q

cerumen

A

a waxy or oily substance produced by ceruminous (sebaceous) glands in the lining of the outer ear; also known as ear wax

52
Q

detached retina

A

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
Q

deviated nasal septum

A

condition in which there is a bend in the cartilage structure of the septum

54
Q

hyperopia

A

a condition in which the focal point is beyond the retina; the eyeball is shorter than normal; farsightedness

55
Q

intrinsic muscles

A

muscles that help the iris control the amount of light entering the pupil

56
Q

macular degeneration

A

thinning of the retinal layer of the eye or leakage that can develop under the retina, disturbing sharp central vision

57
Q

Meniere’s disease

A

condition affecting the semicircular canals of the inner ear causing marked vertigo (dizziness)

58
Q

myopia

A

condition in which the focal point is in front of the retina; nearsightedness

59
Q

night blindness

A

a condition that makes it difficult to see at night, the rod cells in the retina are affected in this condition

60
Q

otosclerosis

A

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
Q

strabismus

A

condition in which the muscles of the eyeballs do not coordinate their action; crossed eyes

62
Q

nasal polyps

A

an abnormal growth that occurs in the sinus cavity

Anatomy and Physiology (19 decks)

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