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Anatomy > The Eye Parts > Flashcards

The Eye Parts Flashcards

1
Q

Conjunctiva what

A

mucous membrane found at edge of iris/under eyelid

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2
Q

Conjunctiva fx

A

Produces mucous to lubricate the eye

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3
Q

Ciliary Body what

A

Smooth muscle with Melanin (brown pigment)

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4
Q

Ciliary body fx

A

absorb some light, controls shape of lens

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5
Q

ciliary body tidbit

A

melanoctyes can become cancerous

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6
Q

suspensory ligaments what

A

ligaments from ciliary body to the lens

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7
Q

suspensory ligaments fx

A

change the shape of the lens to allow you to focus

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8
Q

suspensory ligaments tidbit

A

as you age, it loses elasticity..can’t adjust which makes you far sighted

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9
Q

Iris what

A

colored part of the eye, two layers of elastic fibers, contains melanin

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10
Q

iris fx

A

prevents light from entering eye

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11
Q

iris tidbit

A

spot on the eye is a birth mark, different color eyes can be due to genes or an injury

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12
Q

Aqueous Humor what

A

clear and watery fluid in front of the eye

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13
Q

aqueous humor fx

A

maintain shape, provide nutrients/oxygen, eliminates waste

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14
Q

aqueous humor tidbit

A

constantly being made

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15
Q

lens what

A

dense connective tissue shaped like a skittle

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16
Q

lens fx

A

focuses light onto the retina

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17
Q

lens tidbit

A

can be off center-marfan syndrome

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18
Q

pupil what

A

hole in the eye

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19
Q

pupil fx

A

regulates light that enters the eye

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20
Q

pupil tidbit (Looks)

A

offcenter: genetic, multiple: genetic, keyhole: genetic/mutation

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21
Q

pupil tidbit (emotions)

A

Based on emotion, dilate: interested, problem solving, constrict: bored

22
Q

Cornea what

A

outer, transparent covering

23
Q

Cornea fx

A

keep things in/out

24
Q

cornea tidbit

A

Quick healing, can absorb aqueous humor (when you’re burned, injured, or die), you will get an ulcer on it if you leave in contacts too long

25
Q

Canal of Schlem what

A

tiny canal in the eye

26
Q

Canal of schlem fx

A

drainage of toxins/aqueous humor

27
Q

cana of schlem tidbit

A

eye boogers

28
Q

canal of petit what

A

tiny canal

29
Q

canal of petit fx

A

regulates air pressure

30
Q

canal of petit tidbit

A

can shoot milk/air out of canal

31
Q

vitreous humor what

A

glass, jelly like fluid

32
Q

vitreous humor fx

A

maintains shape, nourishes eye, absorb stray light

33
Q

vitreous humor tidbit

A

tiny pieces of vitreous humor that become dislodged

34
Q

optic disk what

A

area where optic nerve exits the eye, has no rods/cones

35
Q

optic disk fx

A

blind spot

36
Q

optic disk tidbit

A

blind spot can be increased/induced with illness/injury

37
Q

optic nerve what

A

nerve from eye to brain

38
Q

optic nerve fx

A

Conveys impulse from eye to the occipital lobe

39
Q

optic nerve tidbit

A

can be stretched

40
Q

fovea what

A

area of the retina

41
Q

fovea fx

A

where image is focused

42
Q

fovea centralis what

A

center of the fovea, highest # of rods/cones (light receptors)

43
Q

fovea centralis fx

A

simplest focus

44
Q

sclera what

A

outer layer in the eyes, white, dense connective tissue, contains vessels

45
Q

sclera fx

A

protection, reflects light

46
Q

choroid what

A

middle layer, black pigment/vessels, contains to pupil

47
Q

choroid fx

A

controls size of pupil, absorbs stray light, supplies oxygen/nutrients

48
Q

retina what

A

inner layer, contains light receptors rods/cones

49
Q

retina fx

A

rods-dim light, cones bright light/color

50
Q

retina tidbit

A

dogs: less cones, humans: red, blue green cones, if you are missing cones, you are color blind you are missing cones, women can have extra cone.

Anatomy (5 decks)

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