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Anatomy > Eye > Flashcards

Eye Flashcards

1
Q

associated structures

eyebrows

A

prevents sweat from dripping into the eye

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2
Q

associated structures

palpebrae ( eyelids)

A

moisten and protect

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3
Q

associated structures

levator palpebrae superioris

A

elevates upper eyelid

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4
Q

associated structures

eyelashes

A

prevent large particles from contacting the surface of the eye

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5
Q

associated structures

conjunctiva

A

startifed columar with goblet cells; secrets mucus

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6
Q

associated structures

palpebral

A

on the back of the eye lid

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7
Q

associated structures

bulbar occular

A

on the surface of the eye

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8
Q

associated structures

lacrimal apparatus (gland)

A

makes tears, tears contain mucus and antibodies called lysozymes

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9
Q

associated structures

puncta

A

corner of the eye

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10
Q

associated structures

what is the flow of tears

A

1) enter 2 small openings the lacrimal and puncta
2) tears then go into lacrimal canals canaliculi
3) then into lacrimal sac inbetween corner and nose
4) finally into nasolacrimal duct

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11
Q

extrinsic eye muscle

superior rectus

A

moves superiorly, medially,

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12
Q

extrinsic eye muscle

lateral rectus

A

lateral movements

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13
Q

extrinsic eye muscle

medial rectus

A

medial movements

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14
Q

extrinsic eye muscle

inferior rectus

A

moves eye inferiorly

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15
Q

extrinsic eye muscle

superior oblique

A

moves eye inferiorly and laterally

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16
Q

extrinsic eye muscle

inferior oblique

A

moves eye superiorly and laterally

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17
Q

Structure: Tunics

fibrous tunic

A

outermost layer, avascular

18
Q

Structure: Tunics

sclera

A

5/6 of the eye nontransparent, the white of the eye

19
Q

Structure: Tunics

cornea

A

anterior 1/6 transparent

20
Q

Structure: Tunics

Vascular tunics

A

uvea, middle layer, vascular

21
Q

Structure: Tunics

choroid

A

posterior 2/3 of they eye, vascular, and pigmeted

nourshies retina and scleara by diffision

22
Q

Structure: Tunics

ciliary muscle

A

intrinsic muscler which is attached to the lens by suspensory ligaments

23
Q

Structure

lens

A

not apart of the uvea biconvex, transparent, flexible structure that can chnage shape for the focusing of light on retina

24
Q

Structure

cillary process

A

contains capillaries that secret aqueous humor

25
Q

Structure

iris

A

anterior portion “colored donut”

26
Q

Structure

sphinceter pupillae

A

constricts pupil

27
Q

Structure

dilator pupillae

A

dialates pupil

28
Q

Structure

retina

A

the brain to perceive a visual picture

29
Q

Structure

pigmented layer

A

outer layer that has no photoreceptors

30
Q

Structure

neural layer

A

inner layer composed of phtorecpetors and associated neurons

31
Q

Structure

rods

A

black and white vision and reaponds to low intensity light (night)

32
Q

Structure

cones

A

for color vision and responds to high intensity light (daylight)

33
Q

Structure

what is lateral to the blind spot?

A

macula lutea with a minute pit in its center called fovea centrialis

34
Q

structure

what does the fovea contain?

A

only cones

35
Q

Structure: Internal spaces

posterior cavity

A

from lens to retina contains vitreous humor

36
Q

Structure: Internal spaces

anterior cavity

A

from lens to cornea; filled with aqeous humor

37
Q

Structure: Internal spaces

posterior chmaber

A

from lens to iris

38
Q

Structure: Internal spaces

anterior chamber

A

from iris to cornea

39
Q

Structure: Internal spaces

What is the posterior and anterior chmaber seperated by?

A

the iris

40
Q

What makes up the fibrous Tunic

A

Sclera and cornea

41
Q

What makes up the vascular tunic

A

Uvea, choroid, ciliary body, iris

42
Q

What makes up the retina?

A

Pigmented layer, neural layer, rods, and cones

Anatomy (5 decks)

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