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Anatomy And Physiology > Eye > Flashcards

Eye Flashcards

1
Q

Nasolacrimal duct

A

Tears drain into

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2
Q

Lateral rectus

A

Moves eye laterally

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3
Q

Medial rectus

A

Moves eye medially

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4
Q

Superior rectus

A

Lifts eye and moves medially

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5
Q

Inferior rectus

A

Depresses eye and moves medially

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6
Q

Inferior oblique

A

Lifts eye and moves laterally

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7
Q

Superior oblique

A

Depresses eye and move laterally

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8
Q

Rectus

A

Straight

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9
Q

Oblique

A

Angled

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10
Q

Fibrous tunics

A

Connective tissue white or clear
outer layer
Sclera or cornea

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11
Q

Vascular tunics

A

Middle layer
Pigmented membrane with blood vessels and muscles
Choroid, ciliary body , iris and lens

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12
Q

Sensory tunic

A

Inner
Mainly nerve cells yellowish
Retina consisting of rods and cones photoreceptors p

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13
Q

Sclera

A

White of eye
Tough and fibrous
Anchor eye muscle
Protects and shapes eyeballs

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14
Q

Cornea

A

Transparent

Major part of light bending function of eye

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15
Q

Choroid

A

Higher vascular far brown membrane

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16
Q

Ciliary body

A

Ring of smooth muscles around lens that control its shape

17
Q

Iris

A

Visible colored part of eye

18
Q

Pupil

A

Allows light to enter eyes

19
Q

Putin nerve

A

Sense never impulses

20
Q

Optic disc

A

Where optic nerve exists

No Rods or cone so blind spot

21
Q

Macula lutea

A

Most cones

22
Q

Fovea centralis

A

Only cones

Sharpest and clearest vision

23
Q

Anterior segment

A

In front of lens filled with aqueous humor

24
Q

Posterior segment

A

Behind lens with vitreous humor ( gel like)

25
Q

Normal vision

A

Emmetropia

26
Q

Near sightedness

A

Myopia. Eye ball too long

27
Q

Far sighted

A

Hyperopia.

Eyeball being too short

28
Q

Lacrimal glad

A

Secretes tears which moisture in the eye

Anatomy And Physiology (4 decks)

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