EYE Flashcards

1
Q

What is the space inside the skull where the eye sits?

A

orbit

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2
Q

Why do carnivores have an incomplete orbit bone wall?

A

To allow wide mouth opening

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3
Q

Name the extraocular muscles:

A

1: dorsal rectus
2: lateral rectus
3: ventral rectus
4: medial rectus
5: dorsal oblique
6: ventral oblique

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4
Q

Which extraocular muscle was not listed in the 6 above?

A

retractor bulbi muscle

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5
Q

Extraocular muscles attach to which part of the eye?

A

sclera

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6
Q

Which muscle opens the eyelid?

A

levator palpebrae superioris

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7
Q

Which muscle closes the eyelid?

A

orbicularis oculi

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8
Q

___________ gland openings are visible along the eyelid margin

A

meibomian

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9
Q

The tear film that protects the eye is produced by the __________ system

A

lacrimal

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10
Q

the “third eyelid” is also known as:

A

nictitating membrane

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11
Q

What is the junction between the cornea & sclera called?

A

limbus

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12
Q

Which layer of the eye provides shape & protection against force?

A

sclera

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13
Q

What is another term for the vascular tunic?

A

uvea

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14
Q

What part of the eye produces aqueous humor?

A

ciliary body

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15
Q

Where does the aqueous humor drain?

A

iridocorneal angle at the periphery of the iris

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16
Q

cataracts are caused by disruptions to the lens __________ arrangement

A

fibre

17
Q

Which of the following is a thick gel: aqueous humor or vitreous humor?

A

vitreous humor

(aqueous is water-like)

18
Q

Which part of the eye contains rods, cones, bipolar & ganglion cells?

A

retina

19
Q

What layer is between the retina & choroid?

A

retinal pigmented epithelium

20
Q

Which of these histological layers contains a tapetum?

A

right

21
Q

What is the name for the “back of the eye”?

A

fundus

22
Q

What substance fills the majority of the eye (from behind the lens)

A

vitreous humor