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Anatomy and Physiology > The Eye > Flashcards

The Eye Flashcards

1
Q

Posterior five sixths of middle or vascular tunic loosely joined to sclera

A

Choroid coat

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2
Q

White part of outer tunic

A

Sclera

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3
Q

Transparent anterior portion of outer tunic

A

Cornea

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4
Q

Inner lining of eyelid

A

Conjunctiva

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5
Q

Secretes tears

A

Lacrimal gland

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6
Q

Empties into nasal cavity

A

Nasolacrimal duct

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7
Q

Fills posterior cavity of eye

A

Vitreous humor

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8
Q

Area where optic nerve originates

A

Optic disk

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9
Q

Smooth muscle that controls light intensity

A

Iris

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10
Q

Fills anterior and posterior chambers of the anterior cavity of the eye

A

Aqueous humor

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11
Q

Contains visual receptors called rods and cones

A

Retina

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12
Q

Connects lens to ciliary body

A

Suspensory ligament

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13
Q

Causes lens to change shape

A

Ciliary muscle

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14
Q

Antibacterial agent in tears

A

Lysozyme

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15
Q

Pupil

A

Opening that allows light into the interior of the eye

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16
Q

Iris

A

Controls the diameters of the pupil and how much light enters the eye

17
Q

Sclera

A

The sclera provides support and protection

18
Q

Ocular muscles

A

Rotate and aim the eye for directed vision

19
Q

Optic nerve

A

Conducts impulses from the retina to the brain

20
Q

Anterior chamber

A

Space between cornea and the iris. Contains a clear, watery fluid called aqueous humor.

21
Q

Inner chamber

A

Space between lens and retina. Filled with vitreous humor.

22
Q

Lens

A

Bends light rays to focus them on the retina. Is able to change shape.

23
Q

Ciliary muscle

A

Control and alter the shape of the lens . Connected to the lens by suspensory ligaments. Secrets aqueous humor.

24
Q

Vitreous humor

A

Colorless and transparent jelly like material that is under pressure to maintain the shape of the eyes interior.

25
Q

Choroid layer

A

Middle membrane that is rich in blood vessels. Darkly pigmented to block light from reflecting back into the retina.

Anatomy and Physiology (12 decks)

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