Unit VIII - Eye Flashcards Preview

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Flashcards in Unit VIII - Eye Deck (108)
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91

Where are the tarsal glands located?

In each eyelid

92

What kind of glands are tarsal glands?

Modified sebaceous glands

93

What do tarsal glands secrete?

An oily substance that covers tears upon blinking

94

All arteries to the eyeball are branches of what artery?

Ophthalmic artery

95

How many long posterior ciliary arteries are there?

1 on each side (medial and lateral)

96

The long posterior ciliary arteries run between what structures?

Sclera and choroid

97

Which arteries of the eye enter the eyeball on the posterior surface forming a ring around the optic nerve, and how many are there?

Short ciliary arteries (6-12)

98

Which arteries of the eye arch either over or under the eyeball, and how many are there?

Anterior ciliary arteries (6-8 total)

99

What artery is the only artery that supplies the retina?

Central retinal artery

100

The central retinal artery travels to the retina via what structure?

Optic nerve

101

How are the veins involved in the drainage of the eye named?

For the arteries they accompany

102

What part of the trigeminal nerve makes up the nerve supply to the eyeball?

Branches of the nasociliary nerve of the ophthalmic division of the trigeminal nerve

103

What nerves of the eyeball are sensory for the ciliary body, iris, and cornea?

Long ciliary nerves

104

What nerves are sensory for everything besides the ciliary body, iris, and cornea?

Short ciliary nerves

105

Postganglionic sympathetic fibers reach which eye muscles?

Ciliaris and dilator pupillae muscles

106

Postganglionic sympathetic fibers come from what plexus and through what ganglion to reach the ciliaris and dilator pupillae muscles?

Cavernous plexus to the ciliary ganglion

107

Postganglionic parasympathetic fibers reach what muscles of the eye?

Ciliaris and sphincter pupillae muscles

108

Postganglionic parasympathetic fibers travel from what ganglion to reach the ciliaris and sphincter pupillae muscles?

Ciliary ganglion