Chapter 17 Flashcards

1
Q

What is the cornea?

A

Transparent coat that covers the colored iris

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2
Q

What is a rod ?

A

Allows us to see dim lights

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3
Q

What are cones?

A

Brighter lights , producing color vision

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4
Q

What are optic discs?

A

Site where the optic nerve exits the eyeball

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5
Q

What is another name for the optic disc?

A

Blind spot

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6
Q

What is fovea centralis?

A

Small depression in the center of the macula, contains only cones

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7
Q

What is the macula?

A

Yellow spot center of posterior portion of retina , visual axis of eye

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8
Q

What is the scalera?

A

The “white” in the eye, layer of dense connective tissue made up of collagen and fibroblasts

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9
Q

What is a choroid?

A

Posterior portion of vascular layer , lines the internal surface of scalera

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10
Q

Study

A

Study

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11
Q

Study

A

Study

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12
Q

What is the retina?

A

3rd, and inner layer of eyeball

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13
Q

Which area of the eye contains only cones

A

Fovea centralis

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14
Q

What are the 6 eye muscles

A

Superior rectus
Inferior rectus
Lateral rectus
Medial rectus
Superior oblique
Inferior oblique

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15
Q

Pink eye inflames what part of the eye?

A

conjunctiva

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16
Q

What is a sty?

A

stye can develop after the small glands that line the eyelid get plugged.

17
Q

Where are sebaceous glands in the eye?

A

Tarsal plate

18
Q

What 3 cranial nerves are involved in Gustation?

A

the facial nerve (cranial nerve VII)

glossopharyngeal nerve (cranial nerve IX)

vagus nerve (cranial nerve X)

19
Q

Where do you find olfactory epithelium?

A

roof of the nasal cavities, part of the nasal septum, and the superior turbinate bones.

NASAL CAVITY

20
Q

Study

A

Pic

21
Q

Study

A

Pic

22
Q

Pic

A

Pic

23
Q

Pic

A

Pic