Chapter 17 Flashcards
What is the cornea?
Transparent coat that covers the colored iris
What is a rod ?
Allows us to see dim lights
What are cones?
Brighter lights , producing color vision
What are optic discs?
Site where the optic nerve exits the eyeball
What is another name for the optic disc?
Blind spot
What is fovea centralis?
Small depression in the center of the macula, contains only cones
What is the macula?
Yellow spot center of posterior portion of retina , visual axis of eye
What is the scalera?
The “white” in the eye, layer of dense connective tissue made up of collagen and fibroblasts
What is a choroid?
Posterior portion of vascular layer , lines the internal surface of scalera
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What is the retina?
3rd, and inner layer of eyeball
Which area of the eye contains only cones
Fovea centralis
What are the 6 eye muscles
Superior rectus
Inferior rectus
Lateral rectus
Medial rectus
Superior oblique
Inferior oblique
Pink eye inflames what part of the eye?
conjunctiva
What is a sty?
stye can develop after the small glands that line the eyelid get plugged.
Where are sebaceous glands in the eye?
Tarsal plate
What 3 cranial nerves are involved in Gustation?
the facial nerve (cranial nerve VII)
glossopharyngeal nerve (cranial nerve IX)
vagus nerve (cranial nerve X)
Where do you find olfactory epithelium?
roof of the nasal cavities, part of the nasal septum, and the superior turbinate bones.
NASAL CAVITY
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