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24 Cards in this Set
- Front
- Back
Anteriorly, the eyes are protected by the _______, which meet at the lateral and medial corners of the eye
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EYELIDS
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Medial and lateral corners of the eye.
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medial canthus, lateral canthus
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Hair projections from the eyelids
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eyelashes
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modified sebaceous glands associated with the eyelid edges
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tarsal glands
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delicate membrane that lines the eyelids and covers part of the outer surface of the eyeball
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conjuctive
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3 general senses of touch
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1. temperature
2. pressure 3. pain |
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5 special senses
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1. smell
2. taste 3. sight 4. hearing 5. equilibrium |
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__% of all sensory receptors are in the eyes
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70
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Each eye has over a _______ nerve fibers
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million
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The adult eye is a sphere that measures about __ inch(es)
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one
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________ glands-- modified sebacious glands that produce an oily secretion to lubricate the eye
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tarsal, or Meibnomian
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______ glands-- modified sweat glands between the eyelashes
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Ciliary
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-membrane that lines the eyelids
-connects to the surface of the eye -secretes mucus to lubricate |
Conjuctiva
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-part of the lacrimal apparatus
-produces lacrimal fluid |
Lacrimal fluid
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-part of lacrimal apparatus
-drains lacrimal fluid from eyes |
Lacrimal canals
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- part of lacrimal apparatus
- provides passage of lacrimal fluid towards nasal cavity |
Lacrimal sac
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-part of the lacrimal apparatus
-empties lacrimal fluid into the nasal cavity |
Nasolacrimal duct
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-dilute salt secretion that contains antibodies and lysozyme(an enzyme that destroys bacteria)
-cleanses, protects, lubricates, and moistens |
Lacrimal secretion
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Muscle that moves eye laterally (controlled by VI nerve)
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Lateral rectus
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Muscle that moves eye medially (controlled by III nerve)
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Medial rectus
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Muscle that elevates eye (controlled by III nerve)
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Superior rectus
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Muscle that depresses eye (controlled by III)
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Inferior rectus
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Muscle that elevates eye and turns it laterally (controlled by III nerve)
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Inferior oblique
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muscle that depresses eye and turns it away laterally (controlled by IV nerve)
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Superior oblique
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