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Questions and Answers
Which of the following structures are NOT found in the orbits?
Which of the following structures are NOT found in the orbits?
- Muscles
- Nerves
- Lacrimal apparatus (correct)
- Eyeballs
What is the function of the eyelids?
What is the function of the eyelids?
- To provide lubrication to the eye
- To protect the eye from injury and excessive light (correct)
- To produce tears
- To control the movement of the eyeball
Which eyelid is larger and more mobile?
Which eyelid is larger and more mobile?
- It depends on the individual
- Lower eyelid
- Upper eyelid (correct)
- They are both the same size
What is the purpose of the palpebral fissure?
What is the purpose of the palpebral fissure?
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Where are the sebaceous glands (glands of Zeis) located?
Where are the sebaceous glands (glands of Zeis) located?
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Study Notes
Eye Structures
- The lacrimal gland and the eyeball itself are found in the orbits.
Eyelid Functions
- The function of the eyelids is to protect the eye by closing and opening.
Eyelid Size and Mobility
- The upper eyelid is larger and more mobile than the lower eyelid.
Palpebral Fissure
- The palpebral fissure, or the opening between the eyelids, allows the eye to open and close.
Sebaceous Glands
- The sebaceous glands (glands of Zeis) are located along the edges of the eyelids.
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Description
Test your knowledge on the anatomy of the orbital region and eyelids. This quiz covers the bony cavities, muscles, nerves, vessels, and fat found in the orbits, as well as the functions and features of the protective eyelids.
