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Questions and Answers
Which structure is a small fleshy, epidermoid structure attached to the inner portion of the plica semilunaris?
Which structure is a small fleshy, epidermoid structure attached to the inner portion of the plica semilunaris?
- Caruncle (correct)
- Plica semilunaris
- Canthus
- Palpebral fissure
What is the opening between the upper and lower eyelids called?
What is the opening between the upper and lower eyelids called?
- Canthus
- Palpebral fissure (correct)
- Caruncle
- Plica semilunaris
Where are the tear duct openings easily seen on the eyelid?
Where are the tear duct openings easily seen on the eyelid?
- Medial canthus
- Lateral canthus
- Plica semilunaris
- Upper and lower lid margins (correct)
Which muscle is responsible for closing the eyelids?
Which muscle is responsible for closing the eyelids?
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Which muscle is responsible for lifting the upper eyelid?
Which muscle is responsible for lifting the upper eyelid?
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Study Notes
Eyelid Anatomy
- A small fleshy, epidermoid structure attached to the inner portion of the plica semilunaris is a caruncle.
Eyelid Openings
- The opening between the upper and lower eyelids is called the palpebral fissure.
Tear Duct Openings
- Tear duct openings are easily seen on the eyelid near the medial canthus.
Eyelid Muscles
- The orbicularis oculi muscle is responsible for closing the eyelids.
- The levator palpebrae superioris muscle is responsible for lifting the upper eyelid.
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Description
Test your knowledge of ophthalmology with this quiz! Explore the anatomy of the eyelids, including the palpebral fissure and canthus. Discover fascinating insights into the design of the human eye.
