Levator palpebrae superioris muscle
Levator palpebrae superioris muscle (pronunciation: leh-VAY-tor pal-PEE-bree soo-pee-ree-OH-ris MUH-suhl) is a muscle in the human body that is primarily responsible for the elevation of the upper eyelid.
Etymology
The term "levator palpebrae superioris" is derived from Latin, where "levator" means 'lifter', "palpebrae" refers to 'eyelid', and "superioris" signifies 'upper'. Thus, the term literally translates to 'lifter of the upper eyelid'.
Function
The levator palpebrae superioris is one of the muscles that control the movement of the eyelid. Its main function is to lift the upper eyelid, enabling the eye to open. This muscle is innervated by the oculomotor nerve (cranial nerve III).
Related Terms
- Blepharospasm: An involuntary twitching or contraction of the eyelid muscles, including the levator palpebrae superioris.
- Ptosis: A drooping or falling of the upper eyelid, often due to dysfunction of the levator palpebrae superioris.
- Oculomotor nerve: The nerve that controls the movement of the levator palpebrae superioris and other eye muscles.
See Also
External links
- Medical encyclopedia article on Levator palpebrae superioris muscle
- Wikipedia's article - Levator palpebrae superioris muscle
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