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levator labii superioris (muscle)

 

Definition: facial muscle of upper lip; origin, maxilla below infraorbital foramen; insertion, interspersed with orbicularis oris to reach skin of upper lip; action, elevates upper lip; nerve supply, facial.

Synonym(s): musculus levator labii superiorisTA, caput infraorbitale quadrati labii superioris, elevator muscle of upper lip

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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