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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

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.