levator anguli oris
noun
levator an·gu·li oris
| \ -ˈaŋ-gyə-ˌlī-ˈȯr-əs
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Medical Definition of levator anguli oris
: a facial muscle that arises from the maxilla, inclines downward to be inserted into the corner of the mouth, and draws the lips up and back
— called also caninus