depressor anguli oris (muscle)

(redirected from musculus triangularis labii inferioris)

de·pres·sor an·gu·li o·ris (mus·cle)

facial muscle of mouth; origin, anterolateral base of mandible anteriorly; insertion, blends with other muscles in lower lip near angle of mouth; action, pulls down corners of mouth; nerve supply, facial.
Farlex Partner Medical Dictionary © Farlex 2012
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