Medical

depressor anguli oris muscle

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de·pres·sor an·gu·li o·ris mus·cle

(dĕ-pres'ŏr ang'yū-lī ōr'is mŭs'ĕl)
Origin, lower border of mandible anteriorly; insertion, blends with other muscles in lower lip near angle of mouth; action, pulls down corners of mouth; nerve supply, facial.
Synonym(s): musculus depressor anguli oris [TA] , triangular muscle (2) .
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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