Medical Definition of Musculus quadratus labii inferioris
1.
Origin, anterior portion of lower border of mandible; insertion, orbicularis oris musculus and skin of lower lip; action, depresses lower lip; nerve supply, facial.
Synonym: musculus depressor labii inferioris, depressor muscle of lower lip, musculus quadratus labii inferioris, musculus quadratus menti.
(05 Mar 2000)
Lexicographical Neighbors of Musculus Quadratus Labii Inferioris
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