Name
Pronunciation
(di-pres-or lA-bE in-fie-E-or-is)
Origin/Proximal Attachment
Oblique line of mandible between symphysis menti and the mental foramen.
Insertion/Distal Attachment
Into lower lip at midline blending with muscle from other side
Action/Relevance
Draws the lower lip downward and a bit laterally.
Innervation
Mandibular branch of the facial nerve.