Name
Pronunciation
(buc-ci-na-tor )
Origin/Proximal Attachment
Alveolar processes of mandible and maxilla opposite upper and lower molar teeth; posteriorly, it arises from the pterygomandibular raphe opposite superior constrictor
Insertion/Distal Attachment
Fibers course forward to blend into the formation of the orbicularis oris, decussating at the angles of the mouth
Action/Relevance
Compresses the cheeks during chewing; also compresses the distended cheeks as in blowing up a balloon.
Innervation
Buccal branch of the facial nerve.