- Types:
-
buccinator muscle, cheek muscle, musculus buccinator
a muscle that flattens the cheek and retracts the angle of the mouth
-
masseter
a large muscle that raises the lower jaw and is used in chewing
-
platysma
either of two broad muscles located on either side of the neck and innervated by the facial nerve; extends from lower jaw to clavicle and is involved in moving the mouth and jaw