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Masseter

Masseter

Elevates and retracts mandible (closes mouth). Located in the head.

Actions
elevates and retracts mandible (closes mouth)
Origin
anterior two-thirds of inferior margin of zygomatic arch and maxilla
Insertion
angle of mandible, masseteric tuberosity of mandible
Innervation
masseteric nerve from mandibular nerve [CNV3]
Blood supply
masseteric artery
Antagonists Platysma

head-faceupper-body