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Muscle of Mastication - Coggle Diagram
Muscle of Mastication
Temporalis
INSERTION
Tip and medial surface of coronoid process
anterior border of ramus of mandible
NERVE
CN Ⅴ³ via deep temporal nerve
ACTION
Mandible
Retracts
Elevates
ORIGIN
Deep surface of temporal bone
Masseter
INSERTION
Lateral surface of ramus mandible
angle of mandible
NERVE
CN Ⅴ³ via mandibular nerve
ORIGIN
Zygomatic arch
Inferior border
Medial surface
ACTION
Mandible
Elevates
Protrudes
Medial pterygoid
INSERTION
Medial surface of ramus of mandible
NERVE
CN Ⅴ³ via Medial pterygoid nerve
ORIGIN
Medial surface of Lateral pterygoid plate
Deep head
Tuberosity of maxilla
Superficial head
ACTION
Bilateral
Mandible
Elevates
Protrudes
Unilateral
Mandible
side to side movement
Lateral pterygoid
INSERTION
Neck of mandible
Articular disc
Capsule of TMJ
NERVE
CN Ⅴ³ via Lateral pterygoid nerve
ACTION
Bilateral
Mandible
Depresses
Protrudes
Unilateral
Mandible
side to side movement
ORIGIN
Superior head
Infratemporal surface
Infratemporal crest of greater wing of sphenoid
Inferior head
Lateral surface of Lateral pterygoid plate