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4 Cards in this Set
- Front
- Back
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Origin(anchor): Zygomatic Arch (cheekbone) Insertion(movable part): outer surface of mandible Function: elevate the mandible
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Masseter |
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Origin(anchor)-Temporal Fossa (temple) Insertion(movable part)-Caronoid Process (and the mandible posterior to 3rd molars) Function: Retract and elevate the mandible |
Temporalis |
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Origin(anchor)- medial surface of the lateral Pterygoid plate (sphenoid bone) and Maxillary Tuberosity Insertion(movable part)- inner surface of the mandible Function: Elevate and protrude the mandible |
Medial Pterygoid |
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Origin(anchor)-Lateral surface of the Lateral Pterygoid plate (sphenoid bone) and the infratemporal surface of the sphenoid bone Insertion(movable part)- TMJ disc and neck of the mandibular condyle Function:Protrude and/or depress (opening) the mandible(working with hyoid muscles) and allow the side to side (lateral) shift of the mandible |
Lateral Pterygoid |
