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10 Cards in this Set
- Front
- Back
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Temporalis |
Function: Closes jaw and pulls the mandible forward and backward (retrude)
Origin: Temporal Bone
Insertion: Coronoid process and ramus of mandible |
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Masseter |
Function: Closes jaw and retrudes mandible
Origin: Zygomatic arch
Insertion: Ramus and angle of mandible |
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Lateral Pterygoid |
Function: Protrudes jaw and opens mouth
Origin: Sphenoid bone abd pterygoid plate
Insertion: Condyle of mandible and TMJ capsule |
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Medial Pterygoid |
Function: Pulls mandible upward and forward, and closes mouth
Origin: Pterygoid plate, palatine bone, and maxillary tuberosity
Insertion: Ramus and angle of mandible |
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Frontalis |
Function: Raises and lowers eyebrows
Origin: Frontal bone
Insertion: Skin above eyes |
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Orbicularis Oris |
Function: Puckers lips
Origin: Maxilla, mandible, lips, and buccinator
Insertion: Mucous membrane and lip muscles |
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Buccinator |
Function: Compresses cheeks and lips
Origin: Maxilla and mandible
Insertion: Orbicularis oris |
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Zygomatic |
Function: Pulls corner of lips up, back, and outward
Origin: Zygomatic bone
Insertion: Orbicularis oris |
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Mentalis |
Function: Pushes lower lip up
Origin: Midline of mandible
Insertion: Skin of chin |
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Orbicularis Oculi |
Function: Closes eyelids
Origin: Frontal, maxilla
Insertion: Skin and eyelids |
