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7 Cards in this Set
- Front
- Back
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Muscles of Mastication |
1. Temporalis- Closes jaw and pulls mandible forward and backward 2. Masseter- Closes jaw and retrudes mandible 3. Lateral Pterygoid- Protrudes jaw and opens mouth 4. Medial Pterygoid- Pulls mandible upward and forward and closes mouth. |
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Muscles of the Neck |
1. Sternocleidomastoid- Rotates head right and left 2. Platsma- Depresses mandible and lower lip 3. Trapezius- Moves the head to one side or backward. |
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Muscles of the Floor of the Mouth |
1. Digastric- Depresses mandible and elevates hyoid bone. 2. Stylohyiod- Elevates and retracts hyoid bone 3. Mylohyoid- Elevates hyoid bone and tongue and depresses mandible. 4. Geniohyoid- Elevates hyoid and tongue and depresses mandible. |
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Muscles of the Tongue |
1. Genioglossus- Protudes and depresses tongue 2. Hyoglossus- Depresses down sides and retracts tongue. 3. Styloglossus- Brings tongue upward and backward 4. Palatoglossus- Brings tongue upwards during swallowing |
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Temporalis |
Origin- Temporal Bone Insertion- Coronide process and ramus of mandible |
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Masseter |
Origin- Zygomatic arch Insertion- Ramus and angle of mandible |
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Lateral and Medial Pterygoid |
Lateral- Origin: Sphenoid bone and pterygoid plate Insertion: Condyle of mandible and TMJ capsule
Medial- Origin: Pterygoid plate, palatine bone and maxillary tubersity Insertion: Ramus and angle of mandible
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