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8 Cards in this Set
- Front
- Back
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Masseter
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elevates and protracts the jaw some side-to-side Origin maxilla and zygomatic arch Insertion lateral surface of mandibular ramus; coronoid process of the mandible |
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Temporalis
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retracts and elevates the jaw
Origin Along the temple (frontal, parietal, and temporal bones Insertion coronoid process and ramus of mandible |
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Medial Pterygoid
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protracts and elevates the jaw
side-to-side Origin medial surface of lateral pterygoid plate of the sphenoid bone; maxilla Insertion medial surface of mandibular ramus and angle |
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Lateral Pterygoid
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protracts and depresses the jaw
side-to-side Origin lateral surface of greater wing of sphenoid bone Insertion condyle of mandible and temporomandibular joint |
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Digastric
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depresses and retracts jaw
elevates hyoid bone Origin Posterior belly: mastoid process of temporal bone Anterior belly: base of mandible, near midline Insertion hyoid bone |
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Stylohyoid
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elevates and retracts hyoid bone
Origin styloid process of temporal bone Insertion body of hyoid bone |
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Mylohyoid
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depresses jaw
elevates floor of mouth and hyoid bone Origin mandible Insertion body of hyoid bone; connective tissue from middle of mandible to hyoid bone |
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Geniohyoid
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retracts and depresses jawelevates and protracts hyoid bone
Originposterior of middle of mandible Insertionanterior of hyoid bone |
