18b TMJ
18b TMJ
18b TMJ
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Medial Pterygoid Muscle<br />
• Origin:<br />
– Medial surface of lateral<br />
pterygoid plate<br />
• Insertion:<br />
– Posterior and lower part of<br />
medial surface of ramus,<br />
angle of mandible<br />
• Function:<br />
– Elevates, protrudes and<br />
laterotrudes the mandible,<br />
clenches teeth