Podcast
Questions and Answers
What is the origin of the Temporalis muscle?
What is the origin of the Temporalis muscle?
Which muscle elevates and retracts the mandible?
Which muscle elevates and retracts the mandible?
What is the action of the Medial pterygoid muscle?
What is the action of the Medial pterygoid muscle?
Which muscle originates from the Pterygoid process?
Which muscle originates from the Pterygoid process?
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What is the action of the Lateral pterygoid muscle?
What is the action of the Lateral pterygoid muscle?
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Study Notes
Muscles of Mastication
Temporalis Muscle
- Originates from the temporal bone
- Inserts into the mandible
- Action: Elevates and retracts the mandible
Masseter Muscle
- Originates from the zygomatic arch
- Inserts into the mandible
- Action: Elevates the mandible
Medial Pterygoid Muscle
- Originates from the pterygoid process
- Inserts into the mandible
- Action: Elevates and protracts the mandible
Lateral Pterygoid Muscle
- Originates from the pterygoid process
- Inserts into the mandible
- Action: Depresses and protracts the mandible
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Description
Test your knowledge of the muscles involved in the mastication process, including their origins, insertions, and actions. Identify the muscles responsible for elevating, retracting, and protracting the mandible. Assess your understanding of the muscle anatomy related to chewing and eating.
