Y1S2 016 I Anatomy Masticatory Muscles
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Questions and Answers

What is the origin of the masseter muscle?

  • Zygomatic arch (correct)
  • Ramus of mandible
  • Tuberosity of maxilla
  • Temporal fossa and temporal fascia

    • Which muscle is responsible for retracting the mandible and facilitating side to side grinding movement?

  • Lateral pterygoid
  • Medial pterygoid
  • Masseter
  • Temporalis (correct)

    • What is the nerve supply of the medial pterygoid muscle?

  • Nerve to medial pterygoid (correct)
  • Anterior division of mandibular nerve
  • Temporal branch of mandibular nerve
  • Masseteric nerve

    • What is the insertion of the lateral pterygoid muscle?

    <p>Pterygoid fovea and capsule of the T.M joint</p> Signup and view all the answers

    Which muscle has its insertion on the coronoid process and ramus of mandible?

    <p>Temporalis</p> Signup and view all the answers

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