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Anatomy General 8028a000

Which of the following muscles originates from the zygomatic process of maxilla?

A
Medial pterygoid
B
Lateral pterygoid
C
Superficial layer of masseter
D
Posterior portion of the buccinator
High-Yield Explanation
Masseter is one of the muscles of mastication, covering the lateral surface of mandibular ramus. Origin:  ​Superficial layer: From anterior 2/3rd of lower border of zygomatic arch and adjoining zygomatic process of maxilla. Deep layer: From deep surface of zygomatic arch. Insertion:  Superficial layer: Into lower part of lateral surface of ramus. Deep layer: Into rest of the ramus of mandible. Nerve Supply: Masseteric nerve, a branch of anterior division of mandibular nerve.

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