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