<prompt> Which of the following muscles originates from thezygomatic process of maxilla?Medial pterygoidLateral pterygoidSuperficial layer of masseterPosterior portion of the buccinator  <response>: Masseter is one of the muscles of mastication, covering the lateral surface of mandibular ramus.Origin: Superficial layer: From anterior 23rd 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. 