This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
[{'content': 'Which of the following muscles originates from the\nzygomatic process of maxilla? \nSelect and explain. \nA. Medial pterygoid, B. Lateral pterygoid, C. Superficial layer of masseter, D. Posterior portion of the buccinator', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Masseter is one of the muscles of mastication, covering the lateral surface of mandibular ramus.\nOrigin:\xa0\n\n\u200bSuperficial layer: From anterior 2/3rd of lower border of zygomatic arch and adjoining zygomatic process of maxilla.\nDeep layer: From deep surface of zygomatic arch.\n\nInsertion:\xa0\n\nSuperficial layer: Into lower part of lateral surface of ramus.\nDeep layer: Into rest of the ramus of mandible.\n\nNerve Supply:\n\nMasseteric nerve, a branch of anterior division of mandibular nerve.', 'role': 'assistant'}]