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': 'Modiolus at the cortex of mouth is formed by all except? \nSelect and explain. \nA. Triangularis, B. Buccinator, C. Orbicularis oris, D. Alaque Nasi', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Modiolus is a chiasma of facial muscles held together by fibrous tissue located superolateral to each angle of mouth.\nIt is formed by 8 muscles,\n\nOrbicularis oris\nBuccinator\nLevator anguli oris\nDepressor anguli oris\nLevator labii superioris\nZygomaticus major\nRisorius\nPlatysma', 'role': 'assistant'}]