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: ENT
[{'content': "All these structures are found in the lateral nasal wall except - \nSelect and explain. \nA. Superior Turbinate, B. Vomer, C. Agger nasi, D. Hasner's valve", 'role': 'user'}, {'content': "Answer: B \nExplanation: Vomer bone forms the medial wall (nasal septum), and not the lateral wall of nasal cavity.\nAll other options are part of lateral nasal wall :- Superior turbinate; Agger nasi (an elevation anterior to middle turbinate); and Hasner's valve (a mucosal flap closing the opening of nasolacrimal duct into the inferior meatus).", 'role': 'assistant'}]