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': 'Tendon of which muscle passes through the pyramid in middle ear \nSelect and explain. \nA. Incus, B. Stapedius, C. Malleus, D. Tensor veli palatine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: A conical projection called the pyramid lies near the junction of the posterior and medial walls of the middle ear. It has an opening at its apex for the passage of the tendon of the stapedius muscle', 'role': 'assistant'}]