This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb, Subject name: Anatomy
[{'content': 'Nerve involved in Guyon&;s canal syndrome is \nSelect and explain. \nA. Axillary nerve, B. Median nerve, C. Ulnar nerve, D. Radial nerve', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Guyon&;s canal is formed by the pisiform and hamate and the ligament that connects them. The ulnar nerve and ulnar aery run through the tunnelGuyon&;s canal syndrome is also known as handlebar palsy (seen in cyclists)', 'role': 'assistant'}]