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: Physiology
[{'content': 'Axonotmesis includes discontinuity in: \nSelect and explain. \nA. Perineurium, B. Epineuri um, C. Endoneurium, D. Axon', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Axon', 'role': 'assistant'}]