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': 'LMN involves: \nSelect and explain. \nA. Peripheral nerves, B. Anterior horn cell, C. Anterior nerve root, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: A i.e. Peripheral nerve; B i.e. Anterior horn cell; C i.e. Anterior nerve root', 'role': 'assistant'}]