This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': 'Which muscle has fibers that enter the aicular disc and capsule? \nSelect and explain. \nA. Medial pterygoid, B. Buccinator, C. Temporalis, D. Lateral pterygoid', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Only the lateral pterygoid enters the temporomandibular joint (TMJ). Its fibers join the aicular disc and capsule.', 'role': 'assistant'}]