This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sensory System, Subject name: Physiology
[{'content': 'Which structure carries axons from the nucleus gracilis to the thalamus? \nSelect and explain. \nA. Fasciculus gracilis, B. Fasciculus lemniscus, C. Lateral spinothalamic tract, D. Medial lemniscus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The medial lemniscus conveys axons from the nucleus gracilis and cuneatus to the thalamus (see the figure below).', 'role': 'assistant'}]