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
Which structure carries axons from the nucleus gracilis to the thalamus? 
Select and explain. 
A. Fasciculus gracilis, B. Fasciculus lemniscus, C. Lateral spinothalamic tract, D. Medial lemniscus
D: Medial lemniscus
Answer: D: Medial lemniscus 
Explanation: The medial lemniscus conveys axons from the nucleus gracilis and cuneatus to the thalamus (see the figure below).