Physiology The first-order (primary afferent) cell bodies of the dorsal column-medial lemniscal system are found in which structure? A Spinal cord dorsal horn B Spinal cord ventral horn C Dorsal root ganglia D Nucleus cuneatus 💡 Explanation The first-order (primary afferent) cell bodies of the dorsal column-medial lemniscal system are found in which structure? ✓ Correct Answer: C. Dorsal root ganglia