this image shows the pathway of the tract responsible for the pain and temperature and the tract for mechanosensation
showing:
1. receptor ending
2. pain and temperature afferent fibers
3. mechanosensory fibers
4. dorsal root ganglion
5. dorsal horn cell
6. spinal cord
7. medulla
8. cuneate nucleus
9. medial lemniscus
10. gracile nucleus
11. midbrain
12. VPLN of the thalamus
13. somatosensory area of cerebral cortex
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