1. Dorsal median sulcus
2. Gracile fasciculus
3. Dorsal intermediate sulcus
4. Cuneate fasciculus
5. Gracile nucleus
6. Spinal trigeminal tract
7. Spinal trigeminal nucleus
8. Dorsal spinocerebellar tract
9. Lateral corticospinal tract
10. Central canal with central gray matter
11. Lateral spinothalamic tract
12. Ventral spinocerebellar tract
13. Ventral horn
14. Medial longitudinal meniscus
15. Pyramidal decussation (decussation of lateral corticospinal tract)
16. Ventral corticospinal tract
17. Ventral median fissure
18. Ventral spinothalamic tract