1. Gracile nucleus
2. Cuneate fasciculus
3. Cuneate nucleus
4. Solitary nucleus
5. Solitary tract
6. Dorsal motor nucleus of vagus
7. Dorsal longitudinal fasciculus
8. Hypoglossal nucleus
9. Internal arcuate fibers
10. Dorsal spinocerebellar tract
11. Spinal trigeminal tract
12. Spinal trigeminal nucleus
13. Nucleus ambiguous
14. Medial longitudinal meniscus
15. Tectospinal tract
16. Medial lemniscus
17. Ventral spinocerebellar tract
18. Spinal lemniscus
19. Lateral reticular nucleus
20. Central tegmental tract
21. Inferior olivary nucleus
22. Medial accessory olivary nucleus
23. Pyramidal tract (corticospinal tract)
24. Intra-axial root fibers of hypoglossal nerve
25. Arcuate nucleus of medulla
26. Preolivary sulcus