1. Middle cerebellar peduncle
2. Superior cerebellar peduncle
3. Inferior cerebellar peduncle
4'.The medullary vestibular area
4''.The pontine vestibular area
5. Medial eminence
6. Facial colliculus
7. Hypoglossal trigone
8. Vagal trigone
9. Area postrema
10. Cinereum tubercle
11. Cuneate tubercle
12. Gracile tubercle
13. Posterolateral sulcus
14. Posterior intermediate sulcus
15. Posteromedian sulcus
16. Obex
17. Fovea inferior
18. Striae medullares
19. Sulcus limitans
20. Fovea superior
21. Locus coeruleus
22. Trochlear nerve
23. Frenulum veli
24. Superior medullary velum