1 — Transverse medullary veins; 2 — Transverse pontine veins; 3 — Anteromedian pontine vein; 4 — Trigeminal nerve [V]; 5 — Interpeduncular veins; 6 — Pontomesencephalic vein; 7 — Superior vein of vermis; 8 — Superior veins of cerebellar hemisphere; 9 — Anterolateral pontine vein; 10 — Posteromedian medullary vein; 11 — Dorsal transverse medullary veins; 12 — Posterolateral medullary vein; 13 — Anterolateral medullary vein; 14 — Petrosal vein; 15 — Great cerebral vein; 16 — Trochlear nerve [IV]; 17 — Lateral mesencephalic vein; 18 — Caudal cerebellar
peduncular vein; 19 — Vein of cerebellomedullary cistern
