1 — Myelencephalon; Medulla oblongata; Bulb; 2 — Central canal; 3-Aqueduct of midbrain; Cerebral aqueduct; 4 — Hemisphere of cerebellum [H II — H X]; Tonsil of cerebellum; Ventral paraflocculus [H IX]; 5 — Fourth ventricle; 6 — Vermis of cerebellum [I-X]; 7 — Tectum of midbrain; 8 — Calcarine sulcus; 9 — Posterior cerebral artery; 10 — Great cerebral vein; 11 — Parieto-occipital sulcus; 12 — Corpus callosum, splenium; 13 — Pineal gland; Pineal body; 14 — Posterior commissure; 15 — Tela choroidea of third ventricle; 16 — Choroid plexus of third ventricle; 17 — Fornix, body; 18 — Central sulcus; 19 — Interthalamic adhesion; Massa intermedia; 20 — Corpus callosum, trunk, body; 21 — Interventricular foramen; 22 — Hypothalamus; 23 — Septum pellucidum; 24 — Corpus callosum, rostrum; 25 — Lateral ventricle, frontal horn, anterior horn; 26 — Corpus callosum, genu; 27 — Anterior cerebral artery, precommunicating part; Al segment; Pericallosal artery; 28 — Anterior commissure; 29 — Lamina terminalis; 30 — Anterior communicating artery; 31 — Optic chiasm; Optic chiasma; 32 — Internal carotid artery; 33 — Infundibulum; 34 — Pituitary gland; 35 — Mammillary body; 36 — Hypothalamic sulcus; 37 — Third ventricle; 38 — Basilar
artery; 39 — Thalamus; Dorsal thalamus; 40 — Vertebral artery; 41 — Pons
