The arachnoid membrane is intact. Note that the great anastomotic vein (of Trolard) (31) lies along the postcentral sulcus instead of the central sulcus as it commonly does. The identity of the anterior central gyrus (motor area) was determined histologically.
Central sulcus (of Rolando)
Postcentral gyrus
Superior frontal sulcus
Precentral gyrus
Artery of central sulcus (branch middle cerebral artery)
Precentral sulcus (inferior part)
Inferior frontal sulcus
Superior frontal gyrus
Medial frontal gyrus
Inferior frontal gyrus
Frontal pole
Artery of precentral sulcus (branch middle cerebral artery)
Anterior ascending branch of lateral cerebral fissure and triangular part of inferior frontal gyrus
Anterior horizontal branch lateral cerebral fissure and orbital part inferior frontal gyri
Operculum of inferior frontal gyrus
Orbital gyrus
Olfactory bulb
Posterior branch of lateral cerebral fissure, middle cerebral vein and superior temporal gyrus
Temporal pole
Superior temporal sulcus and medial temporal gyrus
Temporal branches of middle cerebral artery
Middle temporal sulcus and inferior temporal gyrus
Basilar artery
Medulla oblongata
Superior cerebral veins
Superior parietal lobule
Inferior parietal lobule
Interparietal sulcus
Postcentral sulcus
Supramarginal gyrus (lower part of inferior parietal lobule)
Great anastomotic vein (of Trolard)
Angular gyrus (lower part of inferior parietal lobule)