medial pulvinary vein medial pulvinary vein the paired (left and right) medial pulvinary veins (latin: venae pulvinares mediales) are veins that drain blood from the corresponding halves of medial part of the pulvinar of the thalamus into the corresponding internal cerebral vein medial pulvinary veins (right and left)detailsdrains frommedial portion of the pulvinar of the thalamusdrains tointernal cerebral veinidentifierslatinvenae pulvinares mediales dextra et sinistraanatomical terminology