posterior spinal veins posterior spinal veins posterior spinal veins are small veins which receive blood from the dorsal spinal cord. posterior spinal veins1: posterior spinal vein2: anterior spinal vein3: posterolateral spinal vein4: radicular (or segmental medullary) vein5: posterior spinal arteries6: anterior spinal artery7: radicular (or segmental medullary) arterydetailsarteryposterior spinal arteryidentifierslatinvenae spinales posterioresta98a12.3.07.025ta24946fma70893anatomical terminology