part of part of tributary of tributary of Homo sapiens system vein spinal cord back blood vessel posterior intercostal vein lateral sacral vein intervertebral vein FMA:76736 A vein that drains blood from the vertebral column and intervertebral discs. In the neck, it is tributary of into the vertebral veins. In the thorax, it is tributary of the posterior intercostal veins. In the lumbar and sacral regions, it is tributary of the lumbar and lateral sacral veins 2024-06-06T09:53:48Z lumbar vein Aleix Puig-Barbé