The interlobar veins are veins of the renal circulation which drain the renal lobes. They collect blood from the Arcuate vein. The interlobar veins unite to form a renal vein.Frederic Martini (2025). 9780134320762, Pearson. ISBN 9780134320762 Each interlobar vein passes along the edge of the Renal pyramid. (2025). 9780702067600, Elsevier. ISBN 9780702067600