superior gluteal veins superior gluteal veins the superior gluteal veins (gluteal veins) are venæ comitantes of the superior gluteal artery. they receive tributaries from the buttock corresponding with the branches of the artery. they enter the pelvis through the greater sciatic foramen, superior to the piriformis. they drain into internal iliac vein (often uniting to drain as a single trunk). superior gluteal veinsvessels and nerves of gluteal region.detailsdrains toposterior division of internal iliac veinarterysuperior gluteal arteryidentifierslatinvenae glutaeae superioresta98a12.3.10.005ta25025fma70907anatomical terminology