inferior gluteal veins inferior gluteal veins the inferior gluteal veins are venae comitantes of the inferior gluteal artery. they commence in the superior/proximal posterior thigh. they enter the pelvis through the lower part of the greater sciatic foramen. they converge to form a single vessel before emptying into the into the distal portion of the internal iliac vein. inferior gluteal veinsvessels and nerves of gluteal region.detailsdrains toanterior division of internal iliac veinarteryinferior gluteal arteryidentifierslatinvenae glutaeae inferioresta98a12.3.10.006ta25026fma70908anatomical terminology anatomy anastomoses at their origin, the inferior gluteal veins form anastomoses with the medial femoral circumflex vein and the first perforating veins. they provide a means of collateral circulation between the femoral vein, and lnternal iliac vein.