tributary of tributary of femoral vein great saphenous vein UBERON:0001363 FMA:21376 galen:GreatSaphenousVein galen:GreaterSaphenousVein long saphenous vein BTO:0003271 Wikipedia:Great_saphenous_vein large saphenous vein MA:0002216 SCTID:181402008 NCIT:C33004 The great saphenous vein (GSV), also greater saphenous vein, is the large (subcutaneous) superficial vein of the leg and thigh. The terms 'safaina' (Greek) and 'el safin' (Arabic) have both been claimed as the origin for the word 'saphenous'. [WP,unvetted]. greater saphenous vein saphenous vein