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| Great saphenous vein | |
|---|---|
 The great saphenous vein and landmarks along its course from the dorsal venous arch to the saphenous opening and femoral vein | |
 The great saphenous vein and its tributaries at the fossa ovalis in the groin. | |
| Details | |
| Source | Dorsal venous arch of the foot, and others |
| Drains to | Femoral vein |
| Identifiers | |
| Latin | vena saphena magna |
| TA98 | A12.3.11.003 |
| TA2 | 5058 |
| FMA | 21376 |
| Anatomical terminology | |
The great saphenous vein (GSV) or long saphenous vein (/səˈfiːnəs/) is a large, subcutaneous, superficial vein of the leg. It is the longest vein in the body, running along the length of the lower limb, returning blood from the foot, leg and thigh to the deep femoral vein at the femoral triangle.