Great saphenous vein

Great Saphenous Vein

The Great Saphenous Vein (pronunciation: /ˈsæfɪnəs/ vein) is the largest vein in the human body, extending from the foot to the groin. It is a superficial vein, meaning it is close to the surface of the body.

Etymology

The term "saphenous" is derived from the Greek word "saphēnēs," meaning "clearly visible." This is in reference to the vein's visibility on the surface of the leg.

Anatomy

The Great Saphenous Vein originates from the dorsal vein of the big toe and runs up the medial side of the leg. It passes in front of the ankle joint, runs up the medial side of the calf, and then ascends along the inner side of the thigh. It drains into the femoral vein in the groin.

Function

The primary function of the Great Saphenous Vein is to return deoxygenated blood from the leg to the heart. It also plays a significant role in thermoregulation, helping to cool the body during periods of high temperature.

Related Terms

• Superficial vein
• Femoral vein
• Varicose veins
• Venous insufficiency

See Also

• Lesser saphenous vein
• Deep vein thrombosis
• Vein stripping

External links

• Medical encyclopedia article on Great saphenous vein
• Wikipedia's article - Great saphenous vein

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