Great saphenous vein
Saphenous Vein Graft : When undergoing a coronary heart bypass surgery, a graft of a healthy vessel is used for rerouting the blood flow around the blocked vessel on the heart. A portion of the great saphenous vein is commonly used for this purpose and is preferred over an artificial vessel because it has a longer patency. The vein graft is taken from the patient's leg in the knee region and used to connect coronary arteries and restore blood flow to the heart. It is a life saving procedure.
The great saphenous vein (GSV), previously also called the long saphenous vein, is a large, subcutaneous, superficial vein of the leg. It is the longest vein in the body running along the length of the leg.
The terms "safaina" (Greek, meaning "manifest," "to be clearly seen") and "safoon" (Hebrew, meaning "hidden/covered") have both been claimed as the origin for the word "saphenous."
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