Saphenofemoral junction

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Saphenofemoral junction is a medical term referring to the junction where the saphenous vein connects with the femoral vein. This junction is located in the upper thigh and is a critical part of the body's venous system.

Etymology[edit | edit source]

The term "saphenofemoral" is derived from the names of the two veins that form the junction. "Sapheno-" comes from the saphenous vein, the longest vein in the body, and "-femoral" comes from the femoral vein, a large vein in the thigh.

Anatomy[edit | edit source]

The saphenofemoral junction is located in the groin area, where the saphenous vein and femoral vein meet. The saphenous vein is a superficial vein, meaning it is close to the surface of the skin, while the femoral vein is a deep vein, located deeper within the body. The junction of these two veins allows for blood to flow from the superficial vein to the deep vein, which then carries the blood back to the heart.

Clinical significance[edit | edit source]

The saphenofemoral junction is a common site for the formation of varicose veins. These are veins that have become enlarged and twisted, often due to weak or damaged valves in the veins. If the valves in the saphenofemoral junction become weak or damaged, blood can pool in the saphenous vein, causing it to become varicose.

In addition, the saphenofemoral junction is often involved in procedures to treat varicose veins. One such procedure is saphenofemoral ligation, in which the saphenous vein is tied off at the saphenofemoral junction to prevent blood from pooling in the vein.

Related terms[edit | edit source]

  • Saphenous vein: The longest vein in the body, which runs along the length of the leg and thigh.
  • Femoral vein: A large vein in the thigh that carries blood back to the heart.
  • Varicose veins: Veins that have become enlarged and twisted, often due to weak or damaged valves in the veins.
  • Saphenofemoral ligation: A surgical procedure to treat varicose veins, in which the saphenous vein is tied off at the saphenofemoral junction.
Saphenofemoral junction Resources
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Contributors: Prab R. Tumpati, MD