Deep femoral vein

Vein in the human leg

The deep femoral vein, also known as the profunda femoris vein, is a significant blood vessel in the human body that plays a crucial role in the venous drainage of the thigh. It is a deep vein that accompanies the deep femoral artery and is part of the venous system of the lower limb.

Lower limb veins, anterior and posterior view

Anatomy

The deep femoral vein is located in the thigh and is a deep vein that runs alongside the deep femoral artery. It typically begins in the upper part of the thigh, where it receives blood from the perforating veins that drain the deep structures of the thigh, including the hamstring muscles.

Diagram of the femoral vein and its tributaries

The vein travels superiorly and medially, eventually joining the femoral vein near the inguinal ligament. This confluence is an important site for the drainage of blood from the lower limb back to the heart.

Function

The primary function of the deep femoral vein is to drain deoxygenated blood from the deep structures of the thigh. It collects blood from the perforating veins, which in turn receive blood from the muscles and tissues of the posterior and medial compartments of the thigh.

The deep femoral vein plays a vital role in the venous return from the lower limb, working in conjunction with the superficial veins and the muscle pump mechanism to facilitate the upward flow of blood against gravity.

Clinical significance

The deep femoral vein is clinically significant due to its involvement in conditions such as deep vein thrombosis (DVT). DVT is a condition where a blood clot forms in a deep vein, often in the lower limb, which can lead to serious complications if the clot dislodges and travels to the lungs, causing a pulmonary embolism.

In surgical procedures involving the thigh, care must be taken to avoid injury to the deep femoral vein, as damage can lead to significant bleeding and complications in venous drainage.

Related pages

• Femoral vein
• Deep vein thrombosis
• Venous system
• Deep femoral artery