Popliteal fossa
Popliteal fossa
Popliteal fossa (pronunciation: pɒplɪˈtiːəl ˈfɒsə) is a term used in anatomy to describe a specific area located at the back of the knee. The term "popliteal" is derived from the Latin word "poples", which means "knee". The word "fossa" is also Latin in origin and means "ditch" or "trench".
Anatomy
The popliteal fossa is a diamond-shaped depression located at the back of the knee joint. It is bordered by several muscles, including the biceps femoris and semitendinosus muscles superiorly, and the gastrocnemius muscle inferiorly. The fossa contains several important structures, such as the popliteal artery, popliteal vein, and tibial nerve.
Clinical significance
Due to the presence of vital structures, the popliteal fossa is a clinically significant area. Conditions such as popliteal artery aneurysm, popliteal vein thrombosis, and Baker's cyst can occur in this region. In addition, the popliteal fossa is often used as a landmark for medical procedures, such as knee arthroscopy and nerve block procedures.
Related terms
- Popliteal artery: The main artery that supplies blood to the lower leg.
- Popliteal vein: The vein that drains blood from the lower leg.
- Popliteal nerve: Also known as the tibial nerve, it provides sensation and motor function to the lower leg.
- Popliteal cyst: Also known as a Baker's cyst, it is a fluid-filled sac that can form in the popliteal fossa.
External links
- Medical encyclopedia article on Popliteal fossa
- Wikipedia's article - Popliteal fossa
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