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The popliteal lymph nodes are behind the knee. Conditions such as infections and autoimmune conditions can cause swelling, but it is rarely due to cancer. Learn more.
A knee bursa, also known as a subcutaneous prepatellar bursa, aids with movement when we walk, run, stretch, or even cross our legs. A knee bursa basically functions as a cushion; ...
Anatomy of a human knee. Credit: Rasi Bhadramani/iStock/Getty Images Plus. Analysis of knee joints from adult human cadavers provides new insights into the functions of a ligament that helps ...