Description
Lymphatics of the lower limb are divided into superficial and deep systems.
The lymphatic vessels of the superficial system tend to accompany the saphenous veins and their tributaries. Vessels accompanying the great saphenous vein drain into either the superficial or deep inguinal lymph nodes, while those accompanying the small saphenous vein drain into the popliteal lymph nodes that lie within the popliteal fossa.
The lymphatic vessels of the deep system accompany the deep veins. They carry lymph to the popliteal lymph nodes, which then direct lymph to the deep inguinal nodes.
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Lymph Node
Lymph nodes are a part of the lymphatic system, which also includes lymphatic vessels that collect interstitial fluid or lymph (including invaded microbes in case of infections) from all vascularized tissues and discharge it into their draining lymph nodes.
