Description
Lymph of the upper limb is collected by vessels and nodes that are divided into superficial and deep groups. The superficial lymph nodes drain the skin and subcutaneous layers through the supratrochlear lymph nodes. The deep structures of the arm, including the muscles and bones, are drained via the brachial lymph nodes.
Related parts of the anatomy
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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.
