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Supratrochlear Nodes (Left)
Lymphoid System

Supratrochlear Nodes (Left)

Nodi supratrochleares

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Quick Facts

Location: Superior to medial epicondyle of the humerus.

Drainage: Third to fifth fingers and medial forearm.

Direction of Flow: Lateral axillary lymph nodes> central axillary lymph nodes > infraclavicular lymph nodes > subclavian trunk > right lymphatic duct (right) or thoracic duct (left).

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The supratrochlear lymph nodes are comprised of one to two nodes located superior to the medial epicondyle of the humerus and medial to the basilic vein. These nodes form part of the cubital lymph nodes, nodes which are scattered within the cubital fossa, near the bifurcation of the brachial artery.

The supratrochlear lymph nodes drain lymph from the third to fifth fingers, and the medial portions of the forearm. The efferent vessels of the nodes accompany the basilic vein in the arm.

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Lymph Node

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Lymph nodes (LN) are secondary lymphoid organs distributed throughout the body located alongside the lymphatic vasculature that drains peripheral tissues and organs of the body to deliver molecules, antigens, microorganisms, and cells such as lymphocytes and antigen-presenting cells (APCs) from the tissues [151].

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