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Left Lumbar Nodes
Lymphoid System

Left Lumbar Nodes

Nodi lumbales sinistri

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Description

The left lumbar lymph nodes form part of the parietal abdominal lymph nodes. They are arranged around the length of the abdominal aorta.

The left lumbar lymph nodes can be subcategorized into three groups: the lateral aortic lymph nodes, the preaortic lymph nodes, and the retroaortic lymph nodes. These three groups are interconnected, forming a horseshoe-like arrangement around the abdominal aorta and hence are also called as para-aortic lymph nodes.

The lumbar lymph nodes receive lymph from the common iliac lymph nodes as a pathway from the lower limb. In addition, lumbar lymph nodes also receive lymph from visceral lymph nodes and their vessels draining abdominal organs.

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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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