+Lymph nodes are small, bean-shaped organs of the [Immune System](/wiki/immune_system), strategically scattered throughout the body. They act as filters, trapping harmful substances and housing [Immune Cells](/wiki/immune_cells) that fight infection. These vital hubs play a critical role in the body's defense against disease.
+## See also
+- [Lymph](/wiki/lymph)
+- [Lymphatic System](/wiki/lymphatic_system)
+- [Spleen](/wiki/spleen)
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