What does "Lymph nodes" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
Lymph nodes are small, bean-shaped structures in the body that produce and store cells that fight infection and disease. They are part of the body's immune system and are located throughout the body, including the neck, armpits, and groin. These nodes also filter the lymph fluid, which carries waste material and harmful substances away from different parts of the body. When the body is fighting an infection, these nodes can become swollen and tender.
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