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lymph nodes

lymph system throughout body, with close-up of lymph nodes in armpit area.

lymph nodes are part of the lymph system, which carries lymph fluid, nutrients, and waste material between the body tissues and the bloodstream. the three most common sites of swollen lymph nodes are the neck, armpit, and groin. the lymph system is also an important part of the immune system, the body's defence system against disease.

current as of: september 25, 2023

author: healthwise staff
clinical review board
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