Lymph nodes meaning: Lymph nodes are small structures that

Lymph nodes are small structures that filter germs, cancer cells, and wastes out of your lymphatic fluid and help fight infections. Learn about their location, function, and how they can swell due to infections or other causes. Lymph nodes are small organs in the lymphatic system that filter lymph and play a critical role in the body's immune response. A small bean-shaped structure that is part of the body’s immune system. Lymph nodes filter substances that travel through the lymphatic fluid, and they contain lymphocytes (white blood cells) that help the body fight infection and disease. Lymph nodes are small, bean-shaped organs that help produce immune cells, filter lymph fluid, and protect against inflammation in your body.