Lymph nodes meaning: Lymph nodes are kidney-shaped organs of the

Lymph nodes are kidney-shaped organs of the lymphatic system and the immune system, present in most parts of the body. They filter foreign particles, including cancer cells, and have a cortex, medulla and nodules with different types of cells. Lymph nodes are small glands that filter lymphatic fluid and help fight infections. They can swell due to various causes, such as infections, cancer, or autoimmune diseases. Learn more about lymph nodes and how to keep them healthy. A lymph node is a small, bean-shaped structure that is part of the lymphatic system. It acts as a filter for lymph, a fluid containing white blood cells that circulates throughout the body. Lymph nodes are composed of a network of lymphoid tissue and contain immune cells, such as lymphocytes and macrophages. 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.