The lymphatic system is a network of vessels, nodes, and ducts that pass through almost all bodily tissues. It allows the circulation of a fluid called lymph through the body in a similar way to blood ...

Swollen lymph nodes often indicate that the lymphatic system is actively fighting off an infection or illness by accumulating bacteria and dead cells. While swollen lymph nodes can result from ...

The lymphatic system has long been considered mysterious. But the lymphatic system – and the lymph nodes within it – plays fascinating and important roles in health and disease, from fighting off ...

Cancer can spread to the lymph nodes via a person’s lymphatic system. From here, it can travel through the lymphatic system to other parts of the body. The spread of cancer to a new part of the body ...