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 ...

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 ...

Lymph nodes are small, bean-shaped structures that are part of the lymphatic system. The lymphatic system helps the body fight infection and filter harmful substances. Lymph nodes are present ...

Lymph nodes are a vital part of the immune system. If you have swollen lymph nodes in the armpit area, there may be various causes. Here's what you should know.

For decades, scientists assumed that the brain and the immune system did not communicate. A study by researchers at Washington University School of Medicine (WashU Medicine) in St. Louis has now ...