A circulatory system of vessels distinct from the blood vessel circulatory system that reaches most body areas. This system contains lymph fluid and immune system cells. Lymphatics drain into lymph nodes and, eventually, the bloodstream.• Main Glossary• Previous Page
system of tissues and organs that produce, store, and carry white blood cells that fight infection and other diseases. This system includes the bone marrow, spleen, thymus and lymph nodes and a network of thin tubes that carry lymph and white blood cells. These tubes branch, like blood vessels, into all the tissues of the body