Vessels that carry lymphatic fluid, a fluid derived from the blood.

A type of white blood cell that fights infection.

A build-up of fluid in an area of the body due to a reduction in the drainage of lymphatic fluid, a fluid derived from the blood.

A sexually transmitted disease caused by a chlamydial infection.

Part of the body’s immune system responsible for antibody production and the production of a type of white blood cells, lymphocytes.

A type of cancer that affects the lymph nodes, part of the immune system.

A higher dose of drugs given at the start of treatment to get the right level of the drug in the body; a lower dose is then given for the longer term to maintain this level.

How relaxed or slack a body part is.