A clear, watery, sometimes faintly yellowish fluid derived from body tissues that contains white blood cells and circulates throughout the lymphatic system, returning to the venous bloodstream through the thoracic duct. Lymph acts to remove bacteria and certain proteins from the tissues, transport fat from the small intestine, and supply mature lymphocytes to the blood.
|lymph (lĭmf) Pronunciation Key
The clear fluid flowing through the lymphatic system that serves to bathe and nourish the tissues of the body. It is composed of blood plasma that has leaked out through the capillaries into the tissues.