lymphatic system

noun

: the part of the circulatory system that is concerned especially with scavenging fluids and proteins which have escaped from cells and tissues and returning them to the blood, with the phagocytic removal of cellular debris and foreign material, and with the immune response and that consists especially of lymphoid tissue, lymph, and lymph-transporting vessels

called also lymph system

Examples of lymphatic system in a Sentence

Recent Examples on the Web

Your lymphatic system is a huge part of your immune system, working to combat bacteria and viruses. —Korin Miller, Flow Space, 29 Apr. 2025

Also new, the Solstice Detox Massage will stimulate circulation along with the lymphatic system and the body’s natural endorphins. —Rona Berg, Forbes.com, 24 Apr. 2025

Occupational cancers frequently impact the lungs, liver, brain and bones, lymphatic system and the skin. —John F. McQuillan, Forbes, 21 Mar. 2025

These cells travel through the bloodstream or the lymphatic system to other parts of the body. —Julie Scott, Msn, Anp-Bc, People.com, 28 Feb. 2025

Word History

First Known Use

1830, in the meaning defined above

Rhymes for lymphatic system

• cryptosystem
• ecosystem
• intersystem
• multisystem
• photosystem
• subsystem

Kids Definition

lymphatic system

noun

: the part of the circulatory system that consists of special tissue (as of the lymph nodes and tonsils), lymph, lymph-transporting vessels, and the thymus and spleen and is concerned especially with returning fluids and proteins back to the blood and with destroying material (as bacteria) foreign to the body

called also lymph system

Medical Definition

lymphatic system

noun

variants also lymph system or lymphoid system

: the part of the circulatory system that is concerned especially with collecting fluids and proteins that have escaped from cells and tissues and returning them to the blood, with the phagocytic removal of cellular debris and foreign material, and with immune responses, that overlaps and parallels the system of blood vessels in function and shares some constituents with it, and that consists mainly of the thymus, spleen, tonsils, lymph, lymph nodes, lymphatic vessels, lymphocytes, and bone marrow where stem cells differentiate into precursors of B cells and T cells