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

In general, a lymph node is a checkpoint along the route of your lymphatic system, a part of your immune system that’s responsible for catching and filtering out foreign substances that could cause harm. —Erica Sloan, SELF, 30 Oct. 2024

The lymphatic system is a complex network of organs, vessels, tissues, and fluid. —Erica Sloan, SELF, 30 Oct. 2024

The lymphatic system is a group of organs, vessels, and tissues that work as part of the immune system to prevent infection and maintain fluid balance. —Angelica Bottaro, Verywell Health, 24 Oct. 2024

Hodgkin lymphoma is a type of cancer that originates in white blood cells called lymphocytes, affecting the lymphatic system, which is part of the body’s immune system. —Jacqueline Howard, CNN, 16 Oct. 2024

Word History

First Known Use

1830, in the meaning defined above

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