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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
This may be because massaging your navel can stimulate the lymphatic system in your gastrointestinal tract, Rocco says.
—Renée Onque, CNBC, 21 Nov. 2024
Diving Deep into the Mouth's Microbial Dark Matter The Causes of Tonsil Stones
Tonsil stones form when your tonsils, which are part of your body’s lymphatic system, trap debris in their crevices, which then calcifies.
—Jake Parks, Discover Magazine, 30 Oct. 2024
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
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Word History
First Known Use
1830, in the meaning defined above
Dictionary Entries Near lymphatic system
Cite this Entry
“Lymphatic system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lymphatic%20system. Accessed 25 Dec. 2024.
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
More from Merriam-Webster on lymphatic system
Britannica.com: Encyclopedia article about lymphatic system
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