lymphocyte

noun

lym·pho·cyte | \ ˈlim(p)-fə-ˌsīt

Definition of lymphocyte

: any of the colorless weakly motile cells originating from stem cells and differentiating in lymphoid tissue (as of the thymus or bone marrow) that are the typical cellular elements of lymph, include the cellular mediators of immunity, and constitute 20 to 30 percent of the white blood cells of normal human blood — compare b cell, t cell

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Hodgkin's lymphoma is a cancer that develops from cells in the lymphatic system called lymphocytes, a type of white blood cell that helps the body fight infections. — Aaron Wilson, Houston Chronicle, "Texans' Andre Hal on lymphoma diagnosis: 'I know how to beat it'," 30 June 2018 Hodgkin’s lymphoma is a cancer that develops from cells in the lymphatic system called lymphocytes, a type of white blood cell that helps the body fight infections. — Aaron Wilson, Houston Chronicle, "Diagnosed with lymphoma, Andre Hal watches Texans practice," 12 June 2018 Researchers also removed immune cells from the malignant mass - tumor-infiltrating lymphocytes, or TILs - and found some that targeted four of those defects. — Laurie Mcginley, ajc, "Researchers use immune-cell 'army' to battle another tough cancer," 4 June 2018 After extracting the tumor-infiltrating lymphocytes from a biopsy, his team can multiply the cells and give billions of them back to the patient. — Michelle Cortez, Bloomberg.com, "Immune-System Therapy Eradicated Breast Cancer in New Breakthrough," 4 June 2018 Most new particles of the virus are produced in immune-system cells called T-lymphocytes. — The Economist, "HIV+ volunteers are bequeathing their organs to a new project," 31 May 2018 This final blow may prompt a further genetic mutation, activating the malignant potential of these first two factors and igniting a process in which the bone marrow's production of immature lymphocytes spins out of control. — Melissa Healy, latimes.com, "New 'unified theory' of childhood leukemia raises possibility of preventing the disease," 23 May 2018 To her horror, Smith was diagnosed a cancer of the lymphocytes, a type of white blood cell that fights infection in the body. — Fox News, "Woman diagnosed with 2 terminal illnesses given 6 months to live," 2 May 2018 With non-Hodgkins's lymphoma, the cancer starts with white blood cells called lymphocytes, which are part of the body's immune system, according to the American Cancer Society. — Sara M Moniuszko, USA TODAY, "Abby Lee Miller, former 'Dance Moms' star, preliminarily diagnosed with Burkitt Lymphoma," 19 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lymphocyte.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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Dictionary Entries near lymphocyte

lymphocytic choriomeningitis

lymphocytic leukemia

lymphocytosis

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The first known use of lymphocyte was in 1890

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More Definitions for lymphocyte

lymphocyte

noun

lym·pho·cyte | \ ˈlim-fə-ˌsīt

Kids Definition of lymphocyte

: any of the white blood cells of the immune system that play a role in recognizing and destroying foreign cells, particles, or substances that have invaded the body

lymphocyte

noun

lym·pho·cyte | \ ˈlim(p)-fə-ˌsīt

Medical Definition of lymphocyte

: any of the colorless weakly motile cells that originate from stem cells and differentiate in lymphoid tissue (as of the thymus or bone marrow), that are the typical cellular elements of lymph, that include the cellular mediators of immunity, and that constitute 20 to 30 percent of the white blood cells of normal human blood — see b cell, t cell