plasma cell


: a lymphocyte that is a mature antibody-secreting B cell

Examples of plasma cell in a Sentence

Recent Examples on the Web For example, research on workers in the petroleum industry has shown that benzene exposure can increase the risk of leukemia (a cancer of the body’s blood-forming tissues) and multiple myeloma (a condition in which cancerous plasma cells infiltrate bone marrow), per the WHO guidelines. Jessica Chia, SELF, 12 Mar. 2024 Lastly, myeloma prevents the normal production of antibodies by affecting the body's plasma cells. Ashlyn Messier, Fox News, 24 Sep. 2023 Scalise said he has been diagnosed with multiple myeloma, a cancer that forms in white blood cells called plasma cells. Kathryn Watson, CBS News, 29 Aug. 2023 Among its soldiers are white blood cells, known for their ability to find and kill invaders, and plasma cells, which produce antibodies. Trisha Pasricha Md and Mph, Anchorage Daily News, 29 May 2023 Typical components include an anti-BCMA antibody fragment to detect the plasma cells; a 4-1BB costimulatory molecule to support the cell’s survival and proliferation; and a CD3γ signaling domain to release cancer-killing chemicals. William A. Haseltine, Forbes, 23 Feb. 2023 Both require the extraction and modification of patient cells to target B cell maturation antigen (BCMA), a biological tag found on the surface of mature plasma cells. William A. Haseltine, Forbes, 23 Feb. 2023 Beyond his beloved brisket tacos, an open-hearted Zavala talks about his 2019 diagnosis of multiple myeloma, a plasma cell cancer. Dallas News, 21 Nov. 2022 In this cancer, a type of white cell called a plasma cell creates abnormal fibers that can break down and form the characteristic saw-toothed fibers of amyloidosis. New York Times, 28 July 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'plasma cell.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1895, in the meaning defined above

Time Traveler
The first known use of plasma cell was in 1895

Dictionary Entries Near plasma cell

Cite this Entry

“Plasma cell.” Dictionary, Merriam-Webster, Accessed 20 Apr. 2024.

Medical Definition

plasma cell

: a lymphocyte that is a mature antibody-secreting B cell

More from Merriam-Webster on plasma cell

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