plasma cell

noun

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

Examples of plasma cell in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Multiple myeloma is a blood cancer that develops in plasma cells in the bone marrow, according to the Multiple Myeloma Research Foundation. — Angel Saunders, PEOPLE, 3 July 2026 The treatment uses mRNA technology, similar to that used in COVID‑19 vaccines, to provide temporary instructions for T cells to target cells expressing BCMA, a protein found on antibody-producing plasma cells. — William A. Haseltine, Forbes.com, 6 Feb. 2026 An explanation about plasma cells’ purpose, for example, doesn’t require any context about individual circumstances; the answer will be the same regardless of your age, gender, and general health condition. — Angela Haupt, Time, 2 Oct. 2025 Multiple myeloma is a chronic (long-term) blood cancer that affects plasma cells made in the bone marrow, which is spongy tissue found inside bones. — Lindsay Curtis, Health, 14 Sep. 2025 See All Example Sentences for plasma cell

Word History

First Known Use

1895, in the meaning defined above

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

Rhymes for plasma cell

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Browse Nearby Words

plasma
plasma cell
plasmagel
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Cite this Entry

“Plasma cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plasma%20cell. Accessed 10 Jul. 2026.

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Medical Definition

plasma cell

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

More from Merriam-Webster on plasma cell

Britannica.com: Encyclopedia article about plasma cell

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