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.
Cancerous plasma cells reduce the production of the white blood cells that support your immune system. — Anna Giorgi, Verywell Health, 22 July 2025 The condition is a cancer that forms in a type of white blood cell called a plasma cell, according to the Mayo Clinic. — Colson Thayer, PEOPLE, 4 Feb. 2026 Healthy plasma cells help fight infections by making proteins called antibodies. — Megan Cartwright, MSNBC Newsweek, 8 Sep. 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 7 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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