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

Multiple myeloma is a cancer of plasma cells, which are found in bone marrow and are a vital part of the immune system, according to the American Cancer Society. — Chris Jordan, USA Today, 4 Aug. 2026

Ferrero’s illness stemmed from the abnormal proteins produced by her plasma cells, which seeped out of her blood vessels and accumulated in her tissues. — Sacbee.com, 4 Aug. 2026

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

Word History

First Known Use

1895, in the meaning defined above

Rhymes for plasma cell

• bagatelle
• calomel
• caravel
• carousel
• carrousel
• citadel
• clientele
• commonweal
• coronel
• decibel
• demoiselle
• fontanelle

Medical Definition

plasma cell

noun

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