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