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Meaning of B cell

B cell

Pronunciation: [key]
— Biol. Biol.
  1. Also calleda type of lymphocyte, developed in bone marrow, that circulates in the blood and lymph and, upon encountering a particular foreign antigen, differentiates into a clone of plasma cells that secrete a specific antibody and a clone of memory cells that make the antibody on subsequent encounters.
  2. Also calleda cell in the islet of Langerhans that produces and secretes insulin.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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