B cell: Meaning and Definition of
— Biol. Biol.
- 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.
- Also calleda cell in the islet of Langerhans that produces and secretes insulin.
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