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B lymphocytealso B-lym·pho·cyte (bē′lĭm′fə-sīt′)
See B cell.
1. Also called B lymphocyte. a type of white blood cell that circulates in the blood and lymph and produces antibody upon encountering any antigen that has a molecular arrangement complementary to the antibody.
2. beta cell.
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|Noun||1.||B lymphocyte - a lymphocyte derived from bone marrow that provides humoral immunity; it recognizes free antigen molecules in solution and matures into plasma cells that secrete immunoglobulin (antibodies) that inactivate the antigens|