Definition of B-lymphocyte in English:



  • A lymphocyte not processed by the thymus gland, and responsible for producing antibodies.

    Compare with T-lymphocyte
    Also called B-cell
    • ‘Those cells that may eventually become potentially cancerous produce abnormal protein, which triggers the B-lymphocytes to form an army of antibodies to destroy the mutated cancer cells.’
    • ‘Some of the immature cells remain in the bone mar row for the rest of their development, however, and they become B-lymphocytes.’
    • ‘The antibody on B-lymphocytes recognizes and binds foreign proteins, polysaccharides, or lipids in soluble form.’
    • ‘The appendix, in conjunction with other parts of the body which also contain cells called B-lymphocytes, manufactures several types of antibodies.’
    • ‘The measles virus has been shown by researchers to be present in the tumor cells of patients suffering from Hodgkin's lymphoma, a cancer of the body's antibody-producing B-lymphocytes.’


B for bursa, referring to the organ in birds where it was first identified.