What does B lymphocyte mean?
• B LYMPHOCYTE (noun) The noun B LYMPHOCYTE has 1 sense: 1. 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 Familiarity information: B LYMPHOCYTE used as a noun is very rare.