| NOUN | body | B cell, B lymphocyte | a lymphocyte derived from bone marrow that provides humoral immunity |
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| Meaning | 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. | |
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| Synonym | B lymphocyte | |
| Broader | lymphocyte, lymph cell | An agranulocytic leukocyte that normally makes up a quarter of the white blood cell count but increases in the presence of infection |
| Spanish | linfocito B | |
| Catalan | Limfòcit B | |
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