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B lymphocyte

DEFINITIONS OF: B lymphocyte

1

n 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

Synonyms:
B cell
Type of:
lymph cell, lymphocyte
an agranulocytic leukocyte that normally makes up a quarter of the white blood cell count but increases in the presence of infection
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