B lymphocyte: an immunologically important lymphocyte that is not thymus dependent, is short-lived, and resembles the bursa-derived lymphocyte of birds in that it is responsible for the production of immunoglobulins; i.e., it is the precursor of the plasma cell and expresses surface immunoglobulins (SIGS) but does not release them. It does not play a direct role in cell-mediated immunity. B lymphocyte can be characterized immunophenotypically by CD19 surface markers.T lymphocyte. SYN: B cell (2).
Source: Stedman's Medical Spellchecker, © 2006 Lippincott Williams & Wilkins. All rights reserved.
B lymphocyte: A white blood cell that comes from bone marrow. As part of the immune system, B lymphocytes make antibodies and help fight infections. Also called B cell.
Source: National Institute of Health
B lymphocyte: lymphoid cells concerned with humoral immunity; they are short lived cells resembling bursa derived lymphocytes of birds in their production of immunoglobulin upon appropriate stimulation.
Source: CRISP
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Source - CRISP
Source: CRISP
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