B cell
Definition of B cell
: any of the lymphocytes that have antigen-binding antibody molecules on the surface, that comprise the antibody-secreting plasma cells when mature, and that in mammals differentiate in the bone marrow : b lymphocyte The glycoproteins produced by B cells, called antibodies or immunoglobulins, recognize and bind free antigens and are responsible for humoral immunity … — Haruo Saito et al. … helper T cells that induce the proliferation of the antibody-producing B cells. — N. A. Mitchison … patients have no mature B cells circulating in the bloodstream and no antibodies to fight off infections. — Jean Marx — compare t cell
Indulge Your Inner Word Nerd
Origin and Etymology of b cell
B probably from bursa-derived (produced by the bursa of Fabricius
Medical Dictionary
B cell
Medical Definition of B cell
: any of the lymphocytes that have antigen-binding antibody molecules on the surface, that comprise the antibody-secreting plasma cells when mature, and that in mammals differentiate in the bone marrow—called also B lymphocyte; compare t cell
Learn More about b cell
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Britannica.com: Encyclopedia article about B cell
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