B lymphocyte

noun

Definition of B lymphocyte

: 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 cell
  • After contacting antigens, cells known as B lymphocytes mature and produce antibodies.
  • —David Baltimore and Carole Heilman
  • With lupus erythematosus, an autoimmune condition …, the B lymphocytes go out of control and begin producing all types of antibodies, which then begin to attack the body's immune cells.
  • —Betsy Sikora Siino
— compare t lymphocyte

First Known Use of b lymphocyte

1971


Medical Dictionary

B lymphocyte

noun B lym·pho·cyte \ ˈbē-ˈlim(p)-fə-ˌsīt \

medical Definition of B lymphocyte

: b cell

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