B lymphocyte


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, in the meaning defined above

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The first known use of B lymphocyte was in 1971

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Cite this Entry

“B lymphocyte.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/B%20lymphocyte. Accessed 25 Oct. 2021.

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More Definitions for B lymphocyte

B lymphocyte

B lym·​pho·​cyte | \ ˈbē-ˈlim(p)-fə-ˌsīt How to pronounce B lymphocyte (audio) \

Medical Definition of B lymphocyte

: b cell


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