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B cell |
Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson | 0.01 sec. |
B cellOne of the two types of lymphocytes (the others being T cells). All lymphocytes begin their development in the bone marrow. B cells are involved in so-called humoral immunity; on encountering a foreign substance (antigen), the B lymphocyte differentiates into a plasma cell, which secretes immunoglobulin (see antibody). B cell [′bē ‚sel] (immunology) One of a heterogeneous population of bone-marrow-derived lymphocytes which participates in the immune responses. Also known as B lymphocyte. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Blood cells that perform different jobs - such as antibody-producing B-cells, or invader-gobbling macrophages - wear different CD-protein uniforms, which are assigned a number as they are found by immunologists. |
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