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T cell
(redirected from T lymphocytes)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.03 sec.

T cell

With the B cell, one of the two main types of white blood cell, essential parts of the immune system. T cells originate in the bone marrow, mature in the thymus, and travel in the blood to other lymphoid tissues, such as the spleen, tonsils, and lymph nodes. Through receptor molecules on their surfaces, T cells directly attack invaders (antigens) by binding to them and helping remove them from the body. Because the body contains millions of T and B cells, many of which carry unique receptors, it can respond to virtually any antigen. See also antibody, immunology.


T cell [′tē ‚sel]
(immunology)
One of a heterogeneous population of thymus-derived lymphocytes which participates in the immune responses. Also known as T lymphocyte.


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? Mentioned in ? References in periodicals archive
 
Sepsis-induced apoptosis causes progressive profound depletion of B and CD4+ T lymphocytes in humans.
Phenotypic and functional analysis of human T lymphocytes in early second- and third-trimester fetuses.
This cytokine ordinarily is produced by helper T lymphocytes, and it is important in the regulation of immune reactions.
 
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