T lymphocyte


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Related to T lymphocyte: B lymphocyte, Cytotoxic T lymphocyte

T lymphocyte

n.
See T cell.

T cell



n.
any of several closely related lymphocytes, developed in the thymus, that circulate in the blood and lymph and regulate the immune system's response to infected or malignant cells. Also called T lymphocyte.
[1965–70; T(hymus-derived)]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.T lymphocyte - a small lymphocyte developed in the thymus; it orchestrates the immune system's response to infected or malignant cells
lymph cell, lymphocyte - an agranulocytic leukocyte that normally makes up a quarter of the white blood cell count but increases in the presence of infection
CD4 cell, CD4 T cell, helper cell, helper T cell - T cell with CD4 receptor that recognizes antigens on the surface of a virus-infected cell and secretes lymphokines that stimulate B cells and killer T cells; helper T cells are infected and killed by the AIDS virus
CD8 cell, CD8 T cell, cytotoxic T cell, killer cell, killer T cell - T cell with CD8 receptor that recognizes antigens on the surface of a virus-infected cell and binds to the infected cell and kill it
References in periodicals archive ?
The heterogeneity of the CD4+ T lymphocyte population suggests a diversity of their functional activities.
The aim of the present study was to gain a comprehensive understanding of the alterations of T lymphocyte activation markers and selectins in preeclampsia.
Abnormalities in CD4+ T lymphocyte subsets in patients with common variable immunodeficiency.
(14) A combined supplementation of vitamin E and selenium significantly increased T lymphocyte proliferation, T helper cells, and interleukin-2 receptor production followed by PHA or LPS stimulation, and decreased hydrogen peroxide production in healthy individuals.
In addition to stimulating B lymphocytes, Th2 cells suppress the cytotoxic T lymphocyte response, decreasing the robustness of cell-mediated immunity.
Pulmonary sarcoidosis: A disorder mediated by excess helper T lymphocyte activity at sites of disease activity.
While CD39 produces ADP and AMP via ATP dephosphorylation, CD73 catabolizes AMP to produce adenosine, which inhibits T lymphocyte response and has an anti-inflammatory effect.
Furthermore, more recently, studies of direct modifications to T lymphocyte metabolic pathways demonstrated that metabolic reprogramming and lymphocyte activation are intricately linked, as cellular metabolism was found to be directly controlled by the signaling pathways that drive cell survival and activity [10].
These responses provide a cooperative action between the specific (T lymphocyte) and nonspecific (macrophage) elements of the immune system in defense against Listeria.
ENV-specific cytotoxic T lymphocyte responses in HIV seronegative health care workers occupationally exposed to HIV-contaminated body fluids.
Key words: allergy, asthma, dust mites, eosinophil, feed restriction; IgE, immune response, inflammation, lung, T lymphocyte, tumor necrosis factor-[Alpha].
Long-lived cytotoxic T lymphocyte memory in mucosal tissues after mucosal but not systemic immunization.