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 ?
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.
This was accompanied by hyperplasia of the normal T lymphocyte population in his bone marrow.
Pulmonary sarcoidosis: A disorder mediated by excess helper T lymphocyte activity at sites of disease activity.
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].
The Universite Louis Pasteur researchers tested the response of newborn mice to each type of T lymphocyte and to both together.
Long-lived cytotoxic T lymphocyte memory in mucosal tissues after mucosal but not systemic immunization.
All the volunteers had T lymphocyte counts in the normal or near-normal range, a sign that the virus had yet to gain an edge on the immune system.