cytotoxic T cell

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cytotoxic T cell

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

killer T cell


n.
a killer cell that destroys target cells only when specifically activated by helper T cells.
Compare natural killer cell.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cytotoxic 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
T cell, T lymphocyte - a small lymphocyte developed in the thymus; it orchestrates the immune system's response to infected or malignant cells
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The number of CD4-positive T-lymphocytes was markedly increased compared to CD8-positive T-lymphocytes. Atypical T-lymphocytes were CD10-and B-cell lymphoma 6-(BCL6-) positive, indicative of T-follicular helper (TFH) phenotype (Figures 1(g) and 1(h)).
These agents reduce the activity of neutrophils, macrophages, and CD8-positive T-lymphocytes, as well as the expression of cytokines and other inflammatory mediators.
Use CD8-positive T-lymphocyte and monocyte counts to monitor children infected with HIV-1 for the development of progressive encephalopathy, said Dr.