from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of, relating to, or producing a toxic effect on cells.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. of, relating to, or being a cytotoxin
  • adj. of or relating to cytotoxicity

from The Century Dictionary and Cyclopedia

  • Effecting the destruction of cells: applied to the action of special cytotoxins.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. of or relating to substances that are toxic to cells


Sorry, no etymologies found.


  • The immune system, sensing trouble, then sends forth white blood cells called cytotoxic lymphocytes, or CTLs, to destroy the affected cells.

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  • CD8+ cells — also called cytotoxic T-lymphocytes (CTLs) — matter because, among other actions, they kill cells that become infected with HIV.

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  • Yervoy works by blocking a protein on the surface of T cells, the soldiers of the immune system, called cytotoxic T-lymphocyte antigen 4, or CTLA-4.

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  • It works by blocking a molecule known as cytotoxic T-lymphocyte antigen or CTLA-4, which is believed to play a role in hampering the ability of the body's immune system to fight cancerous cells.

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  • One called helper T cells and the other called cytotoxic T cells

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  • In addition to expediting the compounding process and enhancing patient safety, RIVA has notably improved work and safety conditions for hospital staff, reducing their exposure to a multitude of drug compounds - namely cytotoxic drugs.


  • Immune cells, called cytotoxic or killer T cells, for example, express T-cell receptors that bind to the MHC head domain and the bound peptide. - Articles related to Scientists uncover mysterious workings of cholera bacteria

  • When white blood cells known as cytotoxic T lymphocytes (CTLs) spot certain combinations of HLA molecules and viral epitopes, they attack the infected cells.

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  • The body also makes cells, known as cytotoxic T-cells, which secrete antiviral chemicals that kill infected cells and clear the virus from the body.

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  • The researchers developed a unique way to "watch" what happens in the brain of mice infected with LCMV by tagging immune cells known as cytotoxic T lymphocytes (CTLs) - also known as killer T cells-with proteins that shine a fluorescent green.

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