Cytotoxic T cell

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Definition

noun

A T cell expressing CD8 receptor, and involved in inducing death of infected somatic cells and cancer cells.


Supplement

This type of T cell has CD8 receptor that can recognize antigen on the surface of a host cell infected with virus and other pathogens. Infected cells are subsequently killed by cytotoxic T cell.


Also called:

  • TC,
  • CTL
  • T-Killer cell
  • cytolytic T cell
  • CD8+ T-cell
  • killer T cell
  • killer cell
  • K cell

See also:T cell