T-cells

A type of lymphocyte which matures in the thymus and plays a vital role in cell-mediated immunity

There are several types of T cell including:

• Helper cell
  • Activates Tc cells and macrophages.
• Cytotoxic cell
  • Attacks cancer or virus infected cells.
• Memory cell
• Regulatory cell - Treg cytokines inhibit the response of T helper cells

• Natural Killer cell

Recognise major histocompatibility complexes (MHC). Can recognise some cancer cells and virus-infected cells.