• Question: What are T cells?

    Asked by Diti to Francis on 13 Mar 2018. This question was also asked by Paulito2005.
    • Photo: Francis Man

      Francis Man answered on 13 Mar 2018:

      They are a class of immune cells which have a particular structure on their surface called a TCR (for T-cell receptor). They’re very good at activating other immune cells, and killing infected or cancerous cells.