• Question: What is an antigen?

    Asked by Nico ;-) to Sian, Ben on 8 Mar 2018.
    • Photo: Sian Richardson

      Sian Richardson answered on 8 Mar 2018:

      Pathogens/chemicals that are foreign to the body and cause an immune response are called antigens. Certain white blood cells, called lymphocytes, can produce specific antibodies to kill a particular pathogen.

    • Photo: Ben Mulhearn

      Ben Mulhearn answered on 9 Mar 2018:

      I would agree. You can even substitute ‘antigen’ for the word ‘target’, and thinking of them as targets of the immune system makes it easier to understand.

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