Immuneresponse

Immune System Timeline

  • Step 1

    Step 1
    A food allergen is eaten for the first time.
  • Step 2

    a IgE antibody is formed and attaches itself to cells found in the tissues in cells all over the body. An antibody is a protein that detects harmful substances.
  • Step 3

    Now the body is primed for that allergen if it enters the body again.
  • Step 4

    Step 4
    The allergen is eaten again.
  • Step 5

    The allergen binds to IgE antibodies and sends out signals for the body to release large amounts of histamine, which are compounds that trigger immune response.
  • Step 6

    Irritation and swelling will occur in certain areas of the body, also known as an allergic reaction.