The Immune Response to Food

By rachelkravitz
  • Step 1

    Step 1

    An allergen is consumed for the first time.
  • Period: to

    Allergic Reaction

  • Step 2

    An IgE antibody is formed and attaches itself to cells in tissues all over the body.This primes the body for the next time the allergen is eaten.
  • Step 3

    Step 3

    The allergen enters the body again.
  • Step 4

    Step 4

    The allergen binds to the IgE antibody.
  • Step 5

    Step 5

    It then sends out signals for the body to release large amounts of histamine.
  • Step 6

    Step 6

    The release of histamine triggers an allergic reaction, such as irriation or swelling.