ImmuneSystemTimeline_KevinCreamer

  • The beginning

    An allergen enters the body. An allergen is a substance that causes an allergic reaction.
  • The Start

    The Start
    The first time one eats an allergen, an Ige antibody is made. An outward reaction is not seen until the allergen is introduced again to the body.
  • The preparation

    The Ige antibody attaches itself to cells in the tissues in the cells of the body. The body is prepared to react when the allergen enters the body again.
  • The Second Encounter

    The allergen is encountered by the body again.
  • The Response

    The body sends out Ige antibodies to attack the allergen.
  • The Reaction

    The Ige antibodies send out signals for the body to release histamine. This causes irritation and swelling, an alergic reaction.