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Hypersensitivity, Immediate

Hypersensitivity reactions which occur within minutes of exposure to challenging antigen due to the release of histamine which follows the antigen-antibody reaction and causes smooth muscle contraction and increased vascular permeability.

Year introduced: 1966(1965)

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Tree Number(s): C20.543.480

MeSH Unique ID: D006969

Entry Terms:

  • Hypersensitivities, Immediate
  • Immediate Hypersensitivities
  • Immediate Hypersensitivity
  • IgE-Mediated Hypersensitivity
  • Hypersensitivities, IgE-Mediated
  • Hypersensitivity, IgE-Mediated
  • IgE Mediated Hypersensitivity
  • IgE-Mediated Hypersensitivities
  • Hypersensitivity, Type I
  • Hypersensitivities, Type I
  • Type I Hypersensitivities
  • Atopic Hypersensitivity
  • Atopic Hypersensitivities
  • Hypersensitivities, Atopic
  • Hypersensitivity, Atopic
  • Type I Hypersensitivity

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