TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

TOXIC PRECIPITIN REACTION [1 record]

Record 1 1993-03-22

English

Subject field(s)
  • Immunology
DEF

(Gell and Coombs classification) : Type 3 reactions are initiated by antigen-antibody complexes formed either at the site of tissue damage (Arthus reactions) or localizing from the circulation (soluble immune complex reactions).

French

Domaine(s)
  • Immunologie
DEF

Réaction d'immunité humorale. La combinaison antigène-anticorps susceptible de fixer le complément forme des immuncomplexes qui se déposent dans les parois vasculaires où ils provoquent une inflammation (phénomène d'Arthus). Les anticorps sont des IgG ou des IgM de type précipitant; les manifestations pathologiques apparaissent après quelques heures et la réaction est dite semi-retardée. En clinique, les alvéolites allergiques, la maladie sérique, certaines urticaires et glomérulonéphrites, le lupus érythémateux sont causés par réaction de type III.

Spanish

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