Canadian Medical Guide > Diseases > Immunologic Diseases > Hypersensitivity > Immune Complex Diseases > Arthus Reaction Terms and Definitions




Arthus Reaction

Medical Definition: A dermal inflammatory reaction produced under conditions of antibody excess, when a second injection of antigen produces intravascular antigen-antibody complexes which bind complement, causing cell clumping, endothelial damage, and vascular necrosis.
Guide Notes: note category; an inflamm skin reaction to antibody excess

Arthus Reaction Medical Definitions and Terms

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