passive cutaneous anaphylaxis
Definition: a reaction that occurs in the guinea pig when antiserum is injected into the skin and, 6–24 hours later, specific antigen and a dye such as Pontamine blue or Evans blue are inoculated intravenously; the size of the blue areas at the sites of the antibody injections is a measure of the degree of altered permeability to dye-bound albumin.
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