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Definition of Schick test
1. Noun. A skin test for immunity to diphtheria.
Medical Definition of Schick test
1. A test for susceptibility to Corynebacterium diphtheriae toxin: 0.1 ml of Schick test toxin is injected into the skin of one forearm (test site) and the same quantity of the same, but heat-inactivated, material into the skin of the other forearm (control site); individuals with toxin-neutralizing antibodies either will have no reaction at either injection site (negative test) or may have a pseudoreaction due to antibodies for substances (antigens) in the test materials other than diphtheria toxin; individuals lacking toxin-neutralizing antibodies may have a positive reaction, which consists of an area of redness appearing 24 to 36 hours at the test site only and persisting for 4 to 5 days. Synonym: Schick method. (05 Mar 2000)
Lexicographical Neighbors of Schick Test
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