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Skin test
Pronunciation
Definition 1
A test for an immune response to a compound by placing it on or under the skin. (NCI Dictionary)
Definition 2
A preparation of an antigenic component of an infectious agent that is administered to a patient in order to determine whether previous exposure to the agent has occurred, and/or to assess the integrity of the patient's cellular immune system. Depending on the clinical situation, the appearance of a delayed (cellular) hypersensitivity response, which manifests as an area of induration and erythema at the injection site, i.e. a positive test result, may indicate previous exposure to a particular infectious agent. (NCI Thesaurus)
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