Medical dictionary. 2011.
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allergy — 1. Hypersensitivity caused by exposure to a particular antigen (allergen) resulting in a marked increase in reactivity to that antigen upon subsequent exposure, sometimes resulting in harmful immunologic consequences. SYN: acquired sensitivity,… … Medical dictionary
pathergy — Those reactions resulting from a state of altered activity, both allergic (immune) and nonallergic. [G. pathos, disease, + ergon, work] * * * path·er·gy path ər jē n, pl gies an abnormal response to an allergen including both abnormally mild and… … Medical dictionary
List of AIDS-related topics — This is a list of AIDS related topics, many of which were originally taken from the public domain U.S. Department of Health Glossary of HIV/AIDS Related Terms, 4th Edition. [http://www.aidsinfo.nih.gov/ed resources/glossary/] NOTOC A AACTG… … Wikipedia
antibody — An immunoglobulin molecule produced by B lymphoid cells with a specific amino acid sequence evoked in humans or other animals by an antigen (immunogen). These molecules are characterized by reacting specifically with the antigen in some… … Medical dictionary