exaggerated allergic reaction to a foreign protein resulting from previous exposure to it.
Related formsan·a·phy·lac·tic [an-uh-fuh-lak-tik] /ˌæn ə fəˈlæk tɪk/, adjectivean·a·phy·lac·ti·cal·ly, adverban·ti·an·a·phy·lac·tic, adjective, nounpseu·do·an·a·phy·lac·tic, adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for anaphylaxis
Historical Examples of anaphylaxis
British Dictionary definitions for anaphylaxis
Derived Formsanaphylactic or anaphylactoid, adjectiveanaphylactically, adverb
extreme sensitivity to an injected antigen, esp a protein, following a previous injection
Word Origin for anaphylaxis
C20: from ana- + (pro) phylaxis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for anaphylaxis
Online Etymology Dictionary, © 2010 Douglas Harper
n. pl. an•a•phy•lax•es (-lăk′sēz)
Related formsan′a•phy•lac′tic (-lăk′tĭk) adj.
Hypersensitivity induced by preliminary exposure to a substance and usually producing a contraction of smooth muscle and a dilation of blood vessels.
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