[ kraws-ree-ak-shuh n-kros- ]
/ ˈkrɔs riˈæk ʃənˈkrɒs- /
an immunologic reaction between a given antigen and an antibody or lymphokine that is specific for a different antigen resembling the first one.
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Origin of cross-reaction
First recorded in 1945–50
Related formscross-re·ac·tive, adjectivecross-re·ac·tiv·i·ty, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Medicine definitions for cross reaction
A specific reaction between an antiserum and an antigen complex other than the complex that caused the production of the specific antibodies of the antiserum.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.