definitions

cross-reaction

[ kraws-ree-ak-shuh n-kros- ]
/ ˈkrɔs riˈæk ʃənˈkrɒs- /

noun

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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Nearby words

cross-purpose, cross-question, cross-react, cross-reacting agglutinin, cross-reacting antibody, cross-reaction, cross-refer, cross-reference, cross-resistance, cross-section, cross-sectional study

Origin of cross-reaction

First recorded in 1945–50

Related forms

cross-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

cross reaction

n.

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.