A false reaction; one not due to specific causes in a given test. ... (05 Mar 2000) ... 
(soo″do-re-ak´shәn) a false or deceptive reaction; in intradermal skin tests, a reaction not due to the specific test substance but to protein in the medium employed in producing the toxin.
Type: Term Pronunciation: sū′dō-rē-ak′shŭn Definitions: 1. A false reaction; one not due to specific causes in a given test.