pseu·​do·​re·​ac·​tion -rē-ˈak-shən How to pronounce pseudoreaction (audio)
: a reaction following the injection of a toxin (as in the Schick test) which is caused by something (as impurities in the test medium) other than the toxin itself

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Cite this Entry

“Pseudoreaction.” Medical Dictionary, Merriam-Webster, Accessed 21 May. 2024.

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