Medical Dictionary


noun an·ti·tox·in \ˌant-i-ˈtäk-sən\

Medical Definition of ANTITOXIN

:  an antibody that is capable of neutralizing the specific toxin (as a specific causative agent of disease) that stimulated its production in the body and is produced in animals for medical purposes by injection of a toxin or toxoid with the resulting serum being used to counteract the toxin in other individuals; also :  an antiserum containing antitoxins


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