exotoxin

English Thesaurus

1. a toxin that is secreted by microorganisms into the surrounding medium (noun.substance)

hypernym	:	toxin,
definition	:	a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species (noun.substance)

antonym	:	endotoxin,
definition	:	a toxin that is confined inside the microorganisms and is released only when the microorganisms are broken down or die (noun.substance)

antonym	:	endotoxin,
definition	:	a toxin that is confined inside the microorganisms and is released only when the microorganisms are broken down or die (noun.substance)