Medical Dictionary

exotoxin

noun exo·tox·in \ˌek-sō-ˈtäk-sən\

Medical Definition of EXOTOXIN

:  a soluble poisonous substance produced during growth of a microorganism and released into the surrounding medium <tetanus exotoxin>—compare endotoxin
exo·tox·ic \-ˈtäk-sik\ adjective

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