| NOUN | substance | exotoxin | a toxin that is secreted by microorganisms into the surrounding medium |
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| Meaning | A toxin that is secreted by microorganisms into the surrounding medium. | |
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| Broader | toxin | A poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species |
| Opposite | endotoxin | A toxin that is confined inside the microorganisms and is released only when the microorganisms are broken down or die |
| Spanish | exotoxina | |
| Catalan | exotoxina | |
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