SYN: extracellular enzyme.
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n.
an enzyme that acts outside the cell that produced it. Examples of exoenzymes are the digestive enzymes.
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exo·en·zyme (ek″so-enґzīm) an enzyme that acts outside of the cells in which it originates; called also ectoenzyme and extracellular enzyme. Cf. endoenzyme.Medical dictionary. 2011.