exotoxin

exotoxin definition - medical

ex·o·tox·in (ĕkˌsō-tŏkˈsĭn)

noun
A toxin secreted by a microorganism and released into the environment in which it grows. Also called extracellular toxin.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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