Clostridium perfringens(redirected from Welch bacillus)
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Clostridium perfringens[klä‚strid·ē·əm pər′frin·jənz]
A spore-forming, toxin-producing bacterium that can contaminate meat left at room temperature. The ingested cells release toxin in the digestive tract, resulting in cramps and diarrhea.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.