- ste·rig·ma·to·cys·tin stə-.rig-mət-ō-'sis-tin n a mycotoxin produced by an ascomycete of the genus Aspergillus (A. versicolor)
* * *ste·rig·ma·to·cys·tin (stə-rig″mə-to-sisґtin) a mycotoxin produced by Aspergillus versicolor, which sometimes contaminates corn; it is hepatotoxic and carcinogenic.
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