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Encyclopedia Britannica
Related terms:
basidiomycota
mitosporic fungi
fungi
microsporidia
Fungus
yeast Audio
yeast [ yeest ]
Subclass of:
Fungi
Definitions related to yeasts:
  • Any of various single-celled ascomycetes, basidiomycetes and imperfect fungi with little or no mycelium development that asexually reproduce by budding. They ferment sugars to produce alcohol and carbon dioxide.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • A unicellular fungus that reproduces by mitosis or budding.
    NICHD Pediatric Terminology
    U.S. National Cancer Institute, 2021
  • Imprecise term used to refer to a member of one of the two largest groupings of fungi (the other being molds); yeasts are single-celled, usually rounded fungi that produce by budding (blastospore formation) or fission.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Various single-celled members of the fungal families, ascomycetes, basidiomycetes and imperfect fungi that tend to be unicellular for the greater part of their life cycle.
    NCI
    U.S. National Cancer Institute, 2021
  • A general term for single-celled rounded fungi that reproduce by budding. Brewers' and bakers' yeasts are SACCHAROMYCES CEREVISIAE; therapeutic dried yeast is YEAST, DRIED.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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