Vitamin
ergosterol Audio
er·gos·ter·ol [ ur-gos-tuh-rohl, -rawl ]
Subclass of:
Cholestenes
Etymology:
Old French argot = a spur + Greek stereos = solid + Latin oleum = oil
Definitions related to ergosterol:
  • A steroid occurring in FUNGI. Irradiation with ULTRAVIOLET RAYS results in formation of ERGOCALCIFEROL (vitamin D2).
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Sterol occurring mainly in yeast and forming ergocalciferol (vitamin D2) upon irradiation by ultraviolet light or electron bombardment.
    CRISP Thesaurus
    National Institutes of Health, 2006
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