Hormone
pregnenolone
More Information:
ChemID; DrugBank; DailyMed; PDR
Definitions related to pregnenolone:
  • 21-carbon steroid, derived from cholesterol and found in steroid hormone-producing tissues.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • A 21-carbon steroid, derived from CHOLESTEROL and found in steroid hormone-producing tissues. Pregnenolone is the precursor to GONADAL STEROID HORMONES and the adrenal CORTICOSTEROIDS.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • An endogenous steroid hormone synthesized from cholesterol, which can act either as a neuroactive steroid or as a prohormone for progestogens, mineralocorticoids, glucocorticoids, androgens, estrogens, and the neuroactive steroids.
    NCI
    U.S. National Cancer Institute, 2021
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