Sterols: An important class of organic molecules. They occur naturally in plants, animals, and fungi, with the most familiar type of animal sterol being cholesterol. Vitamin D is made from sterols. Cholesterol is vital to cellular function, and a precursor to steroid hormones.
Source: RDCRN (NCATS/NIH)1
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Sterols: Steroids with a hydroxyl group at C-3 and most of the skeleton of cholestane. Additional carbon atoms may be present in the side chain. (Iupac Steroid Nomenclature, 1987)2
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- Source: RDCRN (NCATS/NIH): rarediseasesnetwork.org/ cms/ stair/ Learn-More/ Glossary
- Source: MeSH (U.S. National Library of Medicine)
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