Cholestanes
| Medical Definition: |
Derivatives of the saturated steroid cholestane with methyl groups at C-18 and C-19 and an iso-octyl side chain at C-17. |
| Guide Notes: |
do not confuse with CHOLESTENES |
Cholestanes Categories.
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Cholestanols - Cholestanes substituted in any position with one or more hydroxy groups. They are found in feces and bile. In contrast to bile acids and salts, they are not reabsorbed. |
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Cholestanones - CHOLESTANES substituted with any number of keto groups. |
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Cholestenes - Steroids with methyl groups at C-10 and C-13 and a branched 8-carbon chain at C-17. Members include compounds with any degree of unsaturation; however, CHOLESTADIENES is available for derivatives containing two double bonds. |
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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) |
Cholestanes Medical Definitions and Terms
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