desmosterol

5α-Cholesta-5,24-diene-3β-ol; postulated intermediate in cholesterol biosynthesis from lanosterol via zymosterol; accumulates after prolonged administration of substances interfering with cholesterol biosynthesis. SYN: 24-dehydrocholesterol.

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des·mos·ter·ol dez-'mäs-tə-.rȯl, -.rōl n a precursor C27H43OH of cholesterol that tends to accumulate in blood serum when cholesterol synthesis is inhibited called also 24-dehydrocholesterol

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des·mos·ter·ol (des-mosґtər-ol) the immediate precursor of cholesterol in the biosynthetic pathway, 24-dehydrocholesterol; normally not present in the blood in amounts that can be detected by ordinary means.

Medical dictionary. 2011.

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