noun.
Any of a group of predominantly unsaturated solid alcohols of the steroid group, such as cholesterol and ergosterol, present in the fatty tissues of plants and animals.
noun.
any member of a class of steroids containing a hydroxylgroup in the 3-position of the A-ring; they are found in all animal and planttissue and play an importantrole in hormonechemistry
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
any of a group of natural steroid alcohols derived from plants or animals; they are waxy insoluble substances
Word Usage
"Cerebrotendinous Xanthomatosis (CTX) is a rare, autosomal recessive metabolic disorder caused by mutations in a gene called CYP27A1, which produces an enzyme called sterol 27-hydroxylase."