| / English Dictionary |
STEROL
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Any of a group of natural steroid alcohols derived from plants or animals; they are waxy insoluble substances
Synonyms:
steroid alcohol; sterol
Classified under:
Hypernyms ("sterol" is a kind of...):
alcohol (any of a series of volatile hydroxyl compounds that are made from hydrocarbons by distillation)
steroid (any of several fat-soluble organic compounds having as a basis 17 carbon atoms in four rings; many have important physiological effects)
Hyponyms (each of the following is a kind of "sterol"):
cholesterin; cholesterol (an animal sterol that is normally synthesized by the liver; the most abundant steroid in animal tissues)
ergosterol (a plant sterol that is converted into vitamin D by ultraviolet radiation)
Context examples:
The hydrochloride salt form of boxidine, an agent that inhibits the transformation of 7-dehydrocholesterol to cholesterol and also inhibits sterol absorption.
(Boxidine Hydrochloride, NCI Thesaurus)
An agent that inhibits the transformation of 7-dehydrocholesterol to cholesterol and also inhibits sterol absorption.
(Boxidine, NCI Thesaurus)
A genus of nonmotile facultatively anaerobic bacteria that lack a true cell wall, are gram-negative, and require sterol for growth.
(Mycoplasma, NCI Thesaurus)
A hydrochloride salt form of azacosterol, a sterol derivative of cholesterol that acts as a hypocholesteremic.
(Azacosterol Hydrochloride, NCI Thesaurus)
A taxonomic family of parasitic and pathogenic bacterium, which require sterols to grow, in the phylum Tenericutes that includes the genera Mycoplasma and Ureaplasma.
(Mycoplasmataceae, NCI Thesaurus)
Although the exact mechanism through which naftifine hydrochloride exerts its effect is unknown, it appears to selectively inhibit the enzyme squalene 2,3-epoxidase, thereby inhibiting the biosynthesis of sterol.
(Naftifine Hydrochloride, NCI Thesaurus)
The condensation product of coenzyme A and acetic acid which participates in the biosynthesis of fatty acids and sterols, in the oxidation of fatty acids and in the metabolism of many amino acids.
(Acetyl Coenzyme A, NCI Thesaurus)
Natamycin exerts its antifungal effects by binding to sterols in the fungal cell membrane thereby increasing membrane permeability.
(Natamycin, NCI Thesaurus)
Ketoconazole inhibits sterol 14-a-dimethylase, a microsomal cytochrome P450-dependent enzyme, thereby disrupting synthesis of ergosterol, an important component of the fungal cell wall.
(Ketoconazole, NCI Thesaurus)
They comprise the fats, fatty oils, essential oils, waxes, sterols, phospholipids, glycolipids, sulfolipids, aminolipids, chromolipids (lipochromes), and fatty acids.
(Lipid, NLM, Medical Subject Headings)
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