sterol


sterol
A steroid with one OH (alcohol) group; the systematic name s contain either the prefix hydroxy- or the suffix -ol, e.g., cholesterol, ergosterol.

* * *

ste·rol 'sti(ə)r-.ȯl, 'ste(ə)r-, -.ōl n any of various solid steroid alcohols (as cholesterol) widely distributed in animal and plant lipids

* * *

n.
one of a group of steroid alcohols. The most important sterols are cholesterol and ergosterol.

* * *

ster·ol (sterґol) [stereo- + -ol] any of a group of steroids with a long (8–10 carbons) aliphatic side-chain at position 17 and at least one alcoholic hydroxyl group, usually at position 3; sterols have lipidlike solubility. Examples are cholesterol and ergosterol.

Medical dictionary. 2011.

Look at other dictionaries:

  • sterol — STERÓL, steroli, s.m. (La pl.) Clasă de alcooli având o structură complexă, care se găsesc în alcătuirea multor vieţuitoare şi au un rol important în metabolismul organismului; (şi la sg.) substanţă din această clasă; sterină. – Din fr. stérol.… …   Dicționar Român

  • stérol — [ sterɔl ] n. m. • 1913; du suff. de cholestérol ♦ Biochim. Alcool polycyclique de masse moléculaire élevée, très répandu dans les règnes animal et végétal où il joue un rôle important. ⇒ cholestérol, ergostérol. Adj. STÉROLIQUE . ● stérol nom… …   Encyclopédie Universelle

  • sterol — [stir′ôl΄, ster′ôl΄; stir′ōl΄, ster′ōl΄] n. [< (CHOLE)STEROL] any of a group of solid cyclic unsaturated alcohols, as cholesterol, found in plant and animal tissues …   English World dictionary

  • sterol — ► NOUN Biochemistry ▪ any of a group of naturally occurring unsaturated steroid alcohols, typically waxy solids. ORIGIN independent usage of the ending of words such as CHOLESTEROL(Cf. ↑cholesterol) …   English terms dictionary

  • -sterol — sterol, suffix Biochem. (stərɒl) [f. cholesterol.] A formative element in the names of many sterols, as in ergosterol, phytosterol …   Useful english dictionary

  • Stérol — Noyau de base des stérols Cholestérol, un stérol. Un …   Wikipédia en Français

  • sterol — si·to·sterol; spi·na·sterol; sterol; …   English syllables

  • sterol — /ˈstɛrɒl/ (say sterol) noun any of a group of steroid alcohols derived from plants or animals, as cholesterol and ergosterol. {abstracted from (chole)sterol, (ergo)sterol} …   Australian English dictionary

  • Sterol — Strukturformel von Sterin (Sterol) Sterine, auch Sterole, sind eine Gruppe von biochemisch wichtigen Naturstoffen aus der Obergruppe der Steroide. Grundgerüst ist das Sterin, ein Steran mit einer 3β Hydroxygruppe. Nach ihrem Vorkommen lassen die… …   Deutsch Wikipedia

  • sterol — noun Etymology: International Scientific Vocabulary, from sterol (as in cholesterol) Date: 1913 any of various solid steroid alcohols (as cholesterol) widely distributed in animal and plant lipids …   New Collegiate Dictionary

  • Sterol — Sterols, or steroid alcohols are a subgroup of steroids with a hydroxyl group at the 3 position of the A ring. [cite journal |author=Fahy E, Subramaniam S, Brown HA, et al |title=A comprehensive classification system for lipids |journal=J. Lipid… …   Wikipedia