cholesterol

noun cho·les·ter·ol \ kə-ˈles-tə-ˌrōl , -ˌrȯl \

Definition of cholesterol

:a steroid alcohol C27H45OH that is present in animal cells and body fluids, regulates membrane fluidity, and functions as a precursor molecule in various metabolic pathways and as a constituent of LDL may cause atherosclerosis — compare bad cholesterol, good cholesterol

Examples of cholesterol in a Sentence

  1. Did your doctor check your cholesterol?

Recent Examples of cholesterol from the Web

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Origin and Etymology of cholesterol

International Scientific Vocabulary, from chol- + Greek stereos solid

Other Biochemistry Terms



Medical Dictionary

cholesterol

noun cho·les·ter·ol \ kə-ˈles-tə-ˌrōl, -ˌrȯl \

medical Definition of cholesterol

:a steroid alcohol C27H45OH that is present in animal cells and body fluids, regulates membrane fluidity, functions as a precursor molecule in various metabolic pathways, and as a constituent of LDL may cause atherosclerosis
  • Cholesterol is a lipid present in the cell membrane and subcellular organelles of tissues throughout the body. … In addition, cholesterol serves as the building block for all steroid hormones including cortisol, aldosterone, estrogen, and testosterone.
  • —Sarah de Ferranti and David S. LudwigThe New England Journal of Medicine25 Sept. 2008
  • … the drug reduces the production of cholesterol in the liver, decreasing the amount of artery-clogging cholesterol circulating in the bloodstream.
  • Newsweek8 Dec. 1986

Illustration of cholesterol



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