All you need to know about Cholesterol.

  panther
  karma level 67064

Cholesterol, from the Greek chole- (bile) and stereos (solid) followed by the chemical suffix -ol for an alcohol, is an organic chemical substance classified as a waxy steroid of fat. It is an essential structural component of mammalian  cell membranes and is required to establish proper  membrane permeability and fluidity.


In addition to its importance within cells, cholesterol also serves as a precursor for the biosynthesis of steroid  hormones, bile acids, and vitamin D. Cholesterol is the principal sterol synthesized by animals; in vertebrates it is formed predominantly in the liver. Small quantities are synthesized in other cellular organisms (eukaryotes) such as plants and fungi. It is almost completely absent
among prokaryotes (i.e., bacteria).
Although cholesterol is important and necessary for human health, high levels of cholesterol in the blood have been  linked to damage to arteries and cardiovascular disease.





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