steroid alcohol,
sterol any of a group of natural steroid alcohols derived from plants or animals; they are waxy insoluble substances
hdl cholesterol the cholesterol in high-density lipoproteins; the `good' cholesterol; a high level in the blood is thought to lower the risk of coronary artery disease
Cholesterol is a waxy steroid metabolite found in the cell membranes and transported in the blood plasma of all animals. It is an essential structural component of mammalian cell membranes, where it is required to establish proper membrane permeability and fluidity. In addition, cholesterol is an important component for the manufacture of bile acids, steroid hormones, and fat-soluble vitamins including Vitamin A, Vitamin D, Vitamin E, and Vitamin K.
OmegaWiki Dictionary
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cholesterol A lipid from the sterol family both made by the body and consumed in food products that come from animals.