出典:Wiktionary
From 1913; back-formation from cholesterol.[1]
出典:Wikipedia
出典:『Wikipedia』 (2011/05/23 02:56 UTC 版)
Sterols are a subgroup of the steroids and an important class of organic molecules. They occur naturally in plants, animals, and fungi, with the most familiar type of animal sterol being cholesterol. Cholesterol is vital to cellular function, and a precursor to fat-soluble vitamins and steroid hormones.
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