Cholesterol is a steroid that occurs in almost all animal fats, as well as in blood, bile, and cell membranes. It is an important hormone that acts as a precursor in a variety of biochemical reactions. Cholesterol-rich foods include meat, fish, poultry, seafood, egg yolks, and a variety of dairy products. |
Photomicrographs are © 2000-2022 by Loes Modderman.
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