. "The chemical reactions and pathways resulting in the formation of cholesterol, cholest-5-en-3 beta-ol, the principal sterol of vertebrates and the precursor of many steroids, including bile acids and steroid hormones." . . . "cholesterol biosynthetic process" . "cholesterol anabolism" . "cholesterol biosynthesis" . "cholesterol formation" . "cholesterol synthesis" . . . . . .