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Definition of: cholesterol
(kə·les′tə·rōl) noun Biochem.
A fatty monatomic crystalline alcohol. C27H45OH, derived principally from bile and present in most gallstones: it is found also in the blood, brain and nerve tissue, kidneys, liver, etc. Also cho·les′ter·in. [<CHOLE- + Gk. stereos solid + -OL2]
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