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单词 cholesterol
释义 cho·les·ter·ol
\-ˌrȯl, -ˌrōl\ noun
(-s)
Etymology: International Scientific Vocabulary cholesterin + -ol
: a fat-soluble crystalline steroid alcohol C27H45OH that occurs as an essential constituent of animal cells and body fluids, is important in physiological processes, has been implicated experimentally as a factor in arteriosclerosis, is synthesized in the body especially in the liver and adrenal cortex, is usually extracted from beef spinal cord and wool grease, and is used in the synthesis of vitamin D3 and steroid hormones (as testosterone) and in the making of ointments and lotions — compare structural formula
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