单词 | cholesterol |
释义 | cholesterol/kəˈlɛstərɒl /noun [mass noun] A compound of the sterol type found in most body tissues. Cholesterol and its derivatives are important constituents of cell membranes and precursors of other steroid compounds, but a high proportion in the blood of low-density lipoprotein (which transports cholesterol to the tissues) is associated with an increased risk of coronary heart disease.
OriginLate 19th century: from Greek kholē 'bile' + stereos 'stiff' + -ol. |
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