V2EX cholesterol

Cholesterol

定义 Definition

cholesterol胆固醇。一种存在于动物细胞膜中的脂质(类脂物质),也是合成激素、维生素D和胆汁酸的重要原料。日常语境中也常指血液中的胆固醇水平(如“高胆固醇”)。

发音 Pronunciation

/ klstrl /(BrE), / klstrl /(AmE)

例句 Examples

Cholesterol is found in many animal-based foods.
胆固醇存在于许多动物性食物中。

High cholesterol can increase the risk of heart disease, especially when combined with smoking and a lack of exercise.
高胆固醇会增加心脏病风险,尤其是在吸烟和缺乏运动的情况下。

词源 Etymology

来自希腊语 chole(胆汁)+ stereos(坚硬的、固体的)以及化学后缀 -ol(表示“醇”类物质)。最初与其在胆汁/胆结石相关物质中的发现有关,因此得名“胆汁中的固体(醇类)”。

相关词 Related Words

文学作品中的使用 Literary Works

cholesterol 更常见于医学科普、公共卫生写作与非虚构作品,在纯文学经典中出现频率相对较低。较常见的非虚构/科普语境包括:

  • Mary Roach,《Gulp: Adventures on the Alimentary Canal》
  • Siddhartha Mukherjee,《The Emperor of All Maladies》
  • Atul Gawande,《Complications》
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