V2EX phospholipid

Phospholipid

释义 Definition

磷脂:一种含有磷酸基团的脂类分子,通常由“亲水的磷酸头部 + 疏水的脂肪酸尾部”组成,是细胞膜的关键结构成分,能自发形成脂质双层。(也常见于脂蛋白、信号传导与膜相关蛋白的作用环境中。)

发音 Pronunciation

/fsflpd/

例句 Examples

Phospholipids form the basic structure of cell membranes.
磷脂构成细胞膜的基本结构。

Because phospholipids have both hydrophilic heads and hydrophobic tails, they spontaneously assemble into a bilayer that controls what enters and leaves the cell.
由于磷脂同时具有亲水头部和疏水尾部,它们会自发组装成脂质双层,从而调控物质进出细胞。

词源 Etymology

phospholipidphospho-(磷、与磷酸有关) + lipid(脂类) 组合而成,字面意思就是“含磷的脂类”。该术语随着1920世纪生物化学与细胞生物学的发展而普及,用来区分“含磷酸基团的膜脂”与其他中性脂类。

相关词 Related Words

文学与著作中的用例 Literary Works

  • **James D. Watson et al., Molecular Biology of the Gene**(常在细胞膜结构与膜成分章节中讨论磷脂与脂质双层)
  • **Bruce Alberts et al., Molecular Biology of the Cell**(在膜结构、膜运输与信号章节中频繁出现 phospholipid
  • **Lehninger, Principles of Biochemistry**(在脂类代谢、膜脂结构与生物膜部分系统使用该词)
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