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单词 phospholipid
释义

phospholipid

noun

phos·​pho·​lip·​id ˌfäs-fō-ˈli-pəd How to pronounce phospholipid (audio)
: any of various phosphorus-containing complex lipids (such as lecithins and phosphatidylethanolamines) that are derived from glycerol and are major constituents of the membranes of cells and intracellular organelles and vesicles

Note: Phospholipids typically consist of a hydrophilic polar phosphate head and a hydrophobic tail of two fatty acids. In aqueous environments, phospholipids typically form semipermeable bilayers in which the hydrophilic heads point outward and the hydrophobic tails point inward toward each other.

Example Sentences

Recent Examples on the Web Cheng’s team, for example, used a commercially available phospholipid reagent to slip a peptide known to home to heart cells into exosome membranes. Amanda B. Keener, Scientific American, 17 June 2020 One group of researchers mixed phospholipid vesicles—an assembly of the molecule that is a crucial component of cell membranes—with DNA and repeatedly dehydrated then rehydrated the mixture. Tim Flannery, The New York Review of Books, 17 Nov. 2020

Word History

First Known Use

1925, in the meaning defined above

Medical Definition

phospholipid

noun

phos·​pho·​lip·​id -ˈlip-əd How to pronounce phospholipid (audio)
variants also phospholipide
-ˌīd How to pronounce phospholipid (audio)
: any of various phosphorus-containing complex lipids (such as lecithins and phosphatidylethanolamines) that are derived from glycerol and are major constituents of the membranes of cells and intracellular organelles and vesicles

Note: Phospholipids typically consist of a hydrophilic polar phosphate head and a hydrophobic tail of two fatty acids. In aqueous environments, phospholipids typically form semipermeable bilayers in which the hydrophilic heads point outward and the hydrophobic tails point inward toward each other.

called also phosphatide, phospholipin

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更新时间:2024/9/23 0:30:24