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Lipids 2 definitions

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  • Glycerophospholipid
    A membrane lipid with a glycerol backbone, two fatty acids, a phosphate group, and a variable head group.
  • Sphingolipid
    A membrane lipid featuring a sphingosine backbone, one fatty acid, and often a phosphate group with a head group.
  • Phosphatidylcholine
    A glycerophospholipid with choline attached to the phosphate group, commonly found in eukaryotic membranes.
  • Phosphatidylethanolamine
    A glycerophospholipid with ethanolamine as the head group, sharing the same backbone as phosphatidylcholine.
  • Phosphatidylserine
    A membrane lipid with serine as the head group, contributing to membrane structure and signaling.
  • Phosphatidylinositol
    A membrane lipid with inositol as the head group, important for cell signaling pathways.
  • Glycerol
    A three-carbon molecule forming the backbone of glycerophospholipids, connecting fatty acids and phosphate.
  • Fatty Acid
    A hydrocarbon chain attached to lipid backbones, influencing membrane fluidity and structure.
  • Phosphate Group
    A chemical group linking the backbone to the head group in membrane lipids, crucial for polarity.
  • Choline
    A nitrogen-containing molecule serving as the head group in certain membrane lipids, such as phosphatidylcholine.
  • Ethanolamine
    A molecule attached to the phosphate group in phosphatidylethanolamine, affecting membrane properties.
  • Sphingosine
    A long-chain amino alcohol forming the backbone of sphingolipids, replacing glycerol in these lipids.
  • Sphingomyelin
    A sphingolipid with choline and phosphate as head groups, structurally similar to phosphatidylcholine.
  • Membrane Lipid
    A molecule forming biological membranes, providing structural integrity and functional diversity.