Membrane lipids Three major classes of lipids 1. The glycerophospholipids,甘油磷脂 2. The sphingolipids鞘脂 3. The sterols胆固醇Membrane lipids Three major classes of lipids: 1. The glycerophospholipids,甘油磷脂 2. The sphingolipids鞘脂 3. The sterols胆固醇