Glycerolipids are a type of lipid molecule that consist of a glycerol backbone attached to fatty acid chains. They play a crucial role in forming cell membranes, providing structure and fluidity. Glycerolipids can be classified into different categories, including phospholipids and triacylglycerols, based on their structure and function. These molecules are essential for various biological processes, including energy storage and signaling. In addition to their structural roles, glycerolipids can also serve as precursors for other important biomolecules, such as eicosanoids, which are involved in inflammation and immune responses.