Sulfatides are a type of lipid molecule that contain sulfate groups. They are primarily found in the membranes of cells, particularly in the nervous system. Sulfatides play a crucial role in cell signaling and maintaining the structure of myelin, which insulates nerve fibers and facilitates efficient signal transmission. These molecules are derived from galactocerebrosides and are important for various biological processes. Abnormalities in sulfatide metabolism can be linked to certain diseases, including Krabbe disease, a genetic disorder that affects the nervous system. Understanding sulfatides is essential for studying cell biology and potential therapeutic approaches.