Figure 4. Predominant lipid classes of the (A) Brain and (B) Muscle. Cholesterol ester (CE), Diglyceride (DG), Fatty acid esters of hydroxyl fatty (FAHFA), Lysophosphatidylcholine (LysoPC), Monoglyceride (MG), Phosphatidylcholine (PC), Phosphatidylethanolamine (PE), Sphingomyelin (SM), Ceramide (Cer).