triacylglycerol (TG)

triacylglycerol (TG)

the officially approved term to replace the older but still widely used triglyceride. A hydrophobic compound made from the combination of glycerol and three fatty acids, which is the major energy store of the body and main component of dietary fat. Present in the body in adipose tissue, in the circulating blood and as intramuscular triacylglycerol (IMTG). See also lipoproteins, medium-chain triglycerides.