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triacylglycerol

Glycero l esterified at each of its three hydroxyl groups by a fatty (aliphatic) acid; e.g., tristearoylglycerol.

Synonym: fat, triglyceride.

Triacylglycerol lipase, the fat-splitting enzyme in pancreatic juice; it hydrolyzes triacylglycerol to produce a diacylglycerol and a fatty acid anion; a deficiency of the hepatic enzyme results in hypercholesterolaemia and hypertriglyceridemia.

Synonym: steapsin, tributyrase, tributyrinase.