acylglycerol metabolic process triglyceride metabolic process biological_process triacylglycerol metabolism triacylglycerol metabolic process The chemical reactions and pathways involving triglyceride, any triester of glycerol. The three fatty acid residues may all be the same or differ in any permutation. Triglycerides are important components of plant oils, animal fats and animal plasma lipoproteins. Reactome:R-HSA-8979227 triglyceride metabolism GO:0006641