increased triglyceride level increased liver triglyceride level MPheno.ontology MP:0009355 increased hepatic triglyceride level greater concentration of naturally occurring esters of three fatty acids and glycerol in the liver; triglycerides are widespread in adipose tissue, commonly circulate in the blood in the form of lipoproteins, and are involved in the process of bidirectional transference of adipose fat and blood glucose with the liver abnormal liver triglyceride level