plasma insulin level 2011-09-21T04:38:00Z CMO:0000342 The amount of insulin, the fuel-regulating peptide hormone which is formed from proinsulin in the beta cells of the pancreatic islets and which promotes the storage of glucose and the uptake of amino acids, increases protein and lipid synthesis, and inhibits lipolysis and gluconeogenesis, in a specified sample of plasma, the fibrinogen-containing fluid portion of the blood in which the particulate components are suspended. VT:0001560 clinical_measurement_ontology mshimoyama blood insulin level