blood protein measurement blood peptide hormone level 2010-06-25T12:08:08Z CMO:0000286 EFO:0004504 Measurement of the amount in blood of a molecular chain compound composed of two or more amino acids joined by peptide bonds that is produced in one part or organ of the body and initiates or regulates the activity of an organ or a group of cells in another part of the body. clinical_measurement_ontology mshimoyama serum hepcidin measurement blood hormone level