Secretin

**Definition:** A peptide hormone of about 27 amino acids from the duodenal mucosa that activates pancreatic secretion and lowers the blood sugar level. (USAN and the USP Dictionary of Drug Names, 1994, p597)

**Tree numbers:** - D06.472.317.800 - D06.472.699.810 - D12.644.400.705 - D12.644.548.810 - D12.776.631.650.705