1. a hormone produced by the small intestine that stimulates the pancreas to release digestive juices
Usage: medical; biochemistry

Examples

• Secretin was the first hormone to be discovered by scientists.
• The release of secretin helps regulate digestion in the small intestine.
• Doctors study secretin levels to understand pancreatic function.
• Secretin stimulates the pancreas to produce bicarbonate-rich fluid.
• Research on secretin has advanced our understanding of digestive hormones.
• The discovery of secretin in 1902 marked a milestone in endocrinology.