secretin

Pancreas-stimulating messenger

Secretin is a hormone produced in the small intestine that stimulates the pancreas to release digestive fluids.

It was the first substance identified as a hormone, discovered in 1902.

Secretin helps neutralize stomach acid as food enters the intestine: The doctor ordered a secretin stimulation test to evaluate pancreatic function.

gastrointestinal

duodenum

Initial small intestine

bile · intestinal · alkaline · pH · jejunum · mucosal · pylorus · neutralization

hormone

peptide

Short amino acid chain

feedback · receptors · neuroendocrine · hormonal · prohormone · biosynthesis · precursor · circulating · release · binding

pancreatic

exocrine

Secreting externally via ducts

pancreatitis

discovery

1902

Date after 1901

Opposites
physiological function

secretinsubstance P

Pain-signaling neuropeptide

ghrelin

gastric acid regulation

secretingastrin

Peptide prompting acid secretion

histamine · acetylcholine

Phrases
Family

secretive, secretion, secrete, secreted, secretiveness, secretively, secreting, secretory, secretions

Familiarity
Top 1,000,000
Profile
Used worldwide · Timeless · Concrete · Rated G