Secretin

Secretin is a hormone in the human body that plays a vital role in digestion. It is produced by cells located in the small intestine in response to the presence of food or drink that contains acid or fat. Its main purpose is to stimulate the pancreas and the liver to secrete hormones and enzymes that help break down food, allowing it to be absorbed by the body. In addition, secretin acts as a signal to the stomach to release bicarbonate, which helps neutralize the acidity of the stomach contents and avoid damaging the stomach wall. Secretin also plays a role in controlling the production of gastric juices and regulating the acidity of the small intestine. In certain medical conditions, such as pancreatitis, secretin levels can be used as a diagnostic tool, and secretin-based treatments are being studied for their potential to treat digestive disorders.