Cyst example sentences

The gastrointestinal tract secretes gastrin, secretin, cholecystokinin and gastric inhibitory peptide.The duct of gall bladder (cystic duct) along with the hepatic duct from the liver forms the common bile duct.Endocrine cells present in different parts of the gastro-intestinal tract secrete four major peptide hormones, namely gastrin, secretin, cholecystokinin (CCK) and gastric inhibitory peptide (GIP).