Vater's ampulla

Vater's Ampulla is a dilation or enlargement in the hepatic duct and the pancreatic duct where these two ducts join near the duodenum, the first section of the small intestine. Named after the German anatomist Abraham Vater, who first described it in the 18th century, the ampulla plays a crucial role in the digestive system.

Anatomy

The Vater's Ampulla, also known as the hepatopancreatic ampulla or ampulla of Vater, is located at the major duodenal papilla. It is surrounded by the sphincter of Oddi, a muscular valve that controls the flow of bile and pancreatic juice into the duodenum.

Function

The primary function of Vater's Ampulla is to act as a conduit for bile and pancreatic juice. Bile, produced by the liver and stored in the gallbladder, helps in the digestion and absorption of fats. Pancreatic juice, produced by the pancreas, contains several enzymes that aid in the digestion of proteins, carbohydrates, and fats.

Clinical Significance

Diseases and conditions that affect the Vater's Ampulla can have serious implications for the digestive system. These include ampullary cancer, choledocholithiasis (gallstones in the bile duct), and pancreatitis. Diagnosis of these conditions often involves imaging studies such as endoscopic retrograde cholangiopancreatography (ERCP) and treatment may involve endoscopic sphincterotomy (ES) or surgery.

See Also

• Biliary system
• Digestive system
• Pancreatic diseases

References

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