Uncinate process of pancreas

The pancreas and its surrounding structures, including the uncinate process. Image from Gray's Anatomy.

The uncinate process of the pancreas is a part of the pancreas, a glandular organ in the digestive system and endocrine system of vertebrates. The uncinate process is a small, curved part of the pancreas that extends from the lower part of the head of the pancreas. It is located posterior to the superior mesenteric vein and wraps around the back of the superior mesenteric artery.

Anatomy

The uncinate process is a projection from the lower part of the head of the pancreas. It is located behind the superior mesenteric vein and extends to the left, behind the superior mesenteric artery. The uncinate process is variable in size and shape, and its exact position can vary between individuals.

Function

Like the rest of the pancreas, the uncinate process is involved in the production of digestive enzymes and hormones. It contains exocrine cells that produce enzymes for digestion, and endocrine cells that produce hormones such as insulin and glucagon.

Clinical significance

The uncinate process is a common site for pancreatic cancer. It is also often involved in chronic pancreatitis, a long-term inflammation of the pancreas. The location of the uncinate process can make it difficult to access surgically, and it is often the last part of the pancreas to be removed in a procedure called a pancreatoduodenectomy.

See also

• Pancreas
• Pancreatic cancer
• Pancreatoduodenectomy