The small intestine plays a key role in digestion. Find out more about the organ's anatomy, function, and associated diseases.

The fundus is the part of the stomach that stores gas from digestion. Learn more about the fundus, as well as the anatomy and common conditions of the stomach.

Pancreas The pancreas is a wing-shaped gland that extends from the duodenum (the upper portion of the small intestine) to the spleen. It serves both digestive and endocrine functions.