Duodenum

The duodenum and its location in the body

The duodenum, or the first part of the small intestine, connects to the stomach. The duodenum is about 10 in. (25 cm) long and curved, almost forming a circle.

Current as of: October 19, 2023

Author: Healthwise Staff
Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.