Definition, Meaning & Synonyms
duodenum
noun
/ˌdjuːəˈdiːnəm/

Definition
The duodenum is the first section of the small intestine, which is responsible for the initial stage of digestion.

Examples
- The duodenum is about 10 to 12 inches long.
- During digestion, food passes from the stomach to the duodenum.
- Doctors often examine the duodenum to check for ulcers or other conditions.

Meaning
It plays a critical role in the digestive process by receiving partially digested food from the stomach and mixing it with bile and pancreatic juices.

Synonyms
- Small intestine (initial section)