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Dictionary · Word part

duoden/o

A word root that means the duodenum, the first part of the small intestine.

doo-oh-DEE-noh, or doo-OD-uh-noh root

What it means

The duodenum is the short, curved part of the small intestine right after the stomach, where bile and pancreatic juices join the food. A duodenal ulcer is a sore in its lining, and a gastroduodenostomy joins the stomach to the duodenum.

At a glance

Also writtenduodeno-

Related terms

ulcer

An open sore where the skin or the lining of an organ has broken down.

gastr/o

A word part that means stomach.

digestive system

The organs that take in food, break it down, absorb nutrients and get rid of waste.

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