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DictionaryRoot: duodeni
Latin

duodeni

twelve each

1 / 1
Clean anatomical diagram showing stomach joining the C-shaped duodenum around pancreatic head, duodenum gold, other gut muted, no labels.
noun

duodenum

doo-uh-DEE-num/ˌduːəˈdiːnəm/

The first section of the small intestine, immediately after the stomach.

Etymology
duodenumLatintwelve each

The Latin numeral “twelve each” points to an anatomical measurement: this first stretch of the small intestine was named for its length of about twelve fingerbreadths.

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