duodenum Hear it!

duodenum definition

duo·denum (do̵̅o̅′ō dē′nəm, dyo̵̅o̅′-; do̵̅o̅ äd′'n əm, dyo̵̅o̅-)

noun pl. duodena -·de′na (-nə) or duodenums -·de′nums

the first section of the small intestine, between the stomach and the jejunum

Etymology: ME < ML < L duodeni, twelve each: its length is about twelve fingers' breadth

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