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duodenum

Definition of duodenum

noun (plural duodenums or duodena /-ˈdiːnə/)

Anatomy
  • the first part of the small intestine immediately beyond the stomach, leading to the jejunum.

Derivatives

duodenal

adjective

Origin:

late Middle English: from medieval Latin, from duodeni 'in twelves', its length being equivalent to the breadth of approximately twelve fingers

duodenum in other Oxford dictionaries

Definition of duodenum in the US English dictionary
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