Definition of duodenum in English:

duodenum

Line breaks: duo|de¦num
Pronunciation: /ˌdjuːəˈdiːnəm
 
/

noun (plural duodenums or duodena /-ˈdiːnə/)

Anatomy
  • The first part of the small intestine immediately beyond the stomach, leading to the jejunum.
    More example sentences
    • All this then enters the digestive tract and begins its passage from esophagus to stomach to duodenum to small intestine to colon.
    • It is a tube approximately 20 feet long consisting of three regions; the duodenum, jejunum, and ileum.
    • The distal duodenum and duodenal jejunal junction is especially susceptible to damage because it is fixed in position.

Derivatives

duodenal

adjective
More example sentences
  • The diverticulum may possess aberrant islands of gastric mucosa, pancreatic and duodenal glands.
  • We describe the case of a patient with gastric and duodenal ulcers and gastric endocrine heterotopia.
  • The distal duodenum and duodenal jejunal junction is especially susceptible to damage because it is fixed in position.

Origin

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

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