Share this entry

Share this page

duodenum

Syllabification: du·o·de·num
Pronunciation: /ˌd(y)o͞oəˈdēnəm, d(y)o͞oˈädn-əm
 
/

Definition of duodenum in English:

noun (plural duodenums or duodena /-nə/)

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

Origin

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

Derivatives

duodenal

1
Pronunciation: /-ˈdēnl, -ˈädnəl/
adjective
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.

Definition of duodenum in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day peart
Pronunciation: pərt
adjective
lively; cheerful