Anatomy
duodenum Audio
du·o·de·num [ doo-uh-dee-nuhm, dyoo- | doo-od-n-uhm, dyoo- ]
Subclass of:
Upper Gastrointestinal Tract; Intestines, Small
Etymology:
Latin duodeni = twelve
Descriptive of its length in fingerbreadths.
Definitions related to duodenum:
  • A jointed tube 25-30 cm long that connects the stomach to the jejunum.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • First part of the small intestine extending from the pylorus to the jejunum.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • The first part of the small intestine that connects to the stomach.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • The portion of the small intestine between the stomach and jejunum.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • The shortest and widest portion of the SMALL INTESTINE adjacent to the PYLORUS of the STOMACH. It is named for having the length equal to about the width of 12 fingers.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • The upper part of the small intestine.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • Duodenum, the first part of the small intestine, which receives partially digested food from the stomach and begins the absorption of nutrients. The duodenum is the shortest segment of the intestine and is about 23 to 28 cm (9 to 11 inches) long. It is roughly horseshoe-shaped, with the open end up...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2020
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.