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duodenum

play
noun du·o·de·num \ˌdü-ə-ˈdē-nəm, du̇-ˈä-də-nəm also (ˌ)dyü-\

Simple Definition of duodenum

  • medical : the part of the small intestine that is right below your stomach

Source: Merriam-Webster's Learner's Dictionary

Full Definition of duodenum

plural

duodena

play \-ˈdē-nə, -də-nə\ or

duodenums

  1. :  the first part of the small intestine extending from the pylorus to the jejunum

duodenal

play \-ˈdē-nəl, -də-nəl\ adjective

Origin and Etymology of duodenum

Middle English, from Medieval Latin, from Latin duodeni twelve each, from duodecim twelve; from its length, about 12 fingers' breadth


First Known Use: 14th century


Medical Dictionary

duodenum

play play
noun du·o·de·num \ˌd(y)ü-ə-ˈdē-nəm, d(y)u̇-ˈäd-ən-əm\

Medical Definition of duodenum

plural

duodena

\-ˈdē-nə, -ən-ə\play or

duodenums

  1. :  the first, shortest, and widest part of the small intestine that in humans is about 10 inches (25 centimeters) long and that extends from the pylorus to the undersurface of the liver where it descends for a variable distance and receives the bile and pancreatic ducts and then bends to the left and finally upward to join the jejunum near the second lumbar vertebra

duodenal

\-ˈdēn-əl, -ən-əl\play play adjective


Illustration of duodenum


Learn More about duodenum

  1. Medical Dictionary: Definition of duodenum Britannica.com: Encyclopedia article about duodenum


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