duodenum

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

Definition of duodenum

plural duodena play \-ˈdē-nə, -də-nə\ or duodenums
: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


DUODENUM Defined for English Language Learners

duodenum

noun

Definition of duodenum for English Language Learners

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


Medical Dictionary

duodenum

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

medical Definition of duodenum

plural duodena play \-ˈdē-nə, -ᵊn-ə\ or duodenums
: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

play \-ˈdēn-ᵊl, -ᵊn-əl\ adjective

Illustration of duodenum


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