duodenum

duodenum definition - medical

du·o·de·num (do͞oˌə-dēˈnəm, do͞o-ŏdˈn-əm)

noun pl. du·o·de·nums or du·o·de·na (do͞oˌə-dēˈnə, do͞o-ŏdˈn-ə)
The beginning portion of the small intestine, starting at the lower end of the stomach and extending to the jejunum.

Related Forms:

  • duˌo·deˈnal (do͞oˌə-dēˈnəl, do͞o-ŏdˈn-əl) adjective

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.