du·o·de·num (d   -d  nm, dy-, d- dn-m, dy-)n. pl. du·o·de·na (d -dn, dy-, d-dn-, dy-) or du·o·de·nums The beginning portion of the small intestine, starting at the lower end of the stomach and extending to the jejunum. [Middle English, from Medieval Latin, short for intest  num duodnum digit rum, intestine of twelve finger-widths (in length), from Latin duodnum, genitive pl. of duodn, twelve each, from duodecim, twelve; see duodecimal.]du o·denal (d-dnl, dy-, d-dn-l, dy-) adj. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Adj. | 1. | duodenal - in or relating to the duodenum; "duodenal ulcer" |
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