As nouns the difference between duodenum and gastroduodenitis
is that duodenum is duodenum while gastroduodenitis is (pathology) inflammation of the stomach and duodenum.
duodenum
English
Noun
(en-noun)
The first part of the small intestine, starting at the lower end of the stomach and extending to the jejunum.
Derived terms
* duodenal
* duodenitis
Synonyms
* dodecadactylum, maw-gut (both obsolete)
gastroduodenitis
English
Noun
(pathology) inflammation of the stomach and duodenum