medical Definition of megaduodenum
plural megaduodena
play
\-ˈdē-nə; -ᵊn-ə\
or megaduodenums
: a congenital or acquired dilation and elongation of the duodenum with hypertrophy of all layers that presents as a feeling of gastric fullness, epigastric pain, belching, heartburn, and nausea with vomiting sometimes of food eaten 24 hours before
