plural megaduodena -ˈdē-nə; -ᵊn-ə How to pronounce megaduodenum (audio) 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

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Cite this Entry

“Megaduodenum.” Medical Dictionary, Merriam-Webster, Accessed 21 Sep. 2023.

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