Theduodenumis the first section of the small intestine.
Separating the duodenum and jejeunum is theduodenojejunal flexure, which does not close and allows food to pass unobstructed.
Feeding into the duodenum is a thin tube called thecommon biliary ductthat releases digestive enzymes from theliverandpancreaswhenever food enters.
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These include:
A broader category of conditions affecting the duodenum isduodenitis(inflammation of the duodenum).
Diseases affecting the duodenum include celiac disease, Crohn’s disease, and duodenal ulcers.
Signs of duodenal disease include upper right abdominal pain, indigestion, bloating, and dark or tarry stools.
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Cambridge, MA: Cambridge University Press; 2020:206-214.
National Institute of Diabetes and Digestive and Kidney Diseases.Definitions and facts for celiac disease.
National Institutes of Health.Duodenal atresia.
2016 Nov-Dec;40(6):1173-1181. doi:10.1016/j.clinimag.2016.08.007
