Duodenum

duodenum /du·o·de·num/ (doo?o-de´num) the first or proximal portion of the small intestine, extending from the pylorus to the jejunum.duode´nal

---

du·o·de·num (d-dnm, d-dn-m)

n. pl. du·o·de·nums or du·o·de·na (d-dn, d-dn-)

The beginning portion of the small intestine, starting at the lower end of the stomach and extending to the jejunum.

---

duo·denal (d-dnl, d-dn-l) adj.

---

Duodenum

The first of the three segments of the small intestine. The duodenum connects the stomach and the jejunum. Most peptic ulcers are in the duodenum.

Mentioned in: Biliary Atresia, Cutis Laxa, Enterostomy, Enzyme Therapy, Pancreas Transplantation, Pancreatitis, Tube Feedings, Ulcers, Vagotomy

---

duodenum

(doo´dē´nm),
n the first, shortest, and most fixed portion of the small intestine. The duodenum courses from the pyloric valve of the stomach and terminates in a junction with the jejunum at the duodenojejunal flexure.

---

duodenum

the first or proximal portion of the small intestine, extending from the pylorus to the jejunum. It plays an important role in digestion of food because the bile and pancreatic ducts empty into it. See also digestive system.