| duodenal glands | Small, branched, coiled tubular glands that occur mostly in the submucosa of the first third of the duodenum; they secrete an alkaline mucoid substance that serves to neutralise gastric juice. Synonym: glandulae duodenales, Brunner's glands, Wepfer's glands. (05 Mar 2000) |
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| duodenal impression | A hollow on the visceral surface of the right lobe of the liver alongside the gallbladder, marking the situation of the duodenum. Synonym: impressio duodenalis. (05 Mar 2000) |
| duodenal narrowing or obstruction | <radiology> Congenital (see double bubble sign), duodenal atresia: neonatal presentation, annular pancreas: infants or adults, duodenal web/diaphragm, Ladd's bands, duplication cyst, inflammatory, postbulbar ulcer, Crohn disease, infections: TB, Strongyloides, pancreatitis, pancreatic pseudocyst, radiation injury, malignant, duodenal adenocarcinoma/lymphoma, pancreatic carcinoma, metastatic disease, traumatic, intramural haematoma, vascular, superior mesenteric artery syndrome (12 Dec 1998) |
| duodenal polyp | Pedunculated growths in the lining of the duodenum (first part of the small intestine). (27 Sep 1997) |
| duodenal smear | A group of cytologic specimens containing material from the mouth (oral smear), oesophagus and stomach (gastric smear), duodenum (paraduodenal smear), and colon, obtained by specialised lavage techniques; used principally for the diagnosis of cancer of those areas. (05 Mar 2000) |
| duodenal sphincter | One of the physiological sphincter's described in the duodenum. (05 Mar 2000) |
| duodenal tumours | <radiology> 90% benign, in 2nd and 3rd portion: 50% malignant, in 4th portion: most malignant, of malignancies: 80-90% leading to adenocarcinoma Differential diagnosis: benign, tubular adenoma, leiomyoma, lipoma, hamartoma (Peutz-Jeghers), prolapsed antral polyp, Brunner's gland adenoma (really hypertrophy and hyperplasia), malignant, adenocarcinoma (80-90% of malignant lesions), villous adenoma (pre-malignant), carcinoid / isleT-cell tumour (12 Dec 1998) |
| duodenal ulcer | A nonmalignant ulcer that develops in the portion of the gastrointestinal tract that is exposed to gastric secretions. Peptic ulcers occur in the stomach or duodenum. Common symptoms include epigastric abdominal pain and anorexia. Complications include perforation, penetration (into adjacent organs) and bleeding. The microorganism Helicobacter pylori has been implicated in the development of peptic ulcer disease. For this reason, new therapies may now involve the use of oral antibiotics. (27 Sep 1997) |
| duodenase | <enzyme> Partial amino acid sequence given in first source Registry number: EC 3.4.21.- (26 Jun 1999) |
| duodenectomy | Excision of the duodenum. Origin: duodenum + G. Ektome, excision (05 Mar 2000) |
| duodenitis | <pathology> Inflammation of the duodenum. (27 Sep 1997) |
| duodeno- | Combining form relating to the duodenum. Origin: L. Duodenum, scil., digitorum breadth of 12 fingers (05 Mar 2000) |
| duodenocholangitis | Inflammation of the duodenum and common bile duct. Origin: duodeno-+ G. Chole, bile, + angeion, vessel, + -itis, inflammation (05 Mar 2000) |
| duodenocholecystostomy | Synonym: cholecystoduodenostomy. Origin: duodeno-+ G. Chole, bile, + kystis, bladder, + stoma, mouth (05 Mar 2000) |
| duodenocholedochotomy | Incision into the common bile duct and the adjacent portion of the duodenum. Origin: duodeno-+ G. Choledochus, bile duct, + tome, incision (05 Mar 2000) |