| duodenal bulb | The first portion of the duodenum, as seen in a roentgenogram or by fluoroscopy. Synonym: duodenal bulb. (05 Mar 2000) |
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| duodenal cap | The first portion of the duodenum, as seen in a roentgenogram or by fluoroscopy. Synonym: duodenal bulb. (05 Mar 2000) |
| duodenal digestion | That part of digestion carried on in the duodenum. (05 Mar 2000) |
| duodenal diverticulum | A diverticulum of the duodenum, often of large size, that is occasionally found projecting from the duodenum near the duodenal papilla. (05 Mar 2000) |
| duodenal fistula | An opening through the duodenal wall and into the peritoneal cavity, into another organ, or through the abdominal wall. (05 Mar 2000) |
| duodenal fossae | See: inferior duodenal recess, superior duodenal recess. (05 Mar 2000) |
| 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) |
| 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 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) |
| inferior duodenal fold | A fold of peritoneum bounding the inferior duodenal recess. Synonym: plica duodenalis inferior, plica duodenomesocolica, duodenomesocolic fold. (05 Mar 2000) |
| inferior duodenal fossa | The variable peritoneal recess which lies behind the inferior duodenal fold and along the ascending part of the duodenum. Synonym: recessus duodenalis inferior, Gruber-Landzert fossa, inferior duodenal fossa. (05 Mar 2000) |