| oesophageal web | A cribriform or web formation in the oesophagus caused by an irregular atrophy. (05 Mar 2000) |
|---|---|
| oesophageal webs and rings | <radiology> Congenital web, web secondary to bullous disease, cervical web, Plummer-Vinson (Patterson-Kelly) syndrome, mucosal (Schatzki) ring (12 Dec 1998) |
| tertiary oesophageal contractions | <radiology> Disordered up-and-down movement of bolus, 5-10% of normal adults in 4-6th decade, location: distal 2/3 of oesophagus aetiology: presbyesophagus, diffuse oesophageal spasm, hyperactive achalasia, neuromuscular disease: diabetes, Parkinsonism, ALS, MS, thyrotoxic myopathy, myotonic dystrophy, obstruction of cardia: neoplasm, distal oesophageal stricture, benign lesion, surgery (repair of HH) findings: spontaneous repetitive nonpropulsive contraction (yo-yo motion), corkscrew appearance, compartmentalization of barium (rosary bead, shish kebab) (12 Dec 1998) |
| tracheo-oesophageal fistula | <radiology> Type: Frequency, Description A: 10%, oesoph atresia without fistula B: 1%, oesoph atresia with upper fistula C: 80%, oesoph atresia with LOWER fistula D: 2%, K type: atresia with upper and lower fistulae E: 7%, H type See also: VATER syndrome (12 Dec 1998) |
| juxta-oesophageal pulmonary lymph nodes | Several nodes of the posterior mediastinal group located along either side of the oesophagus; they receive lymph from both the oesophagus and the lungs. Synonym: nodi lymphatici juxta-oesophageales pulmonales. (05 Mar 2000) |
| lower oesophageal sphincter | <anatomy> A muscular sphincter located at the junction of the oesophagus and the stomach. On closure the lower oesophageal sphincter prevents the back wash (reflux) of stomach acid into the oesophagus where it may damage the mucosa. See: gastrooesophageal reflux disease. (16 Mar 1998) |
| acute decubitus ulcer | A severe form of bedsore, of neutrophic origin, occurring in hemiplegia or paraplegia. (05 Mar 2000) |
| Aden ulcer | The lesion occurring in cutaneous leishmaniasis. (05 Mar 2000) |
| amputating ulcer | An ulcer encircling a limb. (05 Mar 2000) |
| anastomotic ulcer | An ulcer of jejunum, after gastroenterostomy. (05 Mar 2000) |
| anti-ulcer agents | Various agents with different action mechanisms used to treat or ameliorate ulcers or irritation of the gastrointestinal tract. (12 Dec 1998) |
| aphthous ulcer | <gastroenterology> A type of benign mouth ulcer often caused by injury to the mucosal lining of the oral cavity, viral infection or vitamin deficiency. (27 Sep 1997) |
| atonic ulcer | An ulcer that shows little or no tendency to heal. (05 Mar 2000) |
| Buruli ulcer | An ulcer of the skin, with widespread necrosis of subcutaneous fat, due to infection with Mycobacterium ulcerans; occurs in Uganda in persons living on the Nile river banks. Origin: Buruli, district in Uganda (05 Mar 2000) |
| Gaboon ulcer | A form of tropical ulcer affecting the residents of this region; it resembles a syphilitic ulcer, especially in the appearance of its scar. Origin: Gaboon, a region in Africa (05 Mar 2000) |