| pneumococcus | <bacteria> A genus of bacteria that is typified by gram-positive staining and a coccal shape (round) that are usually observed microscopically in pairs. A common cause of pneumonia. (27 Sep 1997) |
|---|---|
| Fraenkel's pneumococcus | A gram-positive organism found in the upper respiratory tract, inflammatory exudates, and various body fluids of normal and/or diseased humans and, rarely, domestic animals. (12 Dec 1998) |
| Fraenkel-Weichselbaum pneumococcus | A gram-positive organism found in the upper respiratory tract, inflammatory exudates, and various body fluids of normal and/or diseased humans and, rarely, domestic animals. (12 Dec 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) |
| Palmer acid test for peptic ulcer | In duodenal ulcer, the administration of acid by duodenal tube causes severe pain. (05 Mar 2000) |
| varicose ulcer | Ulcer due to varicose veins. Chronic venous insufficiency in the deep veins of the legs leads to shunting the venous return into the superficial veins, in which pressure and flow rate, as well as oxygen content, are increased. (12 Dec 1998) |
| gastric ulcer | <gastroenterology> An ulcer in the mucosal lining of the stomach. Ulcer formation results from gastric inflammation that may be triggered by the use of alcohol, aspirin or non-steroidal anti-inflammatories agents. Symptoms include recurrent abdominal pains (may be relieved by antacids), nausea, vomiting, weight loss and fatigue. Complications include GI bleeding, obstruction, perforation and ulcer penetration into surrounding tissues. Treatment includes the avoidance of alcohol, smoking, aspirin, anti-inflammatories and caffeine. Medications such as antacids or H2 antagonists (for example cimetidine, ranitidine) or proton pump inhibitors (omeprazole) have been shown to be effective treatment. (27 Sep 1997) |