| MA | malignant arrhythmia; management and administration; mandelic acid; masseter; Master of Arts; matern... |
|---|---|
| MBL | Marine Biological Laboratory; menstrual blood loss; minimum bactericidal level |
| MC | mass casualties; mast cell; Master of Surgery [Lat. Magister Chirurgiae]; maximum concentration; Med... |
| MDQ | memory deviation quotient; Menstrual Distress Questionnaire; minimum detectable quantity |
| MH | malignant histiocytosis; malignant hyperpyrexia; malignant hypertension; malignant hyperthermia; mam... |
| syphilitic ulcer | <dermatology> The primary skin lesion of syphilis which begins at the site of infection after an interval of 10-30 days as a papule or red ulcerated skin lesion. (27 Sep 1997) |
|---|---|
| Syrian ulcer | Old names for diphtheria. (05 Mar 2000) |
| diphtheritic ulcer | An ulcer covered with a gray adherent membrane, caused by Corynebacterium diphtheriae. (05 Mar 2000) |
| distention ulcer | An ulcer of the intestine in the dilated part above a stricture. (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) |
| inflamed ulcer | An ulcer with a purulent discharge and inflamed borders. (05 Mar 2000) |
| oesophageal ulcer | A hole in the lining of the oesophagus corroded by the acidic digestive juices secreted by the stomach cells. Ulcer formation is related to H. Pyloridus bacteria in the stomach, anti-inflammatory medications, and smoking cigarettes. Ulcer pain may not correlate with the presence or severity of ulceration. Diagnosis is made with barium X-ray or endoscopy. Complications of ulcers include bleeding and perforation. Treatment involves antibiotics to eradicate H. Pyloridus, eliminating risk factors, and preventing complications. (12 Dec 1998) |
| oral ulcer | A loss of mucous substance of the mouth showing local excavation of the surface, resulting from the sloughing of inflammatory necrotic tissue. It is the result of a variety of causes, e.g., denture irritation, aphthous stomatitis (stomatitis, aphthous), noma, necrotizing gingivitis (gingivitis, necrotizing, ulcerative), toothbrushing, and various irritants. (12 Dec 1998) |
| Oriental ulcer | The lesion occurring in cutaneous leishmaniasis. Synonym: Oriental sore. (05 Mar 2000) |
| tanner's ulcer | An ulcer produced by exposure to chromium compounds. Synonym: tanner's ulcer. (05 Mar 2000) |
| elusive ulcer | A focal and often multiple lesion involving all layers of the bladder wall in chronic interstitial cystitis; the surface epithelium is destroyed by inflammation and the initially pale lesion cracks and bleeds with distention of the bladder. Synonym: elusive ulcer, Fenwick-Hunner ulcer. (05 Mar 2000) |
| transparent ulcer of the cornea | An obsolete term for an ulcer of the cornea, occurring usually in children, that heals without opacity. (05 Mar 2000) |
| trophic ulcer | Ulcer resulting from cutaneous sensory denervation. See: perforating ulcer of foot. Synonym: trophic gangrene. (05 Mar 2000) |
| tropical ulcer | The lesion occurring in cutaneous leishmaniasis, tropical phagedenic ulceration caused by a variety of microorganisms, including mycobacteria; common in northern Nigeria. Synonym: tropical sore. (05 Mar 2000) |
| ulcer | <dermatology> A local defect or excavation, of the surface of an organ or tissue, which is produced by the sloughing of inflammatory necrotic tissue. Origin: L. Ulcus, Gr. Helkosis (18 Nov 1997) |