| D010437 |
Peptic Ulcer |
Ulcer that occurs in the regions of the GASTROINTESTINAL TRACT which come into contact with GASTRIC JUICE containing PEPSIN and GASTRIC ACID. It occurs when there are defects in the MUCOSA barrier. The common forms of peptic ulcers are associated with HELICOBACTER PYLORI and the consumption of nonsteroidal anti-inflammatory drugs (NSAIDS). |
Gastroduodenal Ulcer,Marginal Ulcer,Gastroduodenal Ulcers,Marginal Ulcers,Peptic Ulcers,Ulcer, Gastroduodenal,Ulcer, Marginal,Ulcer, Peptic,Ulcers, Gastroduodenal,Ulcers, Marginal,Ulcers, Peptic |
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| D012008 |
Recurrence |
The return of a sign, symptom, or disease after a remission. |
Recrudescence,Relapse,Recrudescences,Recurrences,Relapses |
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| D002908 |
Chronic Disease |
Diseases which have one or more of the following characteristics: they are permanent, leave residual disability, are caused by nonreversible pathological alteration, require special training of the patient for rehabilitation, or may be expected to require a long period of supervision, observation, or care (Dictionary of Health Services Management, 2d ed). For epidemiological studies chronic disease often includes HEART DISEASES; STROKE; CANCER; and diabetes (DIABETES MELLITUS, TYPE 2). |
Chronic Condition,Chronic Illness,Chronically Ill,Chronic Conditions,Chronic Diseases,Chronic Illnesses,Condition, Chronic,Disease, Chronic,Illness, Chronic |
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| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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| D041981 |
Gastrointestinal Tract |
Generally refers to the digestive structures stretching from the MOUTH to ANUS, but does not include the accessory glandular organs (LIVER; BILIARY TRACT; PANCREAS). |
Digestive Tract,GI Tract,Digestive Tracts,GI Tracts,Gastrointestinal Tracts |
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