单词	peptic ulcer
释义	peptic ulcer /pɛptɪkˈʌlsə / noun A lesion in the lining (mucosa) of the digestive tract, typically in the stomach or duodenum, caused by the digestive action of pepsin and stomach acid.Ischaemic heart disease, diabetes, peptic ulcers, diverticulitis, appendicitis, varicose veins and tooth caries are also ‘diseases of civilisation’.... This anomaly, known as an anulur pancreas, may cause duodenal obstruction at birth or later in life and also may be associated with pancreatitis, peptic ulcers, or malignant disease in adults. These tumors, called gastrinomas, secrete large amounts of the hormone gastrin, which causes excessive production of acid by your stomach, leading to peptic ulcers.
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