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Gastroparesis (''gastro-'' from Ancient Greek γαστήρ ''gaster'', "stomach" and πάρεσις ''-paresis'', "partial paralysis"), also called delayed gastric emptying, is a medical condition consisting of a paresis (partial paralysis) of the stomach, resulting in food remaining in the stomach for an abnormally long time. Normally, the stomach contracts to move food down into the small intestine for additional digestion. The vagus nerve controls these contractions. Gastroparesis may occur when the vagus nerve is damaged and the muscles of the stomach and intestines do not properly function. Food then moves slowly or stops moving through the digestive tract. ==Signs and symptoms== The most common symptoms of gastroparesis are the following: *Chronic nausea (93%) *Vomiting (especially of undigested food) (68-84%) *Abdominal pain (46-90%) *A feeling of fullness after eating just a few bites (60-86%) Other symptoms include the following: *Palpitations *Heartburn *Abdominal bloating *Erratic blood glucose levels *Lack of appetite *Gastroesophageal reflux *Spasms of the stomach wall *Weight loss and malnutrition *Night sweats *Muscle weakness *Body Aches (Myalgia) Morning nausea may also indicate gastroparesis. Vomiting may not occur in all cases, as sufferers may adjust their diets to include only small amounts of food.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Gastroparesis」の詳細全文を読む スポンサード リンク
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