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Functional gastrointestinal disorders (FGID) include a number of separate idiopathic disorders which affect different parts of the gastrointestinal tract and involve visceral hypersensitivity and impaired gastrointestinal motility. Heightened mast cell activation is a common factor among all FGIDs that contributes to visceral hypersensitivity as well as epithelial, neuromuscular, and motility dysfunction.〔 ==Classification== The Rome process has helped to define the functional gastrointestinal disorders. Successively, the Rome I, Rome II, and the Rome III meetings have proposed a consensual classification system and terminology, as recommended by the Rome Coordinating Committee. *Functional esophageal disorders * *Functional heartburn * *Functional chest pain of presumed esophageal origin * *Functional dysphagia * *Globus pharyngis *Functional colonic disease: In medicine, the term functional colonic disease (or functional bowel disorder) refers to a group of bowel disorders which are characterised by chronic abdominal complaints without a structural or biochemical cause that could explain symptoms. * *Functional constipation * *Functional rectal pain * Functional dyspepsia * Noncardiac chest pain * Chronic functional abdominal pain * Irritable bowel syndrome 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「Functional gastrointestinal disorder」の詳細全文を読む スポンサード リンク
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