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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Haustrum (anatomy) ： ウィキペディア英語版 Haustrum (anatomy) The haustra (singular haustrum) of the colon are the small pouches caused by sacculation (sac formation), which give the colon its segmented appearance. The teniae coli run the length of the large intestine. Because the taenia coli are shorter than the intestine, the colon becomes sacculated between the teniae coli, forming the haustra. Haustral contractions are slow segmenting, uncoordinated movements that occur approximately every 25 minutes. One haustrum distends as it fills with chyme, which stimulates muscles to contract, pushing the contents to the next haustrum. Also see peristalsis. There is a wider distance between haustra than between the circular folds of the small intestine, and the haustra don't reach around the entire circumference of the intestine, in contrast to circular folds of the small intestine that do. These differences can assist in distinguishing the small intestine from the colon on an abdominal x-ray. Loss of haustra is a sign of chronic ulcerative colitis.〔() 〕 == References == 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「Haustrum (anatomy)」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.