…Reverse peristalsis occurs in other areas when there is a blockage in the flow of food. (2) Segmentation contractions This is seen in the small and large intestines. First, several constrictions occur in a certain area of the intestine due to contraction of the circular muscle layer, and after the contraction gradually becomes stronger, the constricted areas relax, new constrictions appear between the constrictions, and then relax. … *Some of the terminology explanations that mention "segmentation contractions" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…その他の部位で逆蠕動が起こるのはおおむね通過障害のある場合である。(2)分節運動segmentation contractions 小腸と大腸に見られる。まず腸管のある部位に輪走筋層の収縮によるくびれが数ヵ所に生じ,その収縮がしだいに強くなったのち,くびれの部分は弛緩し,くびれとくびれの中間部に新しいくびれを生じ,ついで弛緩する。… ※「segmentation contractions」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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