21. Straining to defecate pushes stool into the rectocele, which acts like a diverticulum and causes stool sequestration. 22. Inflammation in the ileal diverticulum has symptoms that mimic appendicitis, therefore its diagnosis is of clinical importance. 23. Rarer forms of cervical esophageal diverticula are the Killian's diverticulum and the Laimer's diverticulum. 24. Rarer forms of cervical esophageal diverticula are the Killian's diverticulum and the Laimer's diverticulum . 25. The remainder of the digestive system consists of a digestive diverticulum , esophagus, stomach, and intestine. 26. Term appears to be a plural form of the single " diverticulum " which already has an article. 27. A case report of strangulated umbilical hernia with Meckel's diverticulum has also been published in the literature. 28. However, in the embryonic stage, some normal structures begin development as a diverticulum arising from another structure. 29. Detailed knowledge of the pathophysiological properties is essential in dealing with the life-threatening complications of Meckel's diverticulum . 30. The mouth cavity is tubular, with a narrow diverticulum or " stomochord " extending up into the proboscis.