Diverticulum are saccular Schleimhautausstülpungen that protrude from the gut as a tubular structure. True diverticulum containing all tissue layers of the structure from which they originated. Incorrect or pseudodiverticula are Schleimhautvorstülpungen through the muscle layer. Esophagus (Oesophageal Diverticulum) and Meckel’s diverticulum are true diverticulum. Kolondivertikel are pseudodiverticula; they make symptoms as soon as chair begins in them and they become infected and inflamed, bleed or rupture.