Paracolic Gutter lie on the lateral and the medial sides of the ascending and descending colon respectively. They provide channels for the movement of infected fluid in the peritoneal cavity. Subphrenic Spaces lie between the diaphragm and the liver and they are called the right and left, anterior and posterior Subphrenic Spaces. Clinically, these spaces are important because they may provide sites for the accumulation of pus