👉 Mesenterium is a term that refers to the space between the abdominal wall and the peritoneum. It is composed of two layers of tissue, the outer layer called the peritoneum and the inner layer called the mesentery. The mesenterium plays an important role in digestion and absorption of nutrients from the digestive tract. It also helps in regulating blood flow to vital organs such as the liver and lungs. In some diseases or conditions, such as diverticulitis, inflammation of