Bukhinnen

Bukhinnen, also known as the peritoneum, is a large, serous membrane that lines the abdominal cavity and invests the abdominal organs. It is a continuous sac that is divided into two layers: the parietal peritoneum, which lines the abdominal wall, and the visceral peritoneum, which covers the organs. The space between these two layers is called the peritoneal cavity, and it normally contains only a small amount of serous fluid that lubricates the organs, allowing them to move freely within the abdomen.

The peritoneum plays a crucial role in the body's defense mechanisms. Its smooth surface and lubricating fluid help prevent friction between organs during movement. It also contains immune cells that can help fight off infections within the abdominal cavity. Inflammation of the peritoneum is called peritonitis, a serious condition that can be caused by infection, injury, or rupture of an abdominal organ.

The arrangement of the peritoneum creates various folds and spaces within the abdominal cavity. These include the greater omentum, a large apron-like fold that hangs from the stomach, and the mesenteries, which are folds that attach the intestines to the posterior abdominal wall, carrying blood vessels, nerves, and lymphatic vessels to and from the organs. The distribution and folding of the peritoneum are complex and vary between individuals, contributing to the unique anatomical landscape of each person's abdomen.