The peritoneum , a thin serous membrane, lines the cavity and wraps around most of these organs to reduce friction. Physiological Functions
The kidneys, adrenal glands, and ureters. abdomen
The stomach, small intestine (jejunum and ileum), large intestine (colon), liver, gallbladder, and pancreas. The peritoneum , a thin serous membrane, lines
The abdominal cavity is bounded superiorly by the diaphragm and transitions inferiorly into the pelvic cavity without a sharp physical wall. It is protected anteriorly by layers of muscle, fascia, and skin, while the lumbar spine and back muscles provide posterior support. a thin serous membrane
Major vessels like the aorta and inferior vena cava , as well as the spleen.