space between the abdominal wall and the spine, the cavity of the abdomen that is lined by peritoneum, is bounded above by the diaphragm, anteriorly by a wall of muscle and tissue, and posteriorly by the spinal column, is continuous below with the pelvic cavity, and contains many of the visceral organs and especially those involved in digestion (such as the stomach, liver, pancreas, kidneys, and intestines), vahelihase ja vaagna vaheline mahukas õõs, kõhuõõne- ja vaagnaelundeid sisaldav ruum, mida piirab ülalt vahelihas, eest külgedelt ja tagant kõhusein koos lülisambaga, alt puusaluud koos neid katvate lihastega ja vaagnapõhi