Abdominal: The abdominal cavity contains most organs

The abdominal cavity contains most organs of the digestive system, including the stomach, the small intestine, and the colon with its attached appendix. Other digestive organs are known as the accessory digestive organs and include the liver, its attached gallbladder, and the pancreas, and these communicate with the rest of the system via various ducts. The spleen, and organs of the urinary system including the kidneys, and adrenal glands also lie within the abdomen, along with many blood ... Sharp abdominal pain can indicate gas, gallstones, appendicitis, or other issues. Learn causes, symptoms, and when to seek urgent medical care. Anterolateral abdominal wall muscles External and internal obliques, transversus abdominis, rectus abdominis, and pyramidalis. Abdominal pain , also known as a stomach ache, is a symptom associated with both non-serious and serious medical issues. Since the abdomen contains most of the body's vital organs, it can be an indicator of a wide variety of diseases.