Abdominal Area Anatomy

The diaphragm forms the upper surface of the abdomen. The major muscles of the abdomen include the rectus abdominis in front the external obliques at the sides and the latissimus dorsi muscles in the back.

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The aorta supplies oxygenated blood to most of the body.

Abdominal area anatomy. At the level of the pelvic bones the abdomen ends and the pelvis begins. The major organs of the abdomen include the small intestine large intestine and stomach. These muscles help the body bend at the waist.

The abdominal aorta enters the abdomen through the diaphragm at the level of the twelfth thoracic vertebre and continues to just below the umbilical area where it splits into the right and left common iliac arteries. Anatomy of the stomach area several key organs are packed closely with the stomach in the abdominal cavity including the liver whose smaller left lobe is located superior to the stomach and whose large right lobe occupies the same space in the upper right quadrant as the stomach and left lobe combined. Its superior aperture faces towards the thorax enclosed by the diaphragm.

The main areas of the abdomen include the abdominal cavity calots triangle the peritoneum the inguinal canal and hesselbachs triangle. These two apertures together with abdominal walls bound the abdominal cavity. The abdomen is the body region found between the thorax and the pelvis.

Inferiorly the abdomen is open to the pelvis communicating through the superior pelvic aperture pelvic inlet. The abdomen contains all the digestive organs including the stomach small and large intestines pancreas liver and gallbladder. The abdominal peritoneal cavity is an area that normally only contains a small amount of peritoneal fluid however can become a potential space for pathology.

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