The abdomen is the body region found between the thorax and the pelvis. Its superior aperture faces towards the thorax, enclosed by the diaphragm. Inferiorly the abdomen is open to the pelvis, communicating through the superior pelvic aperture (pelvic inlet).

What is pelvis and abdomen?

Responsible for supporting upper body weight, the pelvis is defined as the middle part of the human body between the lumbar region of the abdomen superiorly and thighs inferiorly. The human pelvis is composed of the bony pelvis, the pelvic cavity, the pelvic floor, and the perineum.

Where is the abdominal located?

The abdomen (colloquially called the belly, tummy, midriff or stomach) is the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates. The abdomen is the front part of the abdominal segment of the torso. The area occupied by the abdomen is called the abdominal cavity.