| This is considered the most commonly used clinical variant of 'abdomen' and relates to the space and content within the abdominopelvic cavity plus the anterior and lateral abdominal wall. The volume is bounded by, but excludes: superiorly the thoracic diaphragm; inferiorly the pelvic diaphragm; and posteriorly the posterior wall of the abdomen proper: The pelvic component consists of the cavity of the true pelvis, which is bounded by, but excludes, the pelvic wall. Anteriorly this volume is bounded and includes the anterior abdominal (including the lateral abdominal wall). |