The abdomen has three layers – skin, superficial fascia and muscle. The abdomen houses important organs in the body. It is an essential area of study for doctors when they are assessing pain and illness in patients. The body of the abdomen when viewed from a frontal view is divided into nine imaginary planes, in both vertical and horizontal directions.
The nine regions of the abdomen can help determine specific ailments and are of clinical importance. This article will explain the 9 regions of abdomen, the organs in them as well as the 4 quadrants of abdomen.