and the muscles of the posterior abdominal wall. It contains only fat ("pararenal fat" also known as "pararenal fat body", "paranephric body", or "paranephric fat").

Pararenal fat is a fatty layer situated posterior to the renal compartment, and extending inferiorly into the iliac fossa. It is situated posterior to the posterior aspect of renal fascia, and anterior to the aponeuroses of the retrorenal muscles. It is plentiful in the dihedral angle