THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -Portions of the renal cortex extend into the spaces between adjacent pyramids to form renal columns. The cortex and medulla make up the parenchyma, or functional tissue, of the kidney. The central region of the kidney contains the renal pelvis, which is located in the renal sinus, and is continuous with the ureter.

Detailed explanation-2: -Where are the renal columns located?-The renal columns are located between the renal pyramids in the renal medulla.