Renal cortex

The Renal Cortex
The renal cortex is the outer region of the kidney.
The outer part of the kidney is the renal cortex.
It is called the renal cortex
cortex

The renal medulla is composed mostly of collecting ducts and the nephron loops. You will not see any glomeruli in the medulla, as they are confined to the cortex. This makes the renal cortex and renal medulla easily distinguishable.

cortex, medulla, and pelvis.
The substance, or parenchyma, of the kidney is divided into two major structures: superficial is the renal cortex and deep is the renal medulla.
cortex and medulla
Cortex, medulla, and pelvis.