what is the outer region of the kidney called
The outer portion of the kidney located in between the renal capsule and the renal medulla is called the renal cortex. The renal cortex is like the fleshy part of the avocado. Deeper to the renal cortex, like our avocado pit, is the inner portion of the kidney, called the renal medulla.ortex and Medulla. Our kidneys are a multilayered structure, kind of like an avocado. If you've ever sliced an avocado in half, you'd have a middle layer, the avocado pit, and then a surrounding outer layer that is the edible part of the avocado. Likewise, your kidneys have an outer and an inner layer.