The portion of the kidney that is composed of cone-shaped renal pyramids is called the ________.

A) cortex
B) medulla
C) pelvis
D) calyx
E) columns

Renal Pyramids

Cone-shaped tissues in the kidneys that are comprised of tubules and blood vessels, playing a crucial role in urine formation.

Medulla

The innermost part of an organ or structure, often referring to the medulla oblongata in the brain, which controls vital functions.