Cortex: The outer layer of the kidney that contains nephrons, which are critical for filtering blood and forming urine.
Medulla: The inner region of the kidney that contains structures called renal pyramids and tubules that concentrate urine before it moves to the renal pelvis.
Renal Pelvis: A funnel-shaped structure at the center of the kidney that collects urine from the medulla before it flows into the ureter towards the bladder