Question

label the kidney (coloring)
*not shown: major calyx | minor calyx | medulla | papillae
cortex
renal vein
capsule
renal artery
ureter
renal pelvis
interlobar veins
renal pyramids

Explanation:

The kidney has several key anatomical parts. The outer - most layer is the capsule. The cortex is the outer region of the kidney tissue. The renal artery brings blood to the kidney and the renal vein takes blood away. The renal pelvis collects urine before it goes to the ureter. The interlobar veins are part of the venous drainage system. The renal pyramids are in the inner part of the kidney.

Answer:

From top - to - bottom and left - to - right (assuming a typical orientation of the diagram):

1. Renal Artery
2. Cortex
3. Capsule
4. Renal Vein
5. Ureter
6. Renal Pelvis
7. Interlobar veins
8. Renal Pyramids