Explain the course and significance of the interlobar arteries coursing through the cortex.
Multiple Choice:

a) Interlobar arteries supply blood to the renal medulla.
b) Interlobar arteries are confined to the renal cortex.
c) The course of interlobar arteries is irrelevant to renal function.
d) Interlobar arteries supply blood exclusively to the renal pelvis.