The triangular regions of the kidneys that are striped in appearance and separated by the renal columns are the: 22:33 Biology Chapter 15 The triangular regions of the kidneys that are striped in appearance and separated by the renal columns are the: A) renal cortex B) renal medulla C) renal pyramids D) renal pelvis E) calyces Answer: c Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+