Which one of the following statements is incorrect?

• A
  The medullary zone of the kidney is divided into a few conical masses called medullary pyramids projecting into calyces.
• B
  Inside the kidney,the cortical region extends in between the medullary pyramids as the renal pelvis.
• C
  The glomerulus along with Bowman's capsule is called the renal corpuscle.
• D
  The renal corpuscle,proximal convoluted tubule $(PCT)$,and distal convoluted tubule $(DCT)$ of the nephron are situated in the cortical region of the kidney.