Question

Columns of Bertini in the kidneys of mammals are formed as extensions of

• A. Pelvis into ureter
• B. Medulla into pelvis
• C. Cortex into pelvis
• D. Cortex and medulla

Answer 1

The correct option is C Cortex into pelvis

The renal column (or column of Bertini) is a medullary extension of the renal cortex in between the renal pyramids. It allows the cortex to be better anchored. Each column consists of lines of blood vessels and urinary tubes and a fibrous material.