“Columns of Bertini” in the kidney of mammals are formed as the extension of
A
Medulla into cortex
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B
Cortex into medulla
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C
Medulla into pelvis
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D
Pelvis into ureter
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Solution
The correct option is B
Cortex into medulla
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.