The renal columns allow the cortex to be better anchored.
renal columns
the renal columns
The word "renal" means "of or pertaining to the kidneys."
renal columns
renal columns
renal pyramids
Renal columns are bands of granular tissue that separate adjacent renal pyramids. They contain vessels and urinary tubes that run to the cortex.
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Renal artery or renal columns--- the arterial supply of each kidney is the renal artery. As the renal artery approaches the hilum, it divides into segmental arteries, each of which gives off several branchel called interlobar arteries, which travel through the renal columns to reach the cortex.
The Renal Cortex is the outer most layer of the kidney and while it contains many microscopic structures, it doesn't really contain any structures that can be seen by the naked eye. The Renal Medulla however contains many macroscopic structures such as veins and arteries, and most notable the renal pyramid, renal columns, minor calyx and major calyx.