Structure/Morphology
The renal columns are segments of the renal cortex that contain blood vessels (interlobar) and fibrous connective tissue.
Related parts of the anatomy
Key Features/Anatomical Relations
The renal columns are extensions of the renal cortex that separate adjacent renal pyramids.
Function
The renal columns provide passage for blood vessels to extend throughout the renal cortex as they continue towards the renal pyramids. The columns also contain fibrous connective tissue contributing to the stroma of the renal cortex.
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Renal Cortex
They are unilateral focal lesions that seem to arise within the renal cortex and grow as expansile multinodular masses.
