Column of Bertin: Renal column (of bertin) is extension of renal cortex between the renal pyramids [see diagram]. It allows the cortex to be better anchored. It consists of blood vessels, urinary tubes & fibrous material. See this site for image of duplicated collecting system, a common normal variant: http://health-fts.Blogspot.Com/2012/04/urinary-tract-obstruction.Html (midpage for pic).
Answered 11/26/2019
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