renal pyramids

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Related to renal pyramids: renal papilla, Renal medulla

re·nal pyr·a·mids

pyramidal masses seen on longitudinal section of the kidney; collectively, they constitute the renal medullae and contain part of the secreting tubules and the collecting tubules.
Synonym(s): pyramides renales [TA], malpighian pyramid, medullary pyramid, pyramis renalis