We're working on a new site. Click here to get a sneak preview.
Medical Dictionary

renal pyramid


Medical Definition of RENAL PYRAMID

:  any of the conical masses that form the medullary substance of the kidney, project as the renal papillae into the renal pelvis, and are made up of bundles of straight uriniferous tubules opening at the apex of the conical mass—called also Malpighian pyramid

Illustration of RENAL PYRAMID


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears