This model is a helpful tool to learn more about kidney stones (nephrolithiasis) and urinary stones (urolithiasis).
Lifesize and cutaway model. The right kidney is shown. The renal calices, the renal pelvis and the ureter are represented and concretions or stones are placed in the typical places :
* Renal pyramids of the kidney
* Upper calix group
* Renal cortex of the kidney
* Connecting tubule of the lower calix group, causing congestion of the minor calices in the ureter
4 pictures show different models of kidney stone.