The renal pelvis(anatomically)
Pasquel SG(1), 
Agnew D, Nelson... [DOC] [TLE] Structure of the Kidney: Basic Diagram of the Kidney of the human ... [PAR] Diagram of the Structure of the Kidney (Gross Anatomy of the Kidney) ... Renal 
capsule; Renal cortex; Renal Medulla; Renal Pyramids; Renal Pelvis; Kidney... [DOC] [TLE] Ureteropyeloscopic anatomy of the renal pelvis of the horse [PAR] Objectives: To further document the anatomy of the upper urinary collecting 
system, specifically the renal pelvis and terminal recesses, of the horse.