Renal sinus
Encyclopedia
The renal sinus is a cavity within the kidney
which is occupied by the renal pelvis
, renal calyces, blood vessels, nerves and fat.
Kidney
The kidneys, organs with several functions, serve essential regulatory roles in most animals, including vertebrates and some invertebrates. They are essential in the urinary system and also serve homeostatic functions such as the regulation of electrolytes, maintenance of acid–base balance, and...
which is occupied by the renal pelvis
Renal pelvis
The renal pelvis or pyelum is the funnel-like dilated proximal part of the ureter in the kidney.In humans, the renal pelvis is the point of convergence of two or three major calyces...
, renal calyces, blood vessels, nerves and fat.