Kidney Definition And Uses. The renal cortex is surrounded on its outer edges by the renal capsule a layer of fatty tissue. The kidney is a bean shaped structure with a convex and a concave border.
Some people have symptoms of kidney failure while others do not. When kidney function declines the ability of the kidneys to filter blood efficiently is reduced. Some kidney function loss is normal with age and people can even function normally with only one kidney.
Kidney renal failure acute or chronic occurs when the kidneys no longer function well and the end stage of kidney failure.
A recessed area on the concave border is the renal hilum where the renal artery enters the kidney and the renal vein and ureter leave. It gives your doctor an idea of how much. Should one shut down there is a backup. The renal cortex is surrounded on its outer edges by the renal capsule a layer of fatty tissue.