Picture of Renal Artery Stenosis
Renal artery stenosis: Narrowing of the major artery that supplies blood to the kidney. Renal artery stenosis can lead to seriously elevated blood pressure.
Common causes of renal artery stenosis include atherosclerosis and thickening of the muscular wall (fibromuscular dysplasia) of the renal artery.
Text: MedicineNet, Inc.