Renal artery located above the renal vein. Supernumerary renal arteries (two or more arteries to a single kidney) are the most common renovascular anomaly, occurrence ranging from 25% to 40% of kidneys. Renal artery stenosis, or narrowing of one or both renal arteries will lead to hypertension as the affected kidneys release renin to increase blood pressure to preserve perfusion to the kidneys. RAS is typically diagnosed with duplex ultrasonography of the renal arteries. It is treated with the use of balloon angioplasty and stents, if necessary. Atherosclerosis can also affect the renal arteries and can lead to poor perfusion of the
Inferior vesical artery Inferior vesical artery The inferior vesical artery or inferior vesicle artery is an artery in the pelvis that supplies the lower part of the bladder. The inferior vesical artery is a branch (direct or indirect) of the anterior division of the internal iliac artery. It frequently arises in common with the middle rectal artery, and is distributed to the fundus of the bladder. In males, it also supplies the prostate and the seminal vesicles. The branches to the prostate communicate with the corresponding vessels of the opposite side. Some texts consider it to be found only in males, and cite