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
Vaginal artery Vaginal artery The vaginal artery is an artery in females that supplies blood to the vagina and the base of the bladder. The vaginal artery is usually defined as a branch of the internal iliac artery. Some sources say that the vaginal artery can arise from the internal iliac artery or the uterine artery. However, the phrase vaginal branches of uterine artery is the Terminologia Anatomica term for blood supply to the vagina coming from the uterine artery. Some texts consider the inferior vesical artery to be found only in males, and that this structure in females is a vaginal