Kidney a minor calyx; minor calyces empty into major calyces, and major calyces empty into the renal pelvis. This becomes the ureter. At the hilum, the ureter and renal vein exit the kidney and the renal artery enters. Hilar fat and lymphatic tissue with lymph nodes surrounds these structures. The hilar fat is contiguous with a fat-filled cavity called the renal sinus. The renal sinus collectively contains the renal pelvis and calyces and separates these structures from the renal medullary tissue. The kidneys possess no overtly moving structures. The renal circulation supplies the blood to the kidneys via the renal arteries,
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