Kidney structure with a convex and a concave border. 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. The kidney is surrounded by tough fibrous tissue, the renal capsule, which is itself surrounded by perirenal fat, renal fascia, and pararenal fat. The anterior (front) surface of these tissues is the peritoneum, while the posterior (rear) surface is the transversalis fascia. The superior pole of the right kidney is adjacent to the liver. For the left kidney, it is next to the spleen. Both, therefore, move
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