Kidney left and right, which branch directly from the abdominal aorta. Despite their relatively small size, the kidneys receive approximately 20% of the cardiac output. Each renal artery branches into segmental arteries, dividing further into interlobar arteries, which penetrate the renal capsule and extend through the renal columns between the renal pyramids. The interlobar arteries then supply blood to the arcuate arteries that run through the boundary of the cortex and the medulla. Each arcuate artery supplies several interlobular arteries that feed into the afferent arterioles that supply the glomeruli. After filtration occurs, the blood moves through a small network of
Cystic artery equivalent of the posterior branch. It must be identified and ligated in operations that remove the gallbladder (cholecystectomies). Cystic artery The cystic artery (also known as bachelor artery) supplies oxygenated blood to the gallbladder and cystic duct. In the classic arrangement, occurring with a frequency of approximately 70%, a singular cystic artery originates from the geniculate flexure of the right hepatic artery in the upper portion of the hepatobiliary triangle. A site of origin from a more proximal or distal portion of the right hepatic artery is also considered relatively normal. After separating from the right hepatic artery, the cystic