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Blood vessels branching from the renal artery flow directly into the kidney with a systolic blood pressure of 120 mmHg. In the renal parenchyma, blood flows into the interlobar arteries, the arcuate arteries, and then into the interlobular arteries. Blood then flows from the interlobular arteries into the afferent arterioles to supply the glomerulus. The intraglomerular pressure is maintained at 60 mmHg.
