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Elements of the renal renin–angiotensin system (RAS). Depicted in grey boxes are RAS components made locally. AA, afferent arteriole; AGT, angiotensinogen; AT1R, angiotensin II type 1 receptor; CD, collecting duct; DT, distal tubule; EA, efferent arteriole; G, glomerulus; PT, proximal tubule; TAL, thick ascending limb.
