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The coronal slice from a T1-weighted volume of a 52-week old kidney is shown in (A) with magnified regions shown in (B–D). Fewer, enlarged glomeruli and arterioles can be seen in (B) compared to the younger kidney, there are more spaces in the tubules of the outer medulla (C), and the collecting ducts in (D) are less densely packed in the aged kidney. Scale bars = 1 mm.
