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The size of axonal swellings decreases with increased survival post‐CCI. The average maximal diameter of axonal swellings of both (A) terminally disconnected bulbs and (B) axonal varicosities along intact axons decreases over time following CCI. (*P ≤ 0.05, **P ≤ 0.01, ***P ≤ 0.001). (C–F) Representative examples of the relative size of axonal swellings in the peri‐contusional region in cleared tissue at (C) 6 h, (D) 24 h, (E) 1‐week and (F) 1‐month post‐CCI. Scale bars: (C–F) 20 µm.
