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Double immunofluorescent labelling of Rac1 and NeuN in vehicle‐treated rats. Immunofluorescent labelling of Rac1 (A) and NeuN (B) in the injection side of spinal dorsal horn of rats that received s.c. saline (vehicle) into a hind paw. (C) Merged images of A and B. A1–A2, B1–B2 and C1–C2 show enlarged images of the insets in A, B and C respectively. Scale bars, 150 μm (A–C), 50 μm (A1–C1, A2–C2).
