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Single-subject axial T2-weighted (T2), FA, parallel diffusivity (λ‖), and perpendicular diffusivity (λ⊥) images of L2 spinal cords of uninjured rats (control) and rats 38 h (38H), 3 d (3D), 7 d (7D), and 30 d (30D) after dorsal root axotomy. The insets in the λ⊥ image show enlarged dorsal column white matter. Yellow arrows indicate lesions in the dorsal column. R, Right; L, left (here and in all applicable figures).
