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(A) Micrograph of a lumbar spinal cord transverse section showing the unlesioned ventral root morphology with intact axons (arrow). (B) Lesioned ventral root (arrowhead) with signs of ongoing Wallerian degeneration. (C) Paw paralysis behavior following L4, L5 and L6 ventral root lesion. Observe the adduction pattern of the toes combined with muscle atrophy (dotted red circle). (D) Gait analysis by the CatWalk system showing hindlimb loss of function ipsilateral to the lesion (RH).
