Fig. 7. Epidural fluorescein. Difference between all dorsal root ganglion (DRG) cellular and fiber elements significant ( P < 0.01). Difference between all cord and DRG cellular elements significant ( P < 0.001). Difference between all cord and DRG fiber elements significant ( P < 0.01). a.u. = arbitrary units; Lt = left; Rt = right; SNL = spinal nerve ligation.