Orthograde (wallerian) degeneration of an injured nerve fibre; i.e., distal to the lesion, degeneration caudal to the level of a spinal cord lesion. ... (05 Mar 2000) ... 
wallerian degeneration that progresses peripherally along nerve fibers.
Type: Term Definitions: 1. wallerian degeneration of an injured nerve fiber; degeneration distal to the lesion; 2. degeneration caudal to the level of a spinal cord lesion.