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1. retrograde degeneration of an injured nerve fiber; that is, toward the nerve cell of the fiber;
2. spinal cord degeneration that begins in one region and then progresses cephalad.
as·cend·ing de·gen·er·a·tion(ă-send'ing dĕ-jen'ĕr-ā'shŭn)
1. Retrograde degeneration of an injured nerve fiber; i.e., toward the nerve cell body.
2. Degeneration cephalad to a spinal cord lesion.
Nerve fiber degeneration progressing to the center from the periphery.
See also: degeneration