retrograde

ret·ro·grade

adj \ˈre-trə-ˌgrād\

Definition of RETROGRADE

1

: characterized by retrogression

2

: affecting memories of a period prior to a shock or seizure <retrograde amnesia>

3

: occurring or performed in a direction opposite to the normal or forward direction of conduction or flow: as a : occurring along nerve cell processes toward the cell body <retrograde axonal transport> <retrograde degeneration of nerve fibers> b : occurring opposite to the normal direction or path of blood circulation <apply bandaging to the lower extremities to produce pressure to reduce retrograde blood flow in veins with incompetent valves>—compare anterograde 2

—ret·ro·grade·ly adverb