Spinal cord
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We have applied conventional histochemical and morphometric techniques to study the changes within the human spinal 'hand' motor neuron pool after spinal cord injury in patients who presented with acute traumatic central cord syndrome (ATCCS). ⋯ We hypothesize that hand dysfunction in ATCCS can be observed after spinal cord injury without any apparent loss in the number of motor neurons supplying the hand musculature as seen in our acute/sub-acute (n=2) and our chronic high injury (n=1) groups. The motor neuron loss seen in the chronic low level injury was felt to be secondary to the loss of C7, C8, and T1 neurons adjacent to the injury epicenter.