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Section of a spinal cord, one half of which shows the tracts of the white matter, and the other half (right) shows the position of the nerve cells in the gray matter. 7, 10, 9, and 3 are tracts of descending degeneration, 1, 4, 6, and 8, of the ascending degeneration.

Section of the Spinal Cord

Section of a spinal cord, one half of which shows the tracts of the white matter, and the other half…