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Histograms showing, from top tobottom, the mean reduction in size of the cuneate and external cuneate nuclei of the affected side in comparison with those of the opposite sides, with cell shrinkage, modest reduction in the number of neurons, and the increase in cell density in the seven animals subjected to unilateral rhizotomies, plus the lack of significant changes in the gracile nuclei. Error bars denote SD; *Significance at the p value indicated.
