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Science 25 November 1983:
Vol. 222. no. 4626, pp. 934 - 935
DOI: 10.1126/science.6635665
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Articles

Science, Vol 222, Issue 4626, 934-935
Copyright © 1983 by American Association for the Advancement of Science

articles

Activation of central neurons by ventral root afferents

JM Chung, KH Lee, K Endo, and RE Coggeshall

It is a fundamental principle of vertebrate neuronal organization that sensory fibers are restricted to dorsal roots and motor fibers to ventral roots. Recent evidence, however, indicates that there are many sensory fibers in ventral roots. The present report shows that stimulation of these fibers activates neurons in the dorsal horn. This provides evidence at the single-cell level for the importance of ventral root afferents and provides an explanation for the clinical phenomenon of recurrent sensibility.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)