Noradrenaline and Inhibition of Renshaw Cells

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Science  11 Mar 1966:
Vol. 151, Issue 3715, pp. 1230-1231
DOI: 10.1126/science.151.3715.1230


Although postsynaptic inhibition of Renshaw cells in the spine is blocked by strychnine the depression of these neurons by electrophoretically administered noradrenaline is resistant to this alkaloid. This finding raises doubts as to whether noradrenaline is an inhibitory transmitter in the spinal cord of the cat.