Figure 7. Effects of pretreatment with each selective muscarinic antagonist on reversal of the antiallodynic state produced by 100 [micro sign]g intrathecally administered edrophonium. The results are expressed as the mean +/− SD of six to eight rats in each group. The asterisk shows the value of P < 0.05 compared with edrophonium group. Ed = edrophonium; Pir = pirenzepine; Meth = methoctramine; Trop = tropicamide.