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Fig. 3. Synaptic responses elicited by both the opener inhibitor (OI) and the
common inhibitor (CI) can be detected in many regions of the dactyl opener
muscle. Intracellular recordings from different areas of the muscle (labeled
AD) are shown. In each case, CI was stimulated before OI. Scale bars
for electrophysiological recordings, 2.5 mV, 0.5 s. Scale bar for photo, 0.25
cm.