(Downloading may take up to 30 seconds.
If the slide opens in your browser, select File -> Save As to save it.)
Click on image to view larger version.

Fig. 7. Inhibition of excitatory junction potentials (EJPs) by the opener inhibitor
(OI) depends on interstimulus interval. A series of recordings from a single
muscle fiber is shown; each trace is the average of six trials. In each
recording, OI is stimulated at the time indicated by the arrow, the opener
excitor (OE) was stimulated at an interstimulus interval indicated to the left
of each trace. Note that the delay is preceded by a negative sign if OE is
stimulated before OI. Scale bar, 2.5 mV, 250 ms.