Fig. 4. Effects of intravenous anesthetics on veratridine-evoked release of CCK8s. Open bar: veratridine-evoked release with 0.1 mm EGTA and no added CaCl2(−); filled bars: veratridine-evoked release with 1.3 mm CaCl2(+). The data shown are from a single representative experiment (mean ± SD of triplicate assays). There were no significant differences in veratridine-evoked release between anesthetic-treated and control synaptosomes by analysis of variance (P > 0.05; n = 3). *P < 0.05 versus control veratridine-evoked release.