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Figure 9


Fig. 9. Effect of 9-AC on stimulus evoked muscular contraction. (A,B) Muscular contractions were consistently augmented when 1 mmol l–1 9-AC was applied to the bath. Washing with saline almost reversed this effect. The 9-AC effect was basically similar for single contractions (twitch) or tetanus (5 Hz, 10 Hz) contractions, although it seemed to be less pronounced for twitch contractions. However, no significant difference was detected between twitch and tetanus. 9-AC did not change the time course (50% relaxation time) of twitch contractions.





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