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Figure 5


Fig. 5. The effect of removing endogenous NO by bath application of the NO scavenger PTIO. (Ai) A 10 min bath application of 0.5 mmol l–1 PTIO caused a statistically significant decrease in cycle frequency (t=2.04, *P<0.05, N=11). A 30 min wash with locust saline resulted in the digging rhythm returning to its original cycle frequency. (Aii) An example showing that a 10 min bath application of 0.5 mmol l–1 PTIO resulted in a decrease in the number of cycles within the same time period.