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Fig. 3. NdWFamide enhances the nerve-evoked contractions of the vasoconstrictor
muscle. (A) and (B) are from the different preparations. The contraction of
the muscle was evoked by the nerve stimuli as described in
Fig. 2. Duration of each
stimulus train in A and B were 1 s and 0.4 s, respectively. Note a tonic
contraction was also induced by NdWFamide at higher concentrations.