Fig. 2. Effects of H-7. (A) Control levamisole (Lev) response and responses in the presence of 30 µmol l^-1 H-7. Notice that there is a transient response following the application of H-7 and that the levamisole responses in the presence of H-7 are only a slightly lower amplitude than the control. (B) Effect of H-7 on the membrane potential response to 10 µmol l^-1 acetylcholine (ACh). Representative recording, control acetylcholine response and responses in the presence of 10 µmol l^-1 H-7 are shown. Notice that the acetylcholine responses in the presence of H-7 are the same size as the control responses.

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