Figure 5. The selective kappa-opioid agonist U-50488 H (10 sup -5 M) had no significant effect on the contractile response to acetylcholine (P > 0.11), suggesting a prejunctional effect of U-50488 H. Data from the four regions were averaged.
Figure 5. The selective kappa-opioid agonist U-50488 H (10 sup -5 M) had no significant effect on the contractile response to acetylcholine (P > 0.11), suggesting a prejunctional effect of U-50488 H. Data from the four regions were averaged.
