Figure 1

K+-induced contractile responses in intact (a, c, e) and denuded (b,d, f) arteries in presence of vehicle (all panels, solid lines and closed circles), SOL1 (a and b, dotted lines and closed triangles), losartan (c and d, dotted lines and closed triangles) or hydralazine (c and d, dotted lines and closed triangles). Open symbols: in the presence of l-NAME (L–N).