... tone An Introduction to Vascular Biology Second edition Vascular biology is an exciting and rapidly advancing area of medical research, with many newand emerging pathophysiological links to an increasing ... pulmonaryvasoconstrictionDepolarization 4-Aminopyridine, quinidine,phenylcyclidine, tedisamil,tetraethylammoniumKIRResting membranepotential K+-induceddilatationDepolarization Ba2+KCaMyogenic ... shock[ATP] I Cromakalim, diazoxide,minoxidil, nicorandil,pinacidil, RP-49356Sulphonylureas, U-37883A,Ba2+Chloride channelsClCaAgonist-induceddepolarization in somesmooth muscle[Ca2+] i NiXumic acids,...