using isolated rat aortic strips ( as ) and portal veins ( pv ) , it was found that all of the barbiturates studied ( thiopental , secobarbital , pentobarbital , amobarbital , phenobarbital , and barbital ) : a ) inhibit development of spontaneous mechanical activity ( vasomotion ) in as and pv in concentrations used to induce surgical anesthesia or concentrations used for anticonvulsive therapy ;
C0004745
barbiturates
C0004743
barbital