two preparations , a segment of the ileum and the myenteric plexuslongitudinal muscle preparation , have been used for an analysis of the inhibitory effects of adrenaline , noradrenaline and isoprenaline on the contractor responses of the longitudinal muscle to acetylcholine or to electrical , coaxial or field , stimulation.2 .
C0014563
adrenaline
C0028351
noradrenaline