adrenaline ( 1.5 x 10 ( -7 ) m-6.3 x 10 ( -7 ) m ) , noradrenaline ( 1.6 x 10 ( -7 ) m-6.3 x 10 ( -7 ) m ) , and tyramine ( 2.9 x 10 ( -6 ) m-5.8 x 10 ( -6 ) m ) increased the activity and tonus of the sphincter musculature and decreased duodenal activity and tone .
C0014563
adrenaline
C0028351
noradrenaline