as , however , the influence of such procedures upon the responses to sympathomimetic drugs is controversial , the parameters pd2 ( apparent affinity constant ) , alpha ( intrinsic activity ) and rho ( relative responsiveness ) of adrenaline , noradrenaline , methoxamine and phenylephrine on the seminal vesicles isolated from normal and castrated rats were determined .
C0014563
adrenaline
C0028351
noradrenaline