1 the effects of thyroid state on the properties of adrenoceptors mediating inotropic and chronotropic responses of the rat heart were assessed on the basis of the relative potencies of alpha- and beta-adrenoceptor agonists , the effects of alpha- and beta-adrenoceptor antagonists and the tissue uptake of [ 3h ] -phenoxybenzamine ( [ 3h ] -pb ) .
C0034783
adrenoceptors
C0001643
beta-adrenoceptor