comparison of the dissociation constant of yohimbine in the aorta with dissociation constants obtained from the literature for this compound in a variety of tissues containing alpha-1 or alpha-2 adrenergic receptors indicates that the postsynaptic alpha adrenergic receptor in the aorta is of the alpha-2 type .
C0001639
alpha-2 adrenergic receptors
C0034784
alpha adrenergic receptor