the npy-induced lh response was not blocked by pretreatment with any of the following drugs : the alpha-adrenoreceptor antagonist phenoxybenzamine , the alpha 1-adrenoreceptor antagonist prazosin , beta-adrenoreceptor antagonist propranolol , the dopamine receptor antagonist pimozide , or the opiate receptor agonist morphine .
C0034784
alpha-adrenoreceptor
C0001638
alpha 1-adrenoreceptor