as a means to examine this conflict , we have utilized an in vitro superfusion system to study the effects of da , norepinephrine ( ne ) , phentolamine ( alpha-antagonist ) , pimozide ( da antagonist ) , and two da agonists ( apomorphine and bromocryptine ) on gnrh release from isolated mediobasal hypothalami from adult male rats .
C0023610
gnrh
C0020663
hypothalami