administration of naloxone to estradiol-primed rats increased lh release and potentiated the depletion of norepinephrine in the preoptic-anterior hypothalamus and medial basal hypothalamus , and enhanced the decline of epinephrine and of dopamine in the medial basal hypothalamus , suggesting increased catecholamine activity in these regions .
C0028351
norepinephrine
C0014563
epinephrine