the synaptic relationship between catecholamine terminals and adrenocorticotropic hormone ( acth ) -containing neurons in the arcuate nucleus ( an ) of the rat hypothalamus was investigated by electron microscopy , using acth immunocytochemistry combined with autoradiography after 3h-dopamine ( 3h-da ) injection or 5-hydroxydopamine ( 5-ohda ) uptake in the same tissue section .
C0007412
catecholamine
C0013030
dopamine