cellular relationships between serotonin ( 5-ht ) axons and tyrosine hydroxylase ( th ) -containing neurons were examined by combined ( 3h ) 5-ht uptake radioautography and th immunocytochemistry in the medial zona incerta ( zi ) of adult rats , 7 and 50 days after an intracerebral injection of 5,7-dihydroxytryptamine ( 5,7-dht ) .
C0004461
axons
C0027882
neurons