has characteristic serotonergic T1 neuron serotonergic T1 neuron 1 2014-11-13T14:33:02Z serotonergic T1-1 neuron Serotonergic T1 neuron located in the first thoracic ganglion of the larva, and ventromedial and posterior in the prothoracic neuromere of the adult (Valles and White, 1988). It sparsely innervates the contralateral hemisphere. VFB:FBbt_00110971 FBbt:00110971 fly_anatomy.ontology bilateral