has soma location metathoracic neuron metathoracic neuromere serotonergic neuron serotonergic thoracic neuron serotonergic T3 neuron 2014-11-13T14:33:02Z VFB:FBbt_00110962 FBbt:00110962 fly_anatomy.ontology Serotonergic neuron located in the third thoracic ganglion of the larva, and ventromedial and posterior in the metathoracic neuromere of the adult (Valles and White, 1988). There are two cell bodies in each cluster.