part of overlaps serotonergic SP2 neuron adult adult brain adult serotonergic PMP neuron adult serotonergic PMPM neuron 2014-11-13T10:07:48Z Stated to be an anterior cluster by Valles and White (1988) and Giang et al. (2011), mapped to a posterior cluster (PMPM) by Pooryasin and Fiala (2015). SP2 in Giang et al. (2011) also looks like PMPM in Kasture et al. (2018). FBbt:00110957 VFB:FBbt_00110957 fly_anatomy.ontology Adult serotonergic neuron whose cell body is located in the posterior medial protocerebrum, ventral to the cluster of PMPD neurons (Valles and White, 1988; Pooryasin and Fiala, 2015). There are approximately five of these neurons per hemisphere (Giang et al., 2011). adult serotonergic posterior medial protocerebrum, medial neuron adult serotonergic posterior medial posterior medial neuron adult serotonergic SP2 neuron adult serotonergic superior protocerebrum 2 neuron