has characteristic fasciculates with expresses receives synaptic input in region sends synaptic output to region Proc adult DN period neuron DN2 neuron Adult DN period neuron whose medium-sized cell body is located posteriolaterally in the dorsal superior brain (Helfrich-Forster, 2005). A dendritic lateral branch projects into the superior lateral protocerebrum, forming a characteristic loop towards, but not reaching, the ipsilateral anterior optic tubercle (Reinhard et al., 2022). It also has an axonal branch extending contralaterally, via the middle dorsal commissure, terminating in the superior medial protocerebrum just before reaching the contralateral DN2 cell bodies (Reinhard et al., 2022). It expresses Allatostatin C and Proctolin (Reinhard et al., 2024). There are 2 of these cells per hemisphere (Helfrich-Forster, 2005; Ma et al., 2021). One cell is CRY negative, the other is weakly CRY positive, but they do not have morphological differences (Reinhard et al., 2022). DN2 adult dorsal neuron 2 VFB:FBbt_00003630 DN2 FBbt:00003630 fly_anatomy.ontology adult dorsal neuron-2 superior lateral protocerebrum superior medial protocerebrum allatostatin C neuron adult middle dorsal commissure neurosecretory cell of adult brain adult peptidergic neuron bilateral