obsolete corpus cardiacum innervating neuron CC/A-PI 1 true Obsoleted due to equivalence with FBbt:00110035 'larval insulin secreting cell of pars intercerebralis' (Huckesfeld et al., 2021 - FBrf0249161). Believed to be octopaminergic on the basis of tyramine beta hydroxylase expression (Siegmund and Korge, 2001). FBbt:00007467 Octopaminergic larval neurosecretory neuron whose soma is located in the pars intercerebralis and whose axon innervates the corpus cardiacum and the aorta. There are six of these per animal. fly_anatomy.ontology larval insulin secreting cell of pars intercerebralis