develops from neuroblast NB1-2 primary neuron NB1-2 lineage primary neuron 2020-02-20T12:00:00Z FBbt:00048866 lineage 1 embryonic neuron Any neuron that develops from neuroblast NB1-2 during the embryonic phase of neurogenesis. In the larva axons of some Notch ON progeny follow the ventral edge of the neuropil to reach the contralateral dorsal region, while Notch OFF progeny project anteriorly in the ventral neuropil (Mark et al., 2021). NB1-2 lineage embryonic neuron lineage 1 primary neuron fly_anatomy.ontology VFB:FBbt_00048866 lineage 1 embryonic-born neuron NB1-2 lineage primary neuron NB1-2 lineage embryonic-born neuron NB1-2 lineage neuron