develops from neuroblast NB4-1 primary neuron NB4-1 lineage primary neuron 2020-02-20T12:00:00Z FBbt:00048877 lineage 14 embryonic-born neuron Any neuron that develops from neuroblast NB4-1 during the embryonic phase of neurogenesis. The Notch ON hemilineage projects to the dorsal neuropil of both hemispheres and the Notch OFF hemilineage projects to the ventral neuropil of both hemispheres (Mark et al., 2021). NB4-1 lineage embryonic-born neuron lineage 14 embryonic neuron lineage 14 primary neuron NB4-1 lineage primary neuron VFB:FBbt_00048877 NB4-1 lineage embryonic neuron fly_anatomy.ontology NB4-1 lineage neuron