primary neuron Notch OFF hemilineage primary neuron 2020-02-25T12:38:32Z fly_anatomy.ontology Primary neuron belonging to a hemilineage that does not have active Notch signaling. In the larval ventral nerve cord, Notch OFF neurons tend to project to the ventral (sensory) neuropil and have distinct morphologies from their Notch ON counterparts in the same lineage (Mark et al., 2021). B hemilineage primary neuron VFB:FBbt_00047105 FBbt:00047105 Notch OFF hemilineage neuron