FB2026_03 , released September 17, 2026
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Term NB1-2 lineage primary neuron ID (Ontology) FBbt:00048866 (Fly Anatomy)
Definition 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).[ FlyBase:FBrf0231327 FlyBase:FBrf0249021 ]
Also Known As"lineage 1 embryonic neuron" ; "lineage 1 embryonic-born neuron" ; "lineage 1 primary neuron" (for all, see Synonyms field below)
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VFB:FBbt_00048866
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neuron
 |__primary neuron________
ectodermal derivative     |
 |__NB1-2 lineage neuron__|
CNS neuron                |
 |__NB1-2 lineage neuron__|
                          NB1-2 lineage primary neuron  7 rec.
                           |__larval DC1 motor neuron
                           |__larval mesothoracic DC motor neuron
                           |__lineage NB1-2 primary interneuron 7 rec.
                           |   |__adult IN01A001 neuron
                           |   |__adult IN01A002 neuron
                           |   |__adult IN01A003 neuron
                           |   |__adult IN01A004 neuron
                           |   |__adult IN01A013 neuron
                           |   |__adult IN01A022 neuron
                           |   |__adult IN01A024 neuron
                           |   |__adult IN01A028 neuron
                           |   |__adult IN01A031 neuron
                           |   |__adult IN01A043 neuron
                           |   |__adult IN01A044 neuron
                           |   |__adult IN01A045 neuron
                           |   |__adult IN01A046 neuron
                           |   |__adult IN01A048 neuron
                           |   |__adult IN01A051 neuron
                           |   |__adult IN01A059 neuron
                           |   |__adult IN01A061 neuron
                           |   |__adult IN01A065 neuron
                           |   |__adult IN01B001 neuron
                           |   |__adult IN01B002 neuron
                           |   |__adult IN01B003 neuron
                           |   |__adult IN01B006 neuron
                           |   |__adult IN01B007 neuron
                           |   |__larval A01a1 neuron(+)
                           |   |__larval A01a2 neuron(+)
                           |   |__larval A01b2 neuron(+)
                           |   |__larval A01c2 neuron(+)
                           |   |__larval A01d4 neuron(+)
                           |   |__larval A01h neuron(+)
                           |   |__larval A01j neuron(+)
                           |   |__larval A01m neuron(+)
                           |   |__larval A01n neuron(+)
                           |   |__larval A01x2 neuron(+)
                           |   |__larval A01x3 neuron(+)
                           |   |__larval excitatory interneuron eIN-2(+) 3 rec.
                           |   |__larval excitatory interneuron eIN-3(+) 3 rec.
                           |   |__larval NB1-2 anterior commissure primary interneuron
                           |   |__larval NB1-2 ipsilateral primary interneuron
                           |   |__larval NB1-2 posterior commissure primary interneuron
                           |   |__larval T01d neuron(+)
                           |   |__larval T01d1 neuron(+)
                           |   |__larval T01d2 neuron(+)
                           |   |__larval T01d4 neuron(+)
                           |   |__larval T01x3 neuron(+)
                           |   |__TB neuron
                           |__NB1-2 Notch OFF hemilineage primary neuron
                           |   |__adult AN01B002 neuron
                           |   |__adult AN01B004 neuron
                           |   |__adult IN01B001 neuron
                           |   |__adult IN01B002 neuron
                           |   |__adult IN01B003 neuron
                           |   |__adult IN01B006 neuron
                           |   |__adult IN01B007 neuron
                           |   |__larval A01m neuron(+)
                           |   |__larval A01n neuron(+)
                           |__NB1-2 Notch ON hemilineage primary neuron 6 rec.
                               |__adult AN01A001 neuron
                               |__adult AN01A006 neuron
                               |__adult AN01A014 neuron
                               |__adult AN01A021 neuron
                               |__adult AN01A033 neuron
                               |__adult AN01A049 neuron
                               |__adult AN01A055 neuron
                               |__adult AN01A086 neuron
                               |__adult IN01A001 neuron
                               |__adult IN01A002 neuron
                               |__adult IN01A003 neuron
                               |__adult IN01A004 neuron
                               |__adult IN01A013 neuron
                               |__adult IN01A022 neuron
                               |__adult IN01A024 neuron
                               |__adult IN01A028 neuron
                               |__adult IN01A031 neuron
                               |__adult IN01A043 neuron
                               |__adult IN01A044 neuron
                               |__adult IN01A045 neuron
                               |__adult IN01A046 neuron
                               |__adult IN01A048 neuron
                               |__adult IN01A051 neuron
                               |__adult IN01A059 neuron
                               |__adult IN01A061 neuron
                               |__adult IN01A065 neuron
                               |__larval A01a1 neuron(+)
                               |__larval A01a2 neuron(+)
                               |__larval A01b2 neuron(+)
                               |__larval A01c2 neuron(+)
                               |__larval A01d4 neuron(+)
                               |__larval A01j neuron(+)
                               |__larval A01x2 neuron(+)
                               |__larval A01x3 neuron(+)
                               |__larval excitatory interneuron eIN-2(+) 3 rec.
                               |__larval excitatory interneuron eIN-3(+) 3 rec.
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VFB:FBbt_00048866