FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term neuroblast NB4-1 ID (Ontology) FBbt:00001397 (Fly Anatomy)
Definition Neuroblast that delaminates at S3 in the medial column and produces the transverse nerve motor neuron, as well as a variety of interneurons (Schmid et al., 1999). In the embryo, one of these cells can be found in each hemisegment from S1-A9 (Birkholz et al., 2013; Urbach et al., 2016). In the larva, it resumes proliferation in all thoracic segments (Lacin and Truman, 2016). The neurons that develop from this neuroblast after larval hatching form postembryonic lineage 14 (Lacin and Truman, 2016).[ FlyBase:FBrf0112030 FlyBase:FBrf0180161 FlyBase:FBrf0221210 FlyBase:FBrf0228122 FlyBase:FBrf0231327 FlyBase:FBrf0232096 ]
Also Known As "lineage 14 neuroblast" ; "lineage NB4-1 neuroblast" ; "NB 14" (for all, see Synonyms field below)
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VFB:FBbt_00001397
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
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 neuroblast NB4-1 (all annotations which use CV term, excluding "NOT" statements)
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central nervous system
 |__segmentally-repeated neuroblast__
neuroblast                           |
 |__stage 3 neuroblast_______________|
 |__segmentally-repeated neuroblast__|
ectodermal derivative                |
 |__segmentally-repeated neuroblast__|
                                     neuroblast NB4-1  15 rec.
                                      |__abdominal neuroblast NB4-1
                                      |__labial neuroblast NB4-1
                                      |__mandibular neuroblast NB4-1
                                      |__maxillary neuroblast NB4-1
                                      |__thoracic neuroblast NB4-1
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Is a stage 3 neuroblast
segmentally-repeated neuroblast
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VFB:FBbt_00001397