FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term neuroblast NB3-5 ID (Ontology) FBbt:00001375 (Fly Anatomy)
Definition Neuroblast that delaminates at stage 1 in the interior-most row of the lateral column (Hartenstein and Campos-Ortega, 1984), and generates a diverse array of cell types including motorneurons, intersegmental interneurons, local interneurons, glial cells and sometimes a PNS sub-clone. In the embryo, one of these cells can be found in each hemisegment from S1-A10 (Birkholz et al., 2013; Urbach et al., 2016). In the larva, it resumes proliferation in all thoracic segments, and anterior (A1-A7) abdominal segments (Lacin and Truman, 2016). The neurons that develop from this neuroblast after larval hatching form postembryonic lineage 9.[ FlyBase:FBrf0055900 FlyBase:FBrf0073294 FlyBase:FBrf0084809 FlyBase:FBrf0112030 FlyBase:FBrf0221210 FlyBase:FBrf0228122 FlyBase:FBrf0231327 FlyBase:FBrf0232096 ]
Also Known As"dorsolateral neuroblast" ; "lineage 9 neuroblast" ; "lineage NB3-5 neuroblast" (for all, see Synonyms field below)
CommentThis is equivalent to the 'dorsolateral neuroblast' of Truman and Bate (1988) - FBrf0047815, due to existence in A2-7 and large size of lineage (Lacin and Truman, 2016). Lacin and Truman (2016) do not show data for neuromeres posterior to A7.
Links to External Ontologies
VFB:FBbt_00001375
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 neuroblast NB3-5 (all annotations which use CV term, excluding "NOT" statements)
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central nervous system
 |__segmentally-repeated neuroblast__
neuroblast                           |
 |__stage 1 neuroblast_______________|
 |__segmentally-repeated neuroblast__|
ectodermal derivative                |
 |__segmentally-repeated neuroblast__|
                                     neuroblast NB3-5  22 rec.
                                      |__abdominal neuroblast NB3-5 6 rec.
                                      |   |__abdominal 1 neuroblast NB3-5
                                      |   |__abdominal 2 neuroblast NB3-5 1 rec.
                                      |   |__abdominal 3 neuroblast NB3-5 2 rec.
                                      |   |__abdominal 4 neuroblast NB3-5 1 rec.
                                      |   |__abdominal 5 neuroblast NB3-5 1 rec.
                                      |   |__abdominal 6 neuroblast NB3-5 1 rec.
                                      |   |__abdominal 7 neuroblast NB3-5 2 rec.
                                      |__labial neuroblast NB3-5
                                      |__mandibular neuroblast NB3-5
                                      |__maxillary neuroblast NB3-5
                                      |__thoracic neuroblast NB3-5 1 rec.
                                          |__mesothoracic neuroblast NB3-5 1 rec.
                                          |__metathoracic neuroblast NB3-5 1 rec.
                                          |__prothoracic neuroblast NB3-5 1 rec.
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Is a stage 1 neuroblast
segmentally-repeated neuroblast
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VFB:FBbt_00001375