FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term neuroblast NB5-6 ID (Ontology) FBbt:00001377 (Fly Anatomy)
Definition Neuroblast that delaminates during S1 and generates subperineural glia, cell body glia and interneurons during the embryonic stage (Schmid et al., 1999). Its first division produces a glioblast and a neuroblast that does not produce any glia (Bernardoni et al., 1999). In the embryo, one of these cells can be found in each hemisegment from S1-A10 (Birkholz et al., 2013; Urbach et al., 2016). It dies in abdominal and thoracic segments by apoptosis during late embryogenesis (Baumgardt et al., 2009; Lacin and Truman, 2016), but survives to produce a secondary lineage in the labial neuromere (Lacin and Truman, 2016).[ FlyBase:FBrf0055900 FlyBase:FBrf0073294 FlyBase:FBrf0084809 FlyBase:FBrf0112030 FlyBase:FBrf0124972 FlyBase:FBrf0209429 FlyBase:FBrf0221210 FlyBase:FBrf0231327 FlyBase:FBrf0232096 ]
Also Known As"lineage NB5-6 neuroblast" ; "neuroblast NB5-6"
CommentLacin and Truman (2016) do not show data for neuromeres anterior to S3 (labial).
Links to External Ontologies
VFB:FBbt_00001377
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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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 Alleles Genes Insertions Constructs
 neuroblast NB5-6 (all annotations which use CV term, excluding "NOT" statements)
     neuroblast NB5-6 | cell autonomous
      --       --       --
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central nervous system
 |__segmentally-repeated neuroblast__
neuroblast                           |
 |__stage 1 neuroblast_______________|
 |__segmentally-repeated neuroblast__|
neuroglioblast                       |
 |__type I neuroglioblast____________|
ectodermal derivative                |
 |__segmentally-repeated neuroblast__|
                                     neuroblast NB5-6  59 rec.
                                      |__abdominal neuroblast NB5-6 15 rec.
                                      |__labial neuroblast NB5-6
                                      |__mandibular neuroblast NB5-6
                                      |__maxillary neuroblast NB5-6
                                      |__thoracic neuroblast NB5-6 33 rec.
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Is a stage 1 neuroblast
segmentally-repeated neuroblast
type I neuroglioblast
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Synonyms
  • "lineage NB5-6 neuroblast" EXACT
    "neuroblast NB5-6" EXACT PRIMARY_VNC_LINEAGE
Secondary IDs
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VFB:FBbt_00001377