FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term optic neuroblast ID (Ontology) FBbt:00052344 (Fly Anatomy)
Definition Neuroblast that generates neurons of the optic lobe. It arises from the optic lobe neuroepithelium, with some delaminating during the embryonic stage and others delaminating during the larval stage (Hakes et al., 2018).[ FlyBase:FBrf0240123 ]
Comment
Links to External Ontologies
VFB:FBbt_00052344
Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN       9
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       9
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 Full annotation statements 
Relevant FlyBase reports
 Alleles  Constructs
 optic neuroblast (all annotations which use CV term, excluding "NOT" statements)       9      1      9
     optic neuroblast | ectopic | larval stage | somatic clone       2       --       2
     optic neuroblast | larval stage | somatic clone       2       --       2
     optic neuroblast | P-stage | decreased number | somatic clone       3       --       3
     optic neuroblast | P-stage | increased number       2       --       2
     optic neuroblast | P-stage | increased number | somatic clone       6       --       6
Spanning Tree (Parents/Children)
Only view relationship: 
procephalic neuroblast
 |__protocerebral neuroblast__
neuroblast                    |
 |__larval neuroblast_________|
                              optic neuroblast  85 rec.
                               |__embryonic optic neuroblast 1 rec.
                               |__inner optic anlage neuroblast 7 rec.
                               |   |__lobula forming neuroblast
                               |__larval optic neuroblast 14 rec.
                               |__medulla forming neuroblast 30 rec.
                               |__outer optic anlage neuroblast 26 rec.
                                   |__lamina forming neuroblast 23 rec.
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Is a protocerebral neuroblast
larval neuroblast
Develops from optic lobe neuroepithelial cell
Part of embryonic/larval optic lobe
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Synonyms
Secondary IDs
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VFB:FBbt_00052344