FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term protocerebral neuroblast ID (Ontology) FBbt:00001334 (Fly Anatomy)
Definition A neuroblast located in the protocerebrum. None of these are serial homologues of neuroblasts found in the thoracic neuromeres (Urbach et al., 2016).[ FlyBase:FBrf0089217 FlyBase:FBrf0161021 FlyBase:FBrf0232096 ]
Comment In the embryo, individual neuroblasts are named according to their position relative to major morphological features (cephalic furrow, invaginating foregut, dorsal and ventral midline, their relative position with respect to each other, their time of segregation and their expression of markers) (Urbach et al., 2003).
Links to External Ontologies
VFB:FBbt_00001334
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       1
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       8
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Insertions Constructs
 protocerebral neuroblast (all annotations which use CV term, excluding "NOT" statements)       1     23      8      1
Spanning Tree (Parents/Children)
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neuroblast____________________
anterior ectoderm derivative__|
                              procephalic neuroblast
                               |__protocerebral neuroblast  175 rec.
                                   |__anterior protocerebral neuroblast 7 rec.
                                   |   |__dorsal anterior protocerebral neuroblast(+) 7 rec.
                                   |   |__ventral anterior protocerebral neuroblast(+) 6 rec.
                                   |__central protocerebral neuroblast 13 rec.
                                   |   |__dorsal central protocerebral neuroblast(+) 8 rec.
                                   |   |__ventral central protocerebral neuroblast(+) 10 rec.
                                   |__neuroblast BAmd1
                                   |   |__neuroblast BAmd1 (female)
                                   |   |__neuroblast BAmd1 (male)
                                   |__neuroblast BAmv1
                                   |__neuroblast BLAd5
                                   |__neuroblast BLAl1
                                   |__neuroblast BLAl2
                                   |__neuroblast BLAvm
                                   |__neuroblast BLD1
                                   |__neuroblast BLD2
                                   |__neuroblast BLD3
                                   |__neuroblast BLD4
                                   |__neuroblast BLD5
                                   |__neuroblast BLD6
                                   |__neuroblast BLP1
                                   |__neuroblast BLP2
                                   |__neuroblast BLP4
                                   |__neuroblast BLVa1
                                   |__neuroblast BLVa2
                                   |__neuroblast BLVa2a
                                   |__neuroblast BLVa2b
                                   |__neuroblast BLVa2c
                                   |__neuroblast BLVp1
                                   |__neuroblast BLVp2
                                   |__neuroblast CP4
                                   |__neuroblast CP6
                                   |__neuroblast DALcl1
                                   |__neuroblast DALcl2
                                   |__neuroblast DALl2
                                   |__neuroblast DALv1
                                   |__neuroblast DALv3
                                   |__neuroblast DAMd1
                                   |__neuroblast DPL 1 rec.
                                   |   |__neuroblast DPLal1
                                   |   |__neuroblast DPLal2
                                   |   |__neuroblast DPLal3
                                   |   |__neuroblast DPLam
                                   |   |__neuroblast DPLc1
                                   |   |__neuroblast DPLc2
                                   |   |__neuroblast DPLc3
                                   |   |__neuroblast DPLc4
                                   |   |__neuroblast DPLc5
                                   |   |__neuroblast DPLc6
                                   |   |__neuroblast DPLcv
                                   |   |__neuroblast DPLd
                                   |   |__neuroblast DPLl1
                                   |   |__neuroblast DPLl2
                                   |   |__neuroblast DPLl3
                                   |   |__neuroblast DPLm1
                                   |   |__neuroblast DPLm2
                                   |   |__neuroblast DPLp1
                                   |   |__neuroblast DPLp2
                                   |   |__neuroblast DPLpv
                                   |__neuroblast DPM
                                   |   |__neuroblast DPMl1
                                   |   |__neuroblast DPMl2
                                   |   |__neuroblast DPMm1
                                   |   |__neuroblast DPMm2
                                   |   |__neuroblast DPMm3
                                   |   |__neuroblast DPMpl1
                                   |   |__neuroblast DPMpl2
                                   |   |__neuroblast DPMpl3
                                   |   |__neuroblast DPMpm1
                                   |   |__neuroblast DPMpm2
                                   |__neuroblast LHa4
                                   |__neuroblast MBp 61 rec.
                                   |   |__neuroblast MBp1
                                   |   |__neuroblast MBp2
                                   |   |__neuroblast MBp3
                                   |   |__neuroblast MBp4
                                   |   |__Pcd2 neuroblast 7 rec.
                                   |   |__Pcd4 neuroblast 6 rec.
                                   |   |__Pcd9 neuroblast 6 rec.
                                   |   |__Pcv9 neuroblast 7 rec.
                                   |__neuroblast SLPal4
                                   |__neuroblast SLPpm4
                                   |__neuroblast SMPad1
                                   |   |__neuroblast SMPad1 (female)
                                   |   |__neuroblast SMPad1 (male)
                                   |__neuroblast SMPad2
                                   |__neuroblast SMPad4
                                   |__neuroblast VLPl1
                                   |__neuroblast VPNd2
                                   |__neuroblast VPNd3
                                   |__neuroblast VPNd4
                                   |__neuroblast VPNp2
                                   |__neuroblast VPNp3
                                   |__neuroblast VPNv1
                                   |__neuroblast VPNv2
                                   |__neuroblast VPNv3
                                   |__optic neuroblast 85 rec.
                                   |   |__embryonic optic neuroblast 1 rec.
                                   |   |__inner optic anlage neuroblast(+) 7 rec.
                                   |   |__larval optic neuroblast 14 rec.
                                   |   |__medulla forming neuroblast 30 rec.
                                   |   |__outer optic anlage neuroblast(+) 26 rec.
                                   |__posterior protocerebral neuroblast 12 rec.
                                       |__dorsal posterior protocerebral neuroblast(+) 9 rec.
                                       |__ventral posterior protocerebral neuroblast(+) 7 rec.
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Is a procephalic neuroblast
Part of protocerebrum
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Synonyms
Secondary IDs
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VFB:FBbt_00001334