FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term embryonic protocerebrum ID (Ontology) FBbt:00001066 (Fly Anatomy)
Definition Protocerebrum of the embryo. It is the most anterior of the supraesophageal neuromeres, located anterior to the deutocerebral neuromere. It is derived from the labral and ocular segments.[ FlyBase:FBrf0089570 ]
Also Known As "neuromere b1"
Comment
Links to External Ontologies
VFB:FBbt_00001066
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      12
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION      22
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       1
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       1
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
 embryonic protocerebrum (all annotations which use CV term, excluding "NOT" statements)      12     12     23      1
     embryonic protocerebrum | embryonic stage 11       1       --       --       --
     embryonic protocerebrum | embryonic stage 12       2       --       --       1
Spanning Tree (Parents/Children)
Only view relationship: 
embryonic brain
 |__embryonic supraesophageal neuromere__
neuromere                                |
 |__protocerebrum________________________|
ectodermal derivative                    |
 |__anterior ectoderm derivative_________|
supraesophageal zone                     |
 |__protocerebrum________________________|
embryonic neuromere                      |
 |__embryonic supraesophageal neuromere__|
                                         embryonic protocerebrum  56 rec.
                                          |__anterior protocerebral neuromere 7 rec.
                                          |__central protocerebral neuromere
                                          |__posterior protocerebral neuromere 1 rec.
                                          |__protocerebral embryonic fiber tract
                                          |   |__lateral protocerebral tract
                                          |   |__medial protocerebral tract
                                          |__protocerebral embryonic fiber tract founder cluster 1 rec.
                                              |__P1 fiber tract founder cluster
                                              |__P2l fiber tract founder cluster
                                              |__P2m fiber tract founder cluster
                                              |__P3l fiber tract founder cluster
                                              |__P3m fiber tract founder cluster
                                              |__P4l fiber tract founder cluster
                                              |__P4m fiber tract founder cluster
                                              |__P5l fiber tract founder cluster
                                              |__P5m fiber tract founder cluster 1 rec.
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Is a embryonic supraesophageal neuromere
protocerebrum
anterior ectoderm derivative
Develops from protocerebrum primordium
Part of
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Synonyms
Secondary IDs
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VFB:FBbt_00001066