FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term head segment ID (Ontology) FBbt:00000006 (Fly Anatomy)
Definition Any segment (FBbt:00000003) that is part of some head (FBbt:00000004).[ FlyBase:FBrf0075072 ]
Comment
Links to External Ontologies
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       3
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
 head segment (all annotations which use CV term, excluding "NOT" statements)       1      4      3
Spanning Tree (Parents/Children)
Only view relationship: 
  anterior-posterior subdivision of organism
   |__segment
       |__head segment  9249 rec.
           |__adult head segment 7714 rec.
           |   |__adult gnathal segment(+) 671 rec.
           |   |__adult procephalic segment(+) 7230 rec.
           |__embryonic head segment 438 rec.
           |   |__embryonic gnathal segment(+) 250 rec.
           |   |__embryonic procephalic segment(+) 283 rec.
           |__gnathal segment 1199 rec.
           |   |__adult gnathal segment(+) 671 rec.
           |   |__embryonic gnathal segment(+) 250 rec.
           |   |__labial segment(+) 620 rec.
           |   |__larval gnathal segment(+) 171 rec.
           |   |__mandibular segment(+) 116 rec.
           |   |__maxillary segment(+) 607 rec.
           |__larval head segment 1084 rec.
           |   |__larval gnathal segment(+) 171 rec.
           |   |__larval procephalic segment(+) 981 rec.
           |__procephalic segment 8505 rec.
               |__adult procephalic segment(+) 7230 rec.
               |__antennal segment(+) 7629 rec.
               |__embryonic procephalic segment(+) 283 rec.
               |__intercalary segment(+) 717 rec.
               |__labral segment(+) 308 rec.
               |__larval procephalic segment(+) 981 rec.
               |__ocular segment(+) 351 rec.
Spanning Tree View Settings
Parents/Children
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Show hierarchy levels: for parents, for children
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Is a segment
Part of head
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Synonyms
Secondary IDs
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UBERON:6000006