FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term neuron projection bundle ID (Ontology) FBbt:00005099 (Fly Anatomy)
Definition A fasciculated bundle of neuron projections (GO:0043005), largely or completely lacking synapses.
Also Known As "nerve fiber bundle"
Comment
Links to External Ontologies
VFB:FBbt_00005099
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       2
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       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 Images Insertions Constructs
 neuron projection bundle (all annotations which use CV term, excluding "NOT" statements)       2      1      1      1      1
Spanning Tree (Parents/Children)
Only view relationship:
  anatomical structure
   |__multi-cell-component structure
       |__neuron projection bundle  2766 rec.
           |__adult dorsal cervical fasciculus
           |__adult ventral cervical fasciculus
           |__lineage bundle
           |   |__multi-lineage bundle
           |   |__single-lineage bundle
           |__main trunk of antennal mechanosensory and motor center
           |__nerve 1618 rec.
           |   |__abdominal nerve(+) 601 rec.
           |   |__adult cardia nerve 1 rec.
           |   |__adult eye nerve
           |   |__adult labro-frontal nerve
           |   |__adult leg nerve(+) 4 rec.
           |   |__adult occipital nerve
           |   |__adult recurrent nerve
           |   |__adult salivary gland nerve 1 rec.
           |   |__adult stomodeal nerve 9 rec.
           |   |__adult transverse nerve
           |   |__adult ventral cervical nerve
           |   |__antennal nerve tracheal branch
           |   |__aristal nerve
           |   |__crop nerve 1 rec.
           |   |__embryonic/larval head nerve(+) 95 rec.
           |   |__embryonic/larval optic stalk 161 rec.
           |   |__embryonic/larval recurrent nerve 20 rec.
           |   |__frontal nerve(+) 32 rec.
           |   |__labial nerve(+) 11 rec.
           |   |__larval esophageal nerve 1
           |   |__larval esophageal nerve 2
           |   |__larval intersegmental nerve(+) 834 rec.
           |   |__larval prothoracic accessory nerve
           |   |__larval segmental nerve(+) 493 rec.
           |   |__maxillary nerve(+) 15 rec.
           |   |__mesothoracic nerve(+) 157 rec.
           |   |__metathoracic nerve(+) 26 rec.
           |   |__nervus corporis cardiaci(+) 3 rec.
           |   |__optic nerve(+) 115 rec.
           |   |__prothoracic nerve(+) 26 rec.
           |   |__subesophageal nerve(+) 28 rec.
           |   |__supraesophageal nerve(+) 182 rec.
           |__nerve root 49 rec.
           |   |__accessory pharyngeal nerve projection
           |   |__adult dorsal metathoracic nerve root
           |   |__adult maxillary-labial nerve root(+)
           |   |__adult pharyngeal nerve root(+)
           |   |__larval intersegmental nerve root(+) 46 rec.
           |   |__larval lateropharyngeal nerve root
           |   |__larval maxillary-labial nerve root(+)
           |   |__larval nervus corporis cardiaci II root
           |   |__larval pharyngeal nerve root(+)
           |   |__larval segmental nerve root(+) 21 rec.
           |   |__larval transverse nerve root
           |   |__stomodeal nerve projection(+)
           |__neuron projection bundle of adult ventral nerve cord
           |   |__adult curved ventrolateral tract
           |   |__adult dorsal median tract
           |   |__adult median tract of dorsal cervical fasciculus
           |   |__adult median tract of dorsal cervical fasciculus I
           |   |__adult median tract of dorsal cervical fasciculus II
           |   |__adult median tract of dorsal cervical fasciculus III
           |   |__adult ventral nerve cord commissure(+)
           |   |__dorsal lateral tract of dorsal cervical fasciculus
           |   |__dorsal lateral tract of ventral cervical fasciculus
           |   |__haltere tract
           |   |__intermediate dorsal abdominal tract
           |   |__intermediate tract of dorsal cervical fasciculus
           |   |__intermediate tract of dorsal cervical fasciculus - commissure of fine fibers
           |   |__intermediate tract of dorsal cervical fasciculus - haltere commissure
           |   |__lateral dorsal abdominal tract
           |   |__median dorsal abdominal tract
           |   |__ventral ellipse
           |   |__ventral lateral tract of ventral cervical fasciculus
           |   |__ventral median tract of ventral cervical fasciculus
           |__neuron projection bundle of larval ventral nerve cord 901 rec.
           |   |__larval intersegmental nerve root(+) 46 rec.
           |   |__larval longitudinal connective(+) 754 rec.
           |   |__larval segmental nerve root(+) 21 rec.
           |   |__larval transverse nerve root
           |   |__larval ventral nerve cord commissure(+) 222 rec.
           |__primary neurite tract
           |   |__adult anterior dorsal primary neurite tract 1
           |   |__adult anterior dorsal primary neurite tract 2
           |   |__adult anterior dorsal primary neurite tract 3
           |   |__adult anterior dorsal primary neurite tract 4
           |   |__adult anterior dorsal primary neurite tract 5
           |   |__adult anterior ventral primary neurite tract 1
           |   |__adult anterior ventral primary neurite tract 2
           |   |__adult anterior ventral primary neurite tract 3
           |   |__adult anterior ventral primary neurite tract 4
           |   |__adult anterior ventral primary neurite tract 5
           |   |__adult anterior ventral primary neurite tract 6
           |   |__adult anterior ventral primary neurite tract 7
           |   |__adult anterior ventral primary neurite tract 8
           |   |__adult anterior ventral primary neurite tract 9
           |   |__adult posterior dorsal primary neurite tract 1
           |   |__adult posterior dorsal primary neurite tract 2
           |   |__adult posterior dorsal primary neurite tract 3
           |   |__adult posterior dorsal primary neurite tract 4
           |   |__adult posterior dorsal primary neurite tract 5
           |   |__adult posterior dorsal primary neurite tract 6
           |   |__adult posterior dorsal primary neurite tract 7
           |   |__adult posterior ventral primary neurite tract 1
           |   |__adult posterior ventral primary neurite tract 2
           |   |__adult posterior ventral primary neurite tract 3
           |   |__adult posterior ventral primary neurite tract 4
           |   |__adult posterior ventral primary neurite tract 5
           |   |__adult posterior ventral primary neurite tract 6
           |   |__adult posterior ventral primary neurite tract 7
           |   |__adult posterior ventral primary neurite tract 8
           |   |__adult posterior ventral primary neurite tract 9
           |   |__adult posterior ventral primary neurite tract 10
           |   |__adult posterior ventral primary neurite tract 11
           |   |__adult posterior ventral primary neurite tract 12
           |__tract 1350 rec.
               |__adult cervical connective 20 rec.
               |__adult optic lobe-calycal tract(+)
               |__chiasma(+) 49 rec.
               |__commissure(+) 713 rec.
               |__embryonic fiber tract(+) 18 rec.
               |__embryonic/larval posterior cervical tract
               |__fascicle(+) 914 rec.
               |__median bundle(+) 42 rec.
               |__ocellar nerve 27 rec.
               |__pb-fb tract(+) 1 rec.
               |__supraesophageal gustatory tract(+)
Spanning Tree View Settings
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Is a multi-cell-component structure
Part of nervous system
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Synonyms
  • "nerve fiber" RELATED
    "nerve fiber bundle" EXACT
Secondary IDs
hide External Crossreferences & Linkouts
CARO:0001001
UBERON:0000122
VFB:FBbt_00005099