FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term neuron projection ID (Ontology) GO:0043005 (Gene Ontology)
Definition A prolongation or process extending from a nerve cell, e.g. an axon or dendrite.[ PubMed:3077060 ]
Also Known As"neuron process" ; "neuron protrusion" ; "neuronal cell projection"
Comment
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Annotations
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Direct annotations: records annotated with this exact term (child terms are NOT included)
Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Genes (FBgn)GO_CELLULAR_COMPONENT
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 Constructs
 neuron projection (all annotations which use CV term, excluding "NOT" statements)
     is_active_in | neuron projection       --
      --
     located_in | neuron projection       --
      --
     neuron projection | adult stage
      --
     neuron projection | adult stage | cell autonomous | somatic clone
      --
     neuron projection | adult stage | ectopic
      --
     neuron projection | embryonic stage
      --       --
     neuron projection | larval stage
      --
     neuron projection | P-stage
      --
     neuron projection | somatic clone
      --
     neuron projection | third instar larval stage
      --
Spanning Tree (Parents/Children)
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Vocabulary search 
  cell projection
   |__plasma membrane bounded cell projection
       |__neuron projection  1266 rec.
           |__accessory outer segment
           |__axon 748 rec.
           |   |__axon collateral(+)
           |   |__axon cytoplasm 4 rec.
           |   |__axon hillock
           |   |__axon microtubule bundle
           |   |__axonal spine
           |   |__C-fiber
           |   |__cerebellar mossy fiber
           |   |__climbing fiber
           |   |__distal axon(+) 331 rec.
           |   |__giant axon 9 rec.
           |   |__hippocampal mossy fiber(+)
           |   |__main axon(+) 4 rec.
           |   |__parallel fiber
           |   |__pericellular basket
           |   |__pinceau fiber
           |__cell body fiber
           |__dendrite 530 rec.
           |   |__apical dendrite(+)
           |   |__basal dendrite(+)
           |   |__CA3 pyramidal cell dendrite
           |   |__dendrite cytoplasm(+)
           |   |__dendrite membrane(+) 71 rec.
           |   |__dendrite terminus(+) 10 rec.
           |   |__dendritic branch
           |   |__dendritic filopodium
           |   |__dendritic lamellar body
           |   |__dendritic microtubule 22 rec.
           |   |__dendritic shaft 1 rec.
           |   |__dendritic spine(+) 5 rec.
           |   |__distal dendrite(+)
           |   |__primary dendrite
           |   |__proximal dendrite(+) 2 rec.
           |   |__sensory dendrite 18 rec.
           |__dendritic filopodium
           |__dendritic tree 543 rec.
           |   |__dendrite 530 rec.
           |   |__dendritic branch point 15 rec.
           |__gemmule
           |__growth cone filopodium
           |__growth cone lamellipodium 1 rec.
           |__kinocilium
           |   |__kinociliary basal body
           |__Lewy neurite
           |__neuron projection branch point 15 rec.
           |   |__dendritic branch point 15 rec.
           |__neuron projection cytoplasm 19 rec.
           |   |__axon cytoplasm 4 rec.
           |   |__dendrite cytoplasm(+)
           |   |__neuronal ribonucleoprotein granule 14 rec.
           |__neuron projection membrane 99 rec.
           |   |__axolemma 1 rec.
           |   |__dendrite membrane(+) 71 rec.
           |   |__dendritic spine membrane(+)
           |   |__stereocilium membrane
           |__neuron projection terminus 281 rec.
           |   |__axon terminus(+) 278 rec.
           |__neuron spine 5 rec.
           |   |__axonal spine
           |   |__dendritic spine(+) 5 rec.
           |   |__somatic spine
           |__photoreceptor cell cilium 1 rec.
           |   |__photoreceptor connecting cilium(+) 1 rec.
           |   |__photoreceptor outer segment(+)
           |__proximal neuron projection
           |__rod spherule
           |__stereocilium 2 rec.
           |   |__actin filament bundle of stereocilium
           |   |__stereocilium base
           |   |__stereocilium membrane
           |   |__stereocilium shaft
           |   |__stereocilium tip 2 rec.
           |__telodendria
               |__cone telodendria
               |__rod telodendria
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Is a plasma membrane bounded cell projection
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Synonyms
  • "nerve fiber" RELATED
    "neurite" NARROW
    "neuron process" EXACT
    "neuron protrusion" EXACT
    "neuronal cell projection" EXACT
Secondary IDs
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NIF_Subcellular:sao867568886