FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term embryonic/larval motor neuron ID (Ontology) FBbt:00007675 (Fly Anatomy)
Definition Any motor neuron of the larva.
Comment Larval motor neurons are generally named according to the muscle(s) they innervate, meaning that their soma location may be in the same segment (segmental nerve neurons), or the next anterior segment (intersegmental nerve neurons) than given in the motor neuron name.
Links to External Ontologies
VFB:FBbt_00007675
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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
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Insertions (FBti)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Insertions Constructs
 embryonic/larval motor neuron (all annotations which use CV term, excluding "NOT" statements)
     embryonic/larval motor neuron | cell autonomous | third instar larval stage | conditional
      --       --
     embryonic/larval motor neuron | conditional
      --       --
     embryonic/larval motor neuron | embryonic stage
      --       --
     embryonic/larval motor neuron | first instar larval stage
      --       --
     embryonic/larval motor neuron | larval stage
      --
     embryonic/larval motor neuron | larval stage | nutrition conditional
      --       --
     embryonic/larval motor neuron | larval stage | somatic clone
      --       --
     embryonic/larval motor neuron | late embryonic stage
      --
      --
     embryonic/larval motor neuron | third instar larval stage
      --
     embryonic/larval motor neuron | third instar larval stage | conditional
      --       --
Spanning Tree (Parents/Children)
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Vocabulary search 
motor neuron
 |__primary motor neuron____
primary neuron              |
 |__primary motor neuron____|
efferent neuron             |
 |__larval efferent neuron__|
larval CNS neuron           |
 |__larval efferent neuron__|
                            embryonic/larval motor neuron  1063 rec.
                             |__abdominal segment motor neuron 97 rec.
                             |   |__larval A1-7-innervating DA1 motor neuron(+) 4 rec.
                             |   |__larval A1-7-innervating DA2 motor neuron(+) 2 rec.
                             |   |__larval A1-7-innervating DA3 motor neuron(+) 1 rec.
                             |   |__larval A1-7-innervating DO1 motor neuron(+) 2 rec.
                             |   |__larval A1-7-innervating DO2 motor neuron(+) 1 rec.
                             |   |__larval A1-7-innervating DO3 motor neuron(+)
                             |   |__larval A1-7-innervating DO4 motor neuron(+)
                             |   |__larval A1-7-innervating dorsal VUM motor neuron(+) 3 rec.
                             |   |__larval A1-7-innervating DT1 motor neuron(+)
                             |   |__larval A1-7-innervating lateral VUM motor neuron(+) 3 rec.
                             |   |__larval A1-7-innervating LL1 motor neuron(+) 6 rec.
                             |   |__larval A1-7-innervating LO1 motor neuron(+)
                             |   |__larval A1-7-innervating LT1/LT2 motor neuron(+)
                             |   |__larval A1-7-innervating LT2/LT3 motor neuron(+) 1 rec.
                             |   |__larval A1-7-innervating LT3 motor neuron(+) 1 rec.
                             |   |__larval A1-7-innervating LT3/LT4 motor neuron(+)
                             |   |__larval A1-7-innervating RP2 motor neuron(+) 21 rec.
                             |   |__larval A1-7-innervating RP5 motor neuron(+) 11 rec.
                             |   |__larval A1-7-innervating SBM motor neuron(+) 1 rec.
                             |   |__larval A1-7-innervating V motor neuron(+)
                             |   |__larval A1-7-innervating VA1 motor neuron(+) 1 rec.
                             |   |__larval A1-7-innervating ventral VUM motor neuron(+) 3 rec.
                             |   |__larval A1-7-innervating VL1 motor neuron(+)
                             |   |__larval A1-7-innervating VL2 motor neuron(+) 1 rec.
                             |   |__larval A1-7-innervating VL3/4 motor neuron(+) 10 rec.
                             |   |__larval A1-7-innervating VO1 motor neuron(+) 6 rec.
                             |   |__larval A1-7-innervating VO2 motor neuron(+) 8 rec.
                             |   |__larval A1-7-innervating VO3 motor neuron(+)
                             |   |__larval DC1 motor neuron
                             |   |__larval DO5 motor neuron(+) 2 rec.
                             |   |__larval VA2 motor neuron(+)
                             |   |__larval VA3 motor neuron(+)
                             |   |__larval VL4 motor neuron of larval abdominal 1 neuromere
                             |   |__larval VT1 motor neuron of abdominal 1 neuromere
                             |   |__larval VT1 motor neuron of abdominal 2 neuromere
                             |   |__larval VT1 motor neuron of abdominal 3 neuromere
                             |   |__larval VT1 motor neuron of abdominal 4 neuromere
                             |   |__larval VT1 motor neuron of abdominal 5 neuromere
                             |   |__larval VT1 motor neuron of abdominal 6 neuromere
                             |   |__VO4-6 motor neuron(+) 1 rec.
                             |   |__VO4/5 motor neuron(+) 1 rec.
                             |__larval A1-7-innervating ISN motor neuron 49 rec.
                             |   |__larval A1-7-innervating DT1 motor neuron(+)
                             |   |__larval A1-7-innervating RP2 motor neuron(+) 21 rec.
                             |   |__larval A1-7-innervating RP5 motor neuron(+) 11 rec.
                             |   |__larval A1-7-innervating V motor neuron(+)
                             |   |__larval A1-7-innervating ventral VUM motor neuron(+) 3 rec.
                             |   |__larval A1-7-innervating VL1 motor neuron(+)
                             |   |__larval A1-7-innervating VL2 motor neuron(+) 1 rec.
                             |   |__larval dorsal A1-7-innervating ISN motor neuron(+) 7 rec.
                             |   |__larval lateral A1-7-innervating ISN motor neuron(+) 16 rec.
                             |   |__larval ventral A1-7-innervating ISN motor neuron(+) 1 rec.
                             |__larval A1-7-innervating SN motor neuron 7 rec.
                             |   |__larval A1-7-innervating lateral VUM motor neuron(+) 3 rec.
                             |   |__larval A1-7-innervating LO1 motor neuron(+)
                             |   |__larval A1-7-innervating LT1/LT2 motor neuron(+)
                             |   |__larval A1-7-innervating LT2/LT3 motor neuron(+) 1 rec.
                             |   |__larval A1-7-innervating LT3 motor neuron(+) 1 rec.
                             |   |__larval A1-7-innervating LT3/LT4 motor neuron(+)
                             |   |__larval A1-7-innervating SBM motor neuron(+) 1 rec.
                             |   |__larval A1-7-innervating VA1 motor neuron(+) 1 rec.
                             |   |__larval VA2 motor neuron(+)
                             |   |__larval VA3 motor neuron(+)
                             |__larval abdominal NB2-2 primary motor neuron 1 rec.
                             |   |__larval A1-7-innervating LT2/LT3 motor neuron(+) 1 rec.
                             |   |__larval LT1/LT2 motor neuron of abdominal 1 neuromere
                             |   |__larval LT1/LT2 motor neuron of abdominal 2 neuromere
                             |   |__larval LT1/LT2 motor neuron of abdominal 3 neuromere
                             |   |__larval LT1/LT2 motor neuron of abdominal 4 neuromere
                             |   |__larval LT1/LT2 motor neuron of abdominal 5 neuromere
                             |   |__larval LT1/LT2 motor neuron of abdominal 6 neuromere
                             |   |__larval LT1/LT2 motor neuron of abdominal 7 neuromere
                             |__larval antennal-pharyngeal nerve motor neuron
                             |__larval DT1 motor neuron
                             |   |__larval A1-7-innervating DT1 motor neuron(+)
                             |__larval external muscle motor neuron 27 rec.
                             |   |__larval A1-7-innervating dorsal VUM motor neuron(+) 3 rec.
                             |   |__larval A1-7-innervating DT1 motor neuron(+)
                             |   |__larval A1-7-innervating RP2 motor neuron(+) 21 rec.
                             |   |__larval lateral VUM motor neuron(+) 3 rec.
                             |   |__larval LO1 motor neuron(+) 1 rec.
                             |   |__larval LT1/LT2 motor neuron(+) 1 rec.
                             |   |__larval LT2/LT3 motor neuron(+) 1 rec.
                             |   |__larval LT3 motor neuron(+) 1 rec.
                             |   |__larval LT3/LT4 motor neuron(+) 1 rec.
                             |   |__larval SBM motor neuron(+) 1 rec.
                             |   |__larval VA1 motor neuron(+) 1 rec.
                             |   |__larval VA2 motor neuron(+)
                             |   |__larval VA3 motor neuron(+)
                             |   |__larval VT1 motor neuron(+)
                             |__larval internal muscle motor neuron 744 rec.
                             |   |__larval A1-7-innervating VL2 motor neuron(+) 1 rec.
                             |   |__larval A1-7-innervating VL3/4 motor neuron(+) 10 rec.
                             |   |__larval DA1 motor neuron(+) 227 rec.
                             |   |__larval DA2 motor neuron(+) 30 rec.
                             |   |__larval DA3 motor neuron(+) 22 rec.
                             |   |__larval DO1 motor neuron(+) 28 rec.
                             |   |__larval DO2 motor neuron(+) 26 rec.
                             |   |__larval DO3 motor neuron(+) 1 rec.
                             |   |__larval DO4 motor neuron(+) 1 rec.
                             |   |__larval DO5 motor neuron(+) 2 rec.
                             |   |__larval dorsal VUM motor neuron(+) 4 rec.
                             |   |__larval LL1 motor neuron(+) 39 rec.
                             |   |__larval RP2 motor neuron(+) 519 rec.
                             |   |__larval RP5 motor neuron(+) 37 rec.
                             |   |__larval V motor neuron(+)
                             |   |__larval ventral VUM motor neuron(+) 4 rec.
                             |   |__larval VL1 motor neuron(+) 1 rec.
                             |   |__larval VL3/4 motor neuron(+) 88 rec.
                             |   |__larval VO1 motor neuron(+) 21 rec.
                             |   |__larval VO2 motor neuron(+) 47 rec.
                             |   |__larval VO3 motor neuron(+) 1 rec.
                             |   |__VO4-6 motor neuron(+) 1 rec.
                             |   |__VO4/5 motor neuron(+) 1 rec.
                             |__larval maxillary-labial nerve motor neuron
                             |__larval mesothoracic DC motor neuron
                             |__larval MN2a motor neuron
                             |__larval MN2c motor neuron
                             |__larval MN3 motor neuron
                             |__larval NB1-1 segmental nerve primary motor neuron
                             |__larval NB3-2 intersegmental nerve anterior root primary motor neuron 2 rec.
                             |   |__larval A1-7-innervating DO3 motor neuron(+)
                             |   |__larval A1-7-innervating DO4 motor neuron(+)
                             |   |__larval A1-7-innervating DT1 motor neuron(+)
                             |   |__larval DO5 motor neuron(+) 2 rec.
                             |__larval NB3-2 segmental nerve primary motor neuron 2 rec.
                             |   |__larval LT3 motor neuron(+) 1 rec.
                             |   |__larval LT3/LT4 motor neuron(+) 1 rec.
                             |__larval prothoracic accessory nerve motor neuron
                             |__larval thoracic NB2-2 primary motor neuron
                             |__larval TMN neuron
                             |__larval TN motor neuron
                             |   |__larval alary muscle motor neuron
                             |   |__larval VT1 motor neuron(+)
                             |__larval VUM motor neuron 33 rec.
                             |   |__larval dorsal VUM motor neuron(+) 4 rec.
                             |   |__larval lateral VUM motor neuron(+) 3 rec.
                             |   |__larval mesothoracic VUM motor neuron
                             |   |__larval metathoracic VUM motor neuron
                             |   |__larval prothoracic VUM motor neuron
                             |   |__larval ventral VUM motor neuron(+) 4 rec.
                             |__U neuron 181 rec.
                                 |__larval DA2 motor neuron(+) 30 rec.
                                 |__larval DA3 motor neuron(+) 22 rec.
                                 |__larval DO1 motor neuron(+) 28 rec.
                                 |__larval DO2 motor neuron(+) 26 rec.
                                 |__larval LL1 motor neuron(+) 39 rec.
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Is a larval efferent neuron
primary motor neuron
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VFB:FBbt_00007675