FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term larval RP5 motor neuron ID (Ontology) FBbt:00001457 (Fly Anatomy)
Definition Most anteriorly located larval RP motor neuron, developing from neuroblast NB3-1 (Schmid et al., 1999). It innervates all ventral longitudinal (VL) and ventral oblique (VO) muscles except for VO3 and VO6 (muscles 6, 7, 12-16 and 30) in abdominal segments and all ventral longitudinal muscles (VL1-4; muscles 6, 7 ,12 and 13) in thoracic segments (Schmid et al., 1999, Mauss et al., 2009).[ FlyBase:FBrf0053781 FlyBase:FBrf0099344 FlyBase:FBrf0112030 ]
Also Known As"larval vCE neuron" ; "larval ventral common exciter" ; "MNSNb/d-Is" (for all, see Synonyms field below)
CommentInnervation pattern (Mauss et al., 2009) makes this equivalent to the MNSNb/d-Is neuron of Huang and Chiba (2001), not the MN12-Ib neuron as postulated by Huang and Chiba (2001).
Links to External Ontologies
VFB:FBbt_00001457
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 larval RP5 motor neuron (all annotations which use CV term, excluding "NOT" statements)
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larval ventral nerve cord
 |__RP neuron____________________________
larval neuron                            |
 |__RP neuron____________________________|
motor neuron                             |
 |__type Is motor neuron_________________|
embryonic/larval motor neuron            |
 |__larval internal muscle motor neuron__|
NB3-1 lineage primary neuron             |
 |__lineage NB3-1 primary motor neuron___|
primary motor neuron                     |
 |__lineage NB3-1 primary motor neuron___|
                                         larval RP5 motor neuron  37 rec.
                                          |__larval A1-7-innervating RP5 motor neuron 11 rec.
                                              |__larval RP5 motor neuron of abdominal 1 neuromere
                                              |__larval RP5 motor neuron of abdominal 2 neuromere
                                              |__larval RP5 motor neuron of abdominal 3 neuromere
                                              |__larval RP5 motor neuron of abdominal 4 neuromere
                                              |__larval RP5 motor neuron of abdominal 5 neuromere
                                              |__larval RP5 motor neuron of abdominal 6 neuromere
                                              |__larval RP5 motor neuron of metathoracic neuromere
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Is a RP neuron
lineage NB3-1 primary motor neuron
type Is motor neuron
larval internal muscle motor neuron
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VFB:FBbt_00001457