FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term larval VA2 motor neuron ID (Ontology) FBbt:00110255 (Fly Anatomy)
Definition Larval motor neuron that innervates the external ventral acute muscle 2 (muscle 27) via a type Ib bouton (Zarin et al., 2019). Muscles referred to as VA2 exist in segments A1 to A7 (Bate, 1993). The neuron exits the ventral nerve cord via the segmental nerve root, fasciculating with the SNc nerve branch (Landgraf et al., 1997). It has its soma in the same segment as the muscle it innervates (Kohsaka et al., 2012).[ FlyBase:FBrf0064793 FlyBase:FBrf0099344 FlyBase:FBrf0218115 FlyBase:FBrf0244727 ]
Also Known As "MN-VA2" ; "MN27-Ib"
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VFB:FBbt_00110255
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larval abdominal segmental nerve neuron
 |__larval A1-7-innervating SN motor neuron__
neuron                                       |
 |__abdominal neuron_________________________|
motor neuron                                 |
 |__type Ib motor neuron_____________________|
embryonic/larval motor neuron                |
 |__abdominal segment motor neuron___________|
 |__larval external muscle motor neuron______|
 |__larval A1-7-innervating SN motor neuron__|
                                             larval VA2 motor neuron
                                              |__larval VA2 motor neuron of abdominal 1 neuromere
                                              |__larval VA2 motor neuron of abdominal 2 neuromere
                                              |__larval VA2 motor neuron of abdominal 3 neuromere
                                              |__larval VA2 motor neuron of abdominal 4 neuromere
                                              |__larval VA2 motor neuron of abdominal 5 neuromere
                                              |__larval VA2 motor neuron of abdominal 6 neuromere
                                              |__larval VA2 motor neuron of abdominal 7 neuromere
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Is a abdominal neuron
abdominal segment motor neuron
type Ib motor neuron
larval external muscle motor neuron
larval A1-7-innervating SN motor neuron
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VFB:FBbt_00110255