FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term wing axillary muscle III3 motor neuron ID (Ontology) FBbt:00004067 (Fly Anatomy)
Definition Motor neuron that innervates the muscle of third axillary III3, ipsilaterally (Trimarchi and Schneiderman, 1994). It has a large tear-shaped soma, found ventral to the root of the accessory mesothoracic nerve, through which its axon leaves the ventral nerve cord, and dorsal to the mesothoracic leg nerve (Trimarchi and Schneiderman, 1994). Within the ventral nerve cord, its neurites are found in the dorsal neuropil, with one branch projecting medially and another running anteriorly through the lateral part of the mesothoracic neuromere (Trimarchi and Schneiderman, 1994). A posterior branch also projects to, and arborizes in, the root of the dorsal metathoracic (haltere) nerve (Trimarchi and Schneiderman, 1994). All of these neurites remain ipsilateral (Trimarchi and Schneiderman, 1994; Ehrhardt et al., 2023).[ FlyBase:FBrf0074636 ]
Also Known As "III3_MN" ; "III3mn"
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VFB:FBbt_00004067
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thoracic neuron
 |__mesothoracic neuron________________
flight control muscle motor neuron     |
 |__direct flight muscle motor neuron__|
                                       wing axillary muscle III3 motor neuron
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Is a mesothoracic neuron
direct flight muscle motor neuron
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VFB:FBbt_00004067