FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

ps1 motor neuron

ID (Ontology)

FBbt:00047248 (Fly Anatomy)

Definition

Motor neuron that arborizes in the wing neuropil and innervates the mesothoracic pleurosternal muscle 59 (pleurosternal 1), ipsilaterally (Ehrhardt et al., 2023). Its soma is found ventrally between the meso- and meta-thoracic neuromeres (Ehrhardt et al., 2023). It forms dense arbors in the dorsal mesothoracic neuromere, including the wing neuropil, with extensions into the contralateral hemisphere (O'Sullivan et al., 2018; Ehrhardt et al., 2023). In the male, it plays a role in pulse song generation (Shirangi et al., 2013; O'Sullivan et al., 2018; Ehrhardt et al., 2023).[ FlyBase:FBrf0223321 FlyBase:FBrf0240039 ]

Also Known As

"ps1 MN" ; "ps1_MN"

Comment

Links to External Ontologies

VFB:FBbt_00047248

Annotations

Records annotated with this term OR any of its CHILD TERMS

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Direct annotations: records annotated with this exact term (child terms are NOT included)

Data Class	Field	Direct annotations
Insertions (FBti)	EXPRESSION_STAGE_TISSUE_POSITION

Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

Full annotation statements	Relevant FlyBase reports
Full annotation statements	Split System Combinations	Insertions	Constructs
ps1 motor neuron (all annotations which use CV term, excluding "NOT" statements)

Spanning Tree (Parents/Children)

neuron
 |__fruitless expressing neuron__________
flight muscle motor neuron               |
 |__indirect flight muscle motor neuron__|
 |__flight control muscle motor neuron___|
                                         ps1 motor neuron  4 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	indirect flight muscle motor neuron fruitless expressing neuron flight control muscle motor neuron
Part of
Synonyms & Secondary IDs
Synonyms
	"ps1 MN" EXACT[ FlyBase:FBrf0240039 ] "ps1_MN" EXACT VFB_SYMBOL
Secondary IDs

External Crossreferences & Linkouts
	VFB:FBbt_00047248