FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

adult fruitless aSP-a (male) neuron

ID (Ontology)

FBbt:00110595 (Fly Anatomy)

Definition

Adult male fruitless-expressing neuron that develops from the SMPad1 neuroblast (Ito et al., 2013; Yu et al., 2013). It has its soma in the pars intercerebralis and projects laterally, arborizing extensively in the lateral protocerebral complex (Yu et al., 2010). Many of these cells are activated by the presence of females, but not males (Takayanagi-Kiya and Kiya, 2019). There are approximately 50-60 of these cells per hemisphere (Lee et al., 2000; Cachero et al., 2010).[ FlyBase:FBrf0128543 FlyBase:FBrf0205974 FlyBase:FBrf0211884 FlyBase:FBrf0211926 FlyBase:FBrf0221412 FlyBase:FBrf0221438 FlyBase:FBrf0241873 ]

Also Known As

"adult male fru-aSP2 neuron" ; "adult male fruitless aSP2 neuron" ; "male aSP-a neuron"

Comment

Links to External Ontologies

VFB:FBbt_00110595

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
Alleles (FBal)	PHENOTYPE_MANIFEST_IN
Insertions (FBti)	EXPRESSION_STAGE_TISSUE_POSITION
Insertions (FBti)	PHENOTYPE_MANIFEST_IN

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	Alleles	Split System Combinations	Genes	Insertions	Constructs
adult fruitless aSP-a (male) neuron (all annotations which use CV term, excluding "NOT" statements)

Spanning Tree (Parents/Children)

supraesophageal ganglion neuron
 |__adult fruitless aSP-a neuron________
fruitless expressing neuron             |
 |__adult fruitless aSP-a neuron________|
adult SMPad1 lineage neuron             |
 |__adult SMPad1 (male) lineage neuron__|
 |__adult fruitless aSP-a neuron________|
adult SMPad1 (male) lineage clone       |
 |__adult SMPad1 (male) lineage neuron__|
                                        adult fruitless aSP-a (male) neuron  10 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	adult SMPad1 (male) lineage neuron adult fruitless aSP-a neuron
Part of
Synonyms & Secondary IDs
Synonyms
	"adult male fru-aSP2 neuron" EXACT[ FlyBase:FBrf0128543 FlyBase:FBrf0211926 ] "adult male fruitless aSP2 neuron" EXACT[ FlyBase:FBrf0205974 FlyBase:FBrf0211884 FlyBase:FBrf0211926 ] "male aSP-a neuron" EXACT[ FlyBase:FBrf0211926 ]
Secondary IDs

External Crossreferences & Linkouts
	VFB:FBbt_00110595