FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

external sensory organ precursor cell I

ID (Ontology)

FBbt:00005165 (Fly Anatomy)

Definition

First-order precursor cell: mother of all the clonally related cells of an external sensory organ.[ FlyBase:FBrf0049554 FlyBase:FBrf0111371 FlyBase:FBrf0158845 ]

Also Known As

"external sensory organ sensory mother cell"

Comment

Links to External Ontologies

Annotations

Records annotated with this term OR any of its CHILD TERMS

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Results list data from multiple species. Choose a record type above to open its HitList.

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
Constructs (FBtp)	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	Genes	Insertions	Constructs
external sensory organ precursor cell I (all annotations which use CV term, excluding "NOT" statements)
external sensory organ precursor cell I \| heat sensitive		--	--
external sensory organ precursor cell I \| increased number		--	--	--
external sensory organ precursor cell I \| P-stage		--	--
external sensory organ precursor cell I \| somatic clone		--	--	--

Spanning Tree (Parents/Children)

proneural cluster
 |__sensory mother cell____________________
peripheral sensory precursor cell          |
 |__sensory mother cell____________________|
 |__external sensory organ precursor cell__|
                                           external sensory organ precursor cell I  48 rec.
                                            |__dorsocentral bristle sensory mother cell 1 rec.
                                            |__notopleural bristle sensory mother cell
                                            |__postalar bristle sensory mother cell
                                            |__presutural bristle sensory mother cell 3 rec.
                                            |__scutellar bristle sensory mother cell 3 rec.
                                            |__supraalar bristle sensory mother cell 3 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	sensory mother cell external sensory organ precursor cell
Part of
Synonyms & Secondary IDs
Synonyms
	"external sensory organ sensory mother cell" EXACT "founder cell" RELATED "SOP" BROAD[ FlyBase:FBrf0241429 ] "SOPI" RELATED
Secondary IDs

External Crossreferences & Linkouts