FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

intestinal stem cell of the adult midgut-hindgut boundary

ID (Ontology)

FBbt:00058274 (Fly Anatomy)

Definition

An intestinal stem cell at the posterior end of the adult midgut, near the boundary with the hindgut. These cells are not part of the midgut-hindgut hybrid zone, but are located within 30 um of it and may re-populate it upon injury. They express frizzled3 (Sawyer et al., 2017).[ FlyBase:FBrf0237229 ]

Also Known As

"OB-ISC" ; "organ-boundary intestinal stem cell"

Comment

Links to External Ontologies

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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
intestinal stem cell of the adult midgut-hindgut boundary (all annotations which use CV term, excluding "NOT" statements)

Spanning Tree (Parents/Children)

adult posterior midgut epithelium__
intestinal stem cell_______________|
                                   intestinal stem cell of posterior adult midgut epithelium
                                    |__intestinal stem cell of the adult midgut-hindgut boundary  14 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	intestinal stem cell of posterior adult midgut epithelium
Part of
Synonyms & Secondary IDs
Synonyms
	"OB-ISC" EXACT[ FlyBase:FBrf0237229 ] "organ-boundary intestinal stem cell" EXACT[ FlyBase:FBrf0237229 ]
Secondary IDs

External Crossreferences & Linkouts