FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

proventriculus inclusive primordium

ID (Ontology)

FBbt:00018007 (Fly Anatomy)

Definition

A(n) primordium that develops into some proventriculus intermediate layer primordium and some proventriculus inner layer primordium and some embryonic primordium of adult foregut precursor. It develops from some proventriculus anlage.

Comment

Links to External Ontologies

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	Genes	Insertions
proventriculus inclusive primordium (all annotations which use CV term, excluding "NOT" statements)

Spanning Tree (Parents/Children)

embryo
 |__developing embryonic structure_____
stomodeal invagination                 |
 |__early stomodeal invagination_______|
primordium                             |
 |__foregut primordium_________________|
developing material anatomical entity  |
 |__developing embryonic structure_____|
 |__primordium_________________________|
early extended germ band embryo        |
 |__early stomodeal invagination_______|
ectodermal derivative                  |
 |__anterior ectoderm derivative_______|
                                       proventriculus inclusive primordium  2 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	developing embryonic structure primordium anterior ectoderm derivative
Develops from	proventriculus anlage
Part of	early stomodeal invagination foregut primordium
Synonyms & Secondary IDs
Synonyms
	"P2 Prov" RELATED
Secondary IDs

External Crossreferences & Linkouts