FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

proventriculus inner layer primordium

ID (Ontology)

FBbt:00018008 (Fly Anatomy)

Definition

A(n) primordium that develops into some embryonic proventriculus inner layer. It develops from some proventriculus inclusive primordium.

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
Alleles (FBal)	PHENOTYPE_MANIFEST_IN
Insertions (FBti)	PHENOTYPE_MANIFEST_IN
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
proventriculus inner layer primordium (all annotations which use CV term, excluding "NOT" statements)

Spanning Tree (Parents/Children)

embryo
 |__developing embryonic structure_____________
presumptive embryonic/larval digestive system  |
 |__stomodeum__________________________________|
late extended germ band embryo                 |
 |__late stomodeal invagination________________|
stomodeal invagination                         |
 |__late stomodeal invagination________________|
dorsal closure embryo                          |
 |__stomodeum__________________________________|
primordium                                     |
 |__proventriculus primordium__________________|
developing material anatomical entity          |
 |__developing embryonic structure_____________|
 |__primordium_________________________________|
ectodermal derivative                          |
 |__anterior ectoderm derivative_______________|
multicellular structure                        |
 |__stomodeum__________________________________|
                                               proventriculus inner layer primordium  22 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 inclusive primordium
Part of	stomodeum late stomodeal invagination proventriculus primordium
Synonyms & Secondary IDs
Synonyms
	"A ProvI" RELATED
Secondary IDs

External Crossreferences & Linkouts