FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

esophageal visceral muscle primordium

ID (Ontology)

FBbt:10005336 (Fly Anatomy)

Definition

Primordium that develops into the esophageal visceral muscle. It develops from an anterior region of the secondary head mesoderm (de Velasco et al., 2006).[ FlyBase:FBrf0190261 ]

Also Known As

"head visceral muscle primordium"

Comment

This is the only visceral muscle primordium to arise from the head mesoderm (de Velasco et al., 2006). Probably equivalent to 'foregut visceral muscle primordium'.

Links to External Ontologies

Annotations

Records annotated with this term OR any of its CHILD TERMS

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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	Genes
esophageal visceral muscle primordium (all annotations which use CV term, excluding "NOT" statements)

Spanning Tree (Parents/Children)

embryo
 |__developing embryonic structure______
developing embryonic structure          |
 |__foregut visceral muscle primordium__|
primordium                              |
 |__foregut visceral muscle primordium__|
developing material anatomical entity   |
 |__developing embryonic structure______|
 |__primordium__________________________|
mesodermal derivative                   |
 |__head mesoderm derivative____________|
                                        esophageal visceral muscle primordium  19 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	developing embryonic structure primordium head mesoderm derivative
Develops from	secondary head mesoderm
Part of	foregut visceral muscle primordium
Synonyms & Secondary IDs
Synonyms
	"head visceral muscle primordium" EXACT
Secondary IDs

External Crossreferences & Linkouts