FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

tracheal dorsal trunk primordium

ID (Ontology)

FBbt:00017010 (Fly Anatomy)

Definition

Region of the tracheal primordium that gives rise to the embryonic/larval dorsal trunk.

Also Known As

"dorsal longitudinal trunk primordium" ; "dorsal trunk specific anlage" ; "embryonic dorsal trunk" (for all, see Synonyms field below)

Comment

Links to External Ontologies

Annotations

Records annotated with this term OR any of its CHILD TERMS

Choose a record type to view annotations for this term and its child terms. Direct annotations and full annotation statements below also provide HitList buttons.

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
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
tracheal dorsal trunk primordium (all annotations which use CV term, excluding "NOT" statements)
tracheal dorsal trunk primordium \| ectopic		--	--
tracheal dorsal trunk primordium \| embryonic stage		--
tracheal dorsal trunk primordium \| embryonic stage 13		--	--	--
tracheal dorsal trunk primordium \| embryonic stage 14		--		--
tracheal dorsal trunk primordium \| embryonic stage 15		--	--
tracheal dorsal trunk primordium \| embryonic stage 16		--	--
tracheal dorsal trunk primordium \| embryonic stage \| somatic clone		--	--	--
tracheal dorsal trunk primordium \| germline clone \| maternal effect		--	--	--
tracheal dorsal trunk primordium \| heat sensitive		--	--

Spanning Tree (Parents/Children)

embryo
 |__developing embryonic structure_____
 |__dorsal closure embryo______________|
late extended germ band embryo         |
 |__tracheal pit_______________________|
tracheal primordium                    |
 |__tracheal pit_______________________|
primordium                             |
 |__tracheal branch primordium_________|
developing material anatomical entity  |
 |__developing embryonic structure_____|
                                       tracheal dorsal trunk primordium  185 rec.
                                        |__tracheal dorsal trunk anterior branch primordium 2 rec.
                                        |   |__tracheal dorsal trunk anterior branch 2 primordium
                                        |   |__tracheal dorsal trunk anterior branch 3 primordium
                                        |   |__tracheal dorsal trunk anterior branch 4 primordium
                                        |   |__tracheal dorsal trunk anterior branch 5 primordium
                                        |   |__tracheal dorsal trunk anterior branch 6 primordium
                                        |   |__tracheal dorsal trunk anterior branch 7 primordium
                                        |   |__tracheal dorsal trunk anterior branch 8 primordium
                                        |   |__tracheal dorsal trunk anterior branch 9 primordium
                                        |   |__tracheal dorsal trunk anterior branch 10 primordium
                                        |__tracheal dorsal trunk posterior branch primordium 2 rec.
                                            |__tracheal dorsal trunk posterior branch 1 primordium
                                            |__tracheal dorsal trunk posterior branch 2 primordium
                                            |__tracheal dorsal trunk posterior branch 3 primordium
                                            |__tracheal dorsal trunk posterior branch 4 primordium
                                            |__tracheal dorsal trunk posterior branch 5 primordium
                                            |__tracheal dorsal trunk posterior branch 6 primordium
                                            |__tracheal dorsal trunk posterior branch 7 primordium
                                            |__tracheal dorsal trunk posterior branch 8 primordium
                                            |__tracheal dorsal trunk posterior branch 9 primordium

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	developing embryonic structure tracheal branch primordium
Part of	tracheal pit dorsal closure embryo
Synonyms & Secondary IDs
Synonyms
	"dorsal longitudinal trunk primordium" EXACT "dorsal trunk specific anlage" EXACT "DT" RELATED "embryonic dorsal trunk" EXACT "great lateral trunk" RELATED "P1 dorTra" EXACT
Secondary IDs

External Crossreferences & Linkouts