FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

thoracic-abdominal embryonic fiber tract

ID (Ontology)

FBbt:00001641 (Fly Anatomy)

Definition

Fiber tract of the embryonic ventral nerve cord.[ FlyBase:FBrf0105282 ]

Comment

Links to External Ontologies

VFB:FBbt_00001641

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
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	Constructs
thoracic-abdominal embryonic fiber tract (all annotations which use CV term, excluding "NOT" statements)

Spanning Tree (Parents/Children)

embryonic thorax
 |__embryonic nervous system of thorax_______
embryonic abdomen                            |
 |__embryonic nervous system of abdomen______|
presumptive embryonic/larval nervous system  |
 |__embryonic fiber tract____________________|
 |__embryonic nervous system of thorax_______|
 |__embryonic nervous system of abdomen______|
embryonic ventral nerve cord                 |
 |__embryonic VNC neuromere__________________|
tract                                        |
 |__embryonic fiber tract____________________|
tagmatic subdivision of organ system         |
 |__embryonic nervous system of thorax_______|
 |__embryonic nervous system of abdomen______|
embryonic neuromere                          |
 |__embryonic VNC neuromere__________________|
                                             thoracic-abdominal embryonic fiber tract  16 rec.
                                              |__thoracic-abdominal pioneer tract 16 rec.
                                                  |__dorsal-medial tract
                                                  |__lateral tract 1 rec.
                                                  |__MP1 tract 10 rec.
                                                  |__ventro-medial tract
                                                  |__vMP2 tract 8 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	embryonic fiber tract
Part of	embryonic VNC neuromere embryonic nervous system of thorax embryonic nervous system of abdomen
Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts
	VFB:FBbt_00001641