FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

parasegment 4

ID (Ontology)

FBbt:00000142 (Fly Anatomy)

Definition

Embryonic metameric unit comprising the posterior compartment of thoracic segment 1 and the anterior compartment of thoracic segment 2.[ FlyBase:FBrf0043344 ]

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
parasegment 4 (all annotations which use CV term, excluding "NOT" statements)
parasegment 4 \| embryonic stage \| heat sensitive		--	--
parasegment 4 \| heat sensitive		--	--

Spanning Tree (Parents/Children)

embryo______________________________________
anterior-posterior subdivision of organism__|
                                            parasegment
                                             |__parasegment 4  45 rec.
                                                 |__mesothoracic segment anterior compartment 2 rec.
                                                 |__prothoracic segment posterior compartment 2 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	parasegment
Part of
Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts