FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

determination of bilateral symmetry

ID (Ontology)

GO:0009855 (Gene Ontology)

Definition

The establishment of an organism's body plan or part of an organism with respect to a single longitudinal plane. The pattern can either be symmetric, such that the halves are mirror images, or asymmetric where the pattern deviates from this symmetry.

Also Known As

"determination of bilateral asymmetry"

Comment

Links to External Ontologies

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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
Genes (FBgn)	GO_BIOLOGICAL_PROCESS

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
determination of bilateral symmetry (all annotations which use CV term, excluding "NOT" statements)
involved_in \| determination of bilateral symmetry

Spanning Tree (Parents/Children)

  pattern specification process
   |__specification of symmetry
       |__determination of bilateral symmetry  26 rec.
           |__determination of dorsal/ventral asymmetry 6 rec.
           |   |__determination of dorsal identity(+) 3 rec.
           |   |__determination of ventral identity 1 rec.
           |__determination of left/right symmetry 19 rec.
               |__detection of nodal flow
               |__determination of digestive tract left/right asymmetry(+) 11 rec.
               |__determination of heart left/right asymmetry(+)
               |__determination of left/right asymmetry in lateral mesoderm
               |__determination of left/right asymmetry in nervous system(+)
               |__determination of liver left/right asymmetry
               |__determination of lung left/right asymmetry
               |__determination of pancreatic left/right asymmetry
               |__epithelial cilium movement involved in determination of left/right asymmetry 1 rec.
               |__establishment of left/right asymmetry(+)

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	specification of symmetry
Part of
Synonyms & Secondary IDs
Synonyms
	"determination of bilateral asymmetry" EXACT
Secondary IDs

External Crossreferences & Linkouts