FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
Help Close All Open All
General Information
Term dorsal ridge ID (Ontology) FBbt:00000090 (Fly Anatomy)
Definition Protuberance of the embryonic head that develops at stage 12. It forms from the dorsal part of the gnathal segments. It gives rise to the frontal sac.[ FlyBase:FBrf0064803 ]
Comment
Links to External Ontologies
Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN       5
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       1
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       2
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Images Insertions Constructs
 dorsal ridge (all annotations which use CV term, excluding "NOT" statements)       5     15     12      1      4
Spanning Tree (Parents/Children)
Only view relationship: 
anatomical structure
 |__multicellular structure_____
ectodermal derivative           |
 |__dorsal ectoderm derivative__|
                                dorsal ridge  37 rec.
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a dorsal ectoderm derivative
multicellular structure
Develops from dorsal ridge primordium
Part of stage 12 embryo
stage 13 embryo
stage 14 embryo
hide Synonyms & Secondary IDs
Synonyms
Secondary IDs
hide External Crossreferences & Linkouts