FB2026_02 , released June 18, 2026
FB2026_02 , released June 18, 2026
CV Term Report
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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 ]
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 dorsal ridge (all annotations which use CV term, excluding "NOT" statements)
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late extended germ band embryo
 |__stage 12 embryo_____________
dorsal closure embryo           |
 |__stage 13 embryo_____________|
 |__stage 14 embryo_____________|
anatomical structure            |
 |__multicellular structure_____|
ectodermal derivative           |
 |__dorsal ectoderm derivative__|
                                dorsal ridge  37 rec.
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Is a dorsal ectoderm derivative
multicellular structure
Develops from dorsal ridge primordium
Part of stage 12 embryo
stage 13 embryo
stage 14 embryo
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