FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term ring centriole ID (Ontology) GO:0061823 (Gene Ontology)
Definition A ring-like structure observed at the base of the ciliary cap of insect spermatids. This structure may anchor the axoneme to the ciliary cap membrane and/or act as a diffusion barrier, proposed to be analogous to the annulus of mammalian sperm flagellum.[ PubMed:25447994 PubMed:4903810 ]
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Data ClassFieldDirect annotations
Genes (FBgn)GO_CELLULAR_COMPONENT
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 ring centriole (all annotations which use CV term, excluding "NOT" statements)
     located_in | ring centriole
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cellular_component
 |__cellular anatomical structure________
membrane-bounded organelle               |
 |__cilium_______________________________|
plasma membrane bounded cell projection  |
 |__cilium_______________________________|
                                         ring centriole  2 rec.
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Is a cellular anatomical structure
Part of cilium
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