FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term cilium ID (Ontology) GO:0005929 (Gene Ontology)
Definition A specialized eukaryotic organelle that consists of a filiform extrusion of the cell surface and of some cytoplasmic parts. Each cilium is largely bounded by an extrusion of the cytoplasmic (plasma) membrane, and contains a regular longitudinal array of microtubules, anchored to a basal body.[ ISBN:0198547684 PubMed:16824949 PubMed:17009929 PubMed:20144998 ]
Also Known As "eukaryotic flagellum" ; "microtubule-based flagellum"
Comment
Links to External Ontologies
  QuickGO data     AmiGO data
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      24
Genes (FBgn)  GO_CELLULAR_COMPONENT      55
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       1
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       1
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 Gene Groups Genes Insertions Constructs
 cilium (all annotations which use CV term, excluding "NOT" statements)      24      2     55      1      2
     cilium | absent | larval stage       2       --       --       --       --
     cilium | adult stage      10       --       --       --       9
     cilium | adult stage | decreased number       3       --       --       --       --
     cilium | spermatogenesis       2       --       --       --       2
     colocalizes_with | cilium       --       --       3       --       --
     is_active_in | cilium       --       --      27       --       --
     located_in | cilium       --       --      31       --       --
 NOT | located_in | cilium       --       --       1       --       --
Spanning Tree (Parents/Children)
Only view relationship:
cell projection
 |__plasma membrane bounded cell projection__
organelle                                    |
 |__membrane-bounded organelle_______________|
                                             cilium  337 rec.
                                              |__motile cilium 72 rec.
                                              |   |__9+0 motile cilium
                                              |   |__9+2 motile cilium(+) 53 rec.
                                              |__non-motile cilium 21 rec.
                                                  |__9+0 non-motile cilium(+) 10 rec.
                                                  |__9+2 non-motile cilium(+) 1 rec.
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Is a membrane-bounded organelle
plasma membrane bounded cell projection
Part of
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Synonyms
  • "eukaryotic flagellum" EXACT
    "flagellum" RELATED
    "microtubule-based flagellum" EXACT
    "primary cilium" NARROW
Secondary IDs
hide External Crossreferences & Linkouts
FMA:67181
NIF_Subcellular:sao787716553
Wikipedia:Cilium