FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term T-tubule ID (Ontology) GO:0030315 (Gene Ontology)
Definition Invagination of the plasma membrane of a muscle cell that extends inward from the cell surface around each myofibril. The ends of T-tubules make contact with the sarcoplasmic reticulum membrane.[ ISBN:0815316194 ]
Also Known As"transverse tubule"
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Genes (FBgn)GO_CELLULAR_COMPONENT
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 Alleles Genes Constructs
 T-tubule (all annotations which use CV term, excluding "NOT" statements)
     located_in | T-tubule       --
      --
     T-tubule | adult stage
      --
     T-tubule | third instar larval stage
      --
     T-tubule | third instar larval stage | heat sensitive
      --
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cellular_component
 |__cellular anatomical structure__
plasma membrane                    |
 |__sarcolemma_____________________|
                                   T-tubule  8 rec.
                                    |__L-type voltage-gated calcium channel complex
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Is a cellular anatomical structure
Part of sarcolemma
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Synonyms
  • "transverse tubule" EXACT
    "triad" RELATED
Secondary IDs
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Wikipedia:T-tubule