FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term A axonemal microtubule ID (Ontology) GO:0097649 (Gene Ontology)
Definition A complete microtubule with 13 protofilaments that fuses with an incomplete microtubule called B tubule (containing 10 protofilaments only) to form an axonemal outer doublet. Inner and outer dynein arms, as well as the radial spoke, are attached to the A tubule.[ ISBN:0716731363 ]
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cytoplasmic microtubule
 |__axonemal microtubule__________
axoneme                           |
 |__axonemal microtubule__________|
 |__axonemal doublet microtubule__|
cellular anatomical structure     |
 |__axonemal doublet microtubule__|
                                  A axonemal microtubule
                                   |__axonemal A tubule inner sheath
                                   |__axonemal B tubule inner sheath
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Is a axonemal microtubule
Part of axonemal doublet microtubule
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Synonyms
  • "A tubule" BROAD
Secondary IDs
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