FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term adult DN period neuron ID (Ontology) FBbt:00003628 (Fly Anatomy)
Definition Period (FBgn0003068) expressing neuron of the adult brain whose cell body is located in the posterior, dorsal-most cortex.[ FlyBase:FBrf0056576 FlyBase:FBrf0098279 FlyBase:FBrf0162235 ]
CommentKaneko et al. (1997) suggest that the larval DN period neurons could be the same cells as the adult DN period neurons based on position of the soma. However, they further comment that these cells do not continuously express Period (FBgn0003068) throughout the developmental stages, making developmental profiling difficult. Furthermore, antiphase cycling of Period observed in larval DN period neuron-2 was not found in either the pupal or adult DN period neuron-2, suggesting that these cells would have to change their Period cycling phase during metamorphosis if they are the same cells. Because of this uncertainty, this ontology does not currently record a developmental relationship between the larval and adult DN neurons.
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VFB:FBbt_00003628
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Data ClassFieldDirect annotations
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
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 adult DN period neuron (all annotations which use CV term, excluding "NOT" statements)
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adult head
 |__adult brain______________________
adult central nervous system         |
 |__adult brain______________________|
brain                                |
 |__adult brain______________________|
pacemaker neuron                     |
 |__adult pacemaker neuron___________|
adult neuron                         |
 |__adult CNS neuron_________________|
 |__adult pacemaker neuron___________|
CNS neuron                           |
 |__supraesophageal ganglion neuron__|
 |__adult CNS neuron_________________|
                                     adult DN period neuron  147 rec.
                                      |__DN1 neuron 113 rec.
                                      |   |__DN1a neuron 49 rec.
                                      |   |__DN1p neuron(+) 53 rec.
                                      |__DN2 neuron 38 rec.
                                      |__DN3 neuron 53 rec.
                                          |__allatostatin C DN3 neuron(+) 5 rec.
                                          |__large DN3 neuron(+) 8 rec.
                                          |__small central-projecting DN3 neuron(+) 3 rec.
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Is a supraesophageal ganglion neuron
adult CNS neuron
adult pacemaker neuron
Part of adult brain
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Synonyms
  • "adult dorsal neuron" RELATED
    "DN period neuron" RELATED
Secondary IDs
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VFB:FBbt_00003628