FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term olfactory receptor neuron ID (Ontology) FBbt:00005926 (Fly Anatomy)
Definition Any neuron (FBbt:00005106) that is capable of some detection of chemical stimulus involved in sensory perception of smell (GO:0050911).
Also Known As "odorant receptor neuron" ; "olfactory sensory neuron" ; "ORN" (for all, see Synonyms field below)
Comment
Links to External Ontologies
VFB:FBbt_00005926
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      40
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION      32
Insertions (FBti)  PHENOTYPE_MANIFEST_IN      13
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      19
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 Genes Insertions Constructs
 olfactory receptor neuron (all annotations which use CV term, excluding "NOT" statements)      40      9     46     65
     olfactory receptor neuron | adult stage       4       --       2      2
     olfactory receptor neuron | conditional       9       --       3      6
     olfactory receptor neuron | somatic clone       2       --       --       --
Spanning Tree (Parents/Children)
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neuron
 |__PNS neuron_______________
sensory neuron               |
 |__chemosensory neuron______|
chemosensory system neuron   |
 |__chemosensory neuron______|
 |__olfactory system neuron__|
                             olfactory receptor neuron  907 rec.
                              |__adult olfactory receptor neuron 768 rec.
                              |   |__adult antennal olfactory receptor neuron(+) 652 rec.
                              |   |__maxillary palp olfactory receptor neuron(+) 116 rec.
                              |__embryonic/larval olfactory receptor neuron 57 rec.
                                  |__olfactory receptor neuron of dorsal organ(+) 35 rec.
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Is a chemosensory neuron
olfactory system neuron
PNS neuron
Part of peripheral nervous system
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Synonyms
Secondary IDs
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VFB:FBbt_00005926