FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term adult olfactory receptor neuron Or33c/85e ID (Ontology) FBbt:00067036 (Fly Anatomy)
Definition Adult olfactory receptor neuron (ORN) that expresses Or33c and Or85e (Benton et al., 2025). Its dendrite transduces signals from maxillary palp basiconic sensillum pb2 and it responds to various odorants associated with plant matter (Benton et al., 2025). Its axon innervates antennal lobe glomerulus VC1, bilaterally (Benton et al., 2025). It expresses sNPF (Carlsson et al., 2010). It develops from an Nba precursor (Benton et al., 2025). There are approximately 12-14 of these cells on each side (Grabe et al., 2016; Benton et al., 2025).[ FlyBase:FBrf0184216 FlyBase:FBrf0187305 FlyBase:FBrf0211156 FlyBase:FBrf0233453 FlyBase:FBrf0262710 ]
Also Known As "adult ORN Or33c" ; "adult ORN Or33c/85e" ; "adult ORN Or85e" (for all, see Synonyms field below)
Comment
Links to External Ontologies
VFB:FBbt_00067036
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       5
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       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 Genes Insertions Constructs
 adult olfactory receptor neuron Or33c/85e (all annotations which use CV term, excluding "NOT" statements)       7      2      1      7
     adult olfactory receptor neuron Or33c/85e | cell non-autonomous | somatic clone       1       --       1       --
     adult olfactory receptor neuron Or33c/85e | somatic clone       2       --       --       --
Spanning Tree (Parents/Children)
Only view relationship: 
peptidergic neuron
 |__sNPF neuron_______________________________
 |__adult peptidergic neuron__________________|
neurosecretory neuron                         |
 |__sNPF neuron_______________________________|
 |__adult neurosecretory neuron_______________|
eo neuron                                     |
 |__maxillary palp olfactory receptor neuron__|
adult olfactory receptor neuron               |
 |__adult antennal olfactory receptor neuron__|
 |__maxillary palp olfactory receptor neuron__|
adult neuron                                  |
 |__adult neurosecretory neuron_______________|
 |__adult peptidergic neuron__________________|
adult antennal lobe receptor neuron           |
 |__adult antennal olfactory receptor neuron__|
 |__bilateral antennal lobe receptor neuron___|
                                              adult olfactory receptor neuron Or33c/85e  17 rec.
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Is a adult antennal olfactory receptor neuron
maxillary palp olfactory receptor neuron
sNPF neuron
bilateral antennal lobe receptor neuron
adult neurosecretory neuron
adult peptidergic neuron
Develops from antennal olfactory receptor neuron precursor Nba
Part of
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Synonyms
  • "adult ORN Or33c" EXACT
    "adult ORN Or33c/85e" EXACT
    "adult ORN Or85e" EXACT
    "odorant receptor neuron Or33c" EXACT
    "odorant receptor neuron Or85e" EXACT
    "odorant receptor neuron VC1" RELATED
    "ORN (Or33c/85e)" EXACT
    "ORN Or85e/33c" EXACT
    "ORN pb2A" EXACT[ FlyBase:FBrf0184216 ]
    "ORN_VC1" EXACT VFB_SYMBOL
Secondary IDs
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DoOR:Or33c
DoOR:Or85e
DoOR:pb2A
FlyBrain_NDB:10398
VFB:FBbt_00067036