FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term chordotonal organ ID (Ontology) FBbt:00005215 (Fly Anatomy)
Definition Mechanosensory organ, generally attached to the body wall, spanning different parts of the exoskeleton. It consists of one or more scolopidia and detects tension or vibration.[ FlyBase:FBrf0056378 FlyBase:FBrf0237124 ]
Also Known As "co" ; "scolopophorous organ" ; "sensilla scolopophora"
Comment
Links to External Ontologies
VFB:FBbt_00005215
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      99
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION      91
Insertions (FBti)  PHENOTYPE_MANIFEST_IN      33
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      15
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 Images Insertions Constructs
 chordotonal organ (all annotations which use CV term, excluding "NOT" statements)     101     41      3    124     35
     chordotonal organ | ectopic       8       --       --       --       6
     chordotonal organ | ectopic | embryonic stage       1       --       --       --       --
     chordotonal organ | embryonic stage       3       --       --       --       --
     chordotonal organ | embryonic stage 16       2       --       --       --       --
     chordotonal organ | embryonic stage | germline clone       1       --       --       --       --
     chordotonal organ | embryonic stage | lateral       5       --       --       3       --
     chordotonal organ | heat sensitive       1       --       --       --       1
     chordotonal organ | larval stage       2       --       --       --       --
     chordotonal organ | lateral      31       --       --      23       --
     chordotonal organ | lateral | maternal effect       3       --       --       --       --
     chordotonal organ | P-stage       1       --       --       --       --
     chordotonal organ | ventral       1       --       --       1       --
Spanning Tree (Parents/Children)
Only view relationship:
sense organ
 |__mechanosensory sensory organ__
 |__internal sense organ__________|
                                  chordotonal organ  667 rec.
                                   |__abdominal 9 lateral chordotonal organ lch3/1 1 rec.
                                   |__adult chordotonal organ 172 rec.
                                   |   |__adult chordotonal organ of prothoracic segment(+) 7 rec.
                                   |   |__chordotonal organ of leg(+) 38 rec.
                                   |   |__chordotonal organ of scabellum(+) 5 rec.
                                   |   |__chordotonal organ of wing(+) 20 rec.
                                   |   |__Johnston organ 115 rec.
                                   |   |__Wheeler's organ 6 rec.
                                   |__chordotonal organ of prothoracic segment 10 rec.
                                   |   |__adult chordotonal organ of prothoracic segment(+) 7 rec.
                                   |   |__prothoracic dorsal triscolopidial chordotonal organ dch3 1 rec.
                                   |   |__prothoracic lateral triscolopidial chordotonal organ lch3
                                   |   |__prothoracic ventral monoscolopidial chordotonal organ vch1
                                   |__embryonic/larval maxillary chordotonal organ with two scolopidia 7 rec.
                                   |__monoscolopidial chordotonal organ 38 rec.
                                   |   |__abdominal lateral monoscolopidial chordotonal organ lch1(+) 14 rec.
                                   |   |__abdominal ventral monoscolopidial chordotonal organ vch1(+) 18 rec.
                                   |   |__abdominal ventral monoscolopidial chordotonal organ vch2(+) 4 rec.
                                   |   |__mesothoracic ventral monoscolopidial chordotonal organ vch1 2 rec.
                                   |   |__metathoracic ventral monoscolopidial chordotonal organ vch1
                                   |   |__pharyngeal monoscolopidial chordotonal organ 5 rec.
                                   |   |__prothoracic ventral monoscolopidial chordotonal organ vch1
                                   |__pentascolopidial chordotonal organ 151 rec.
                                   |   |__abdominal lateral pentascolopidial chordotonal organ lch5(+) 147 rec.
                                   |__triscolopidial chordotonal organ 20 rec.
                                       |__abdominal 8 lateral chordotonal organ lch3 1 rec.
                                       |__mesothoracic dorsal triscolopidial chordotonal organ dch3 15 rec.
                                       |__metathoracic dorsal triscolopidial chordotonal organ dch3 15 rec.
                                       |__prothoracic dorsal triscolopidial chordotonal organ dch3 1 rec.
                                       |__prothoracic lateral triscolopidial chordotonal organ lch3
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Is a mechanosensory sensory organ
internal sense organ
Develops from chordotonal organ precursor cell
Part of
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Synonyms
Secondary IDs
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UBERON:0001038
VFB:FBbt_00005215