FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term filzkorper ID (Ontology) FBbt:00000434 (Fly Anatomy)
Definition Fine cuticular thread that lines the spiracular chamber.[ FlyBase:FBrf0064787 FlyBase:FBrf0111388 ]
Also Known As "felt"
Comment
Links to External Ontologies
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     237
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       1
Insertions (FBti)  PHENOTYPE_MANIFEST_IN      34
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      41
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
 filzkorper (all annotations which use CV term, excluding "NOT" statements)     238      2      1     34     42
     filzkorper | ectopic      10       --       --       --       8
     filzkorper | ectopic | germline clone | maternal effect       2       --       --       --       --
     filzkorper | ectopic | heat sensitive       4       --       --       --       4
     filzkorper | ectopic | maternal effect       1       --       --       --       --
     filzkorper | embryonic stage       4       --       --       1       --
     filzkorper | embryonic stage | germline clone       2       --       --       1       --
     filzkorper | embryonic stage | increased number       3       --       --       1      2
     filzkorper | embryonic stage | maternal effect       7       --       --       1      1
     filzkorper | germline clone      10       --       --       1      1
     filzkorper | germline clone | maternal effect      28       --       --       --       --
     filzkorper | germline clone | non-rescuable maternal effect       3       --       --       1       --
     filzkorper | heat sensitive       1       --       --       --       1
     filzkorper | larval stage       3       --       --       1       --
     filzkorper | maternal effect      30       --       --      12      5
     filzkorper | maternal effect | cold sensitive       1       --       --       --       --
     filzkorper | maternal effect | heat sensitive       3       --       --       --       --
     filzkorper | non-rescuable maternal effect       5       --       --       --       --
     filzkorper | rescuable maternal effect       2       --       --       1       --
Spanning Tree (Parents/Children)
Only view relationship:
  acellular anatomical structure
   |__cuticular specialization
       |__filzkorper  317 rec.
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Is a cuticular specialization
Part of spiracular chamber
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Synonyms
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