FB2024_03 , released June 25, 2024
FB2024_03 , released June 25, 2024
CV Term Report
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General Information
Term ptilinum ID (Ontology) FBbt:00004483 (Fly Anatomy)
Definition Membranous sac that is part of the front of the head capsule. It is everted at eclosion and serves to break open the operculum at the end of the puparium. Following eclosion, it is withdrawn into the head where it collapses and becomes sclerotized, externally leaving the ptilinal suture.[ FlyBase:FBrf0007734 FlyBase:FBrf0031004 ]
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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      12
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       1
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       9
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 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Images Insertions Constructs
 ptilinum (all annotations which use CV term, excluding "NOT" statements)      12      1      7      1      9
     ptilinum | clone of cells       1       --       --       --       --
Spanning Tree (Parents/Children)
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adult external head
 |__adult head capsule____
integumentary system      |
 |__region of integument__|
region of integument      |
 |__adult head capsule____|
organ system subdivision  |
 |__region of integument__|
                          ptilinum  32 rec.
                           |__ptilinal suture 5 rec.
                           |__shingle cuticle of lateral ptilinum
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Is a region of integument
Develops from presumptive ptilinum
Part of adult head capsule
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