FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term aedeagus ID (Ontology) FBbt:00004852 (Fly Anatomy)
Definition A tubular organ with a single external opening called phallotrema. The aedeagus is entirely membranous and laterally covered with fringe-like, irregular rows of long and blunt scales.[ FlyBase:FBrf0244105 ]
Also Known As"penis"
CommentThe name aedeagus, previously used for the entire phallus, is now used for a more specific part of the phallus (see FBrf0244105).
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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Relevant FlyBase reports
 Alleles Images Insertions Constructs
 aedeagus (all annotations which use CV term, excluding "NOT" statements)
     aedeagus | cell autonomous | somatic clone
      --       --       --
     aedeagus | ectopic
      --       --       --
     aedeagus | ectopic | female limited
      --       --
     aedeagus | heat sensitive
      --       --
     aedeagus | increased number
      --       --
     aedeagus | somatic clone
      --
      --
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Vocabulary search
integumentary system
 |__integumentary specialization_____
male organism                        |
 |__male-specific anatomical entity__|
phallic sclerite                     |
 |__phallus__________________________|
anatomical entity                    |
 |__integumentary specialization_____|
 |__male-specific anatomical entity__|
                                     aedeagus  60 rec.
                                      |__aedeagal sheath
                                      |__phallotrema
                                      |__pregonite 1 rec.
                                          |__pregonal bristle
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Is a integumentary specialization
male-specific anatomical entity
Develops from presumptive aedeagus
Part of phallus
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