FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term hypandrium ID (Ontology) FBbt:00004847 (Fly Anatomy)
Definition The male ninth abdominal sternite which extends beneath the phallus. Its posterior ends are dorsally connected to the aedeagal sheath. The hypandrium is composed of the gonocoxite posteriorly, the hypandrial phragma anteriorly and the hypandrial transverse rod in between.[ FlyBase:FBrf0166419 FlyBase:FBrf0244105 ]
Also Known As"male abdominal sternite 9" ; "novasternum"
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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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 Alleles Images Insertions Constructs
 hypandrium (all annotations which use CV term, excluding "NOT" statements)
     hypandrium | cell autonomous | somatic clone
      --       --       --
     hypandrium | somatic clone
      --       --
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abdominal segment 9
 |__adult abdominal segment 9____
adult abdominal segment          |
 |__abdominal sternite___________|
adult telson                     |
 |__adult abdominal segment 9____|
sclerite                         |
 |__abdominal sternite___________|
adult external abdomen           |
 |__abdominal sternite___________|
male genitalia                   |
 |__phallic sclerite_____________|
dorsal ectoderm derivative       |
 |__abdominal sternite___________|
region of integument             |
 |__phallic sclerite_____________|
male-specific anatomical entity  |
 |__phallic sclerite_____________|
adult terminal segment           |
 |__adult abdominal segment 9____|
                                 hypandrium  36 rec.
                                  |__gonocoxite 19 rec.
                                  |   |__lateral gonocoxite 9 rec.
                                  |   |__median gonocoxite(+) 13 rec.
                                  |__hypandrial phragma
                                  |__hypandrial transverse rod
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Is a abdominal sternite
phallic sclerite
Develops from presumptive hypandrium
Part of adult abdominal segment 9
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