FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term embryonic/larval rectum ID (Ontology) FBbt:00001892 (Fly Anatomy)
Definition Posterior-most portion of the embryonic/larval alimentary canal, terminating in the anus.[ FlyBase:FBrf0064792 FlyBase:FBrf0186027 ]
Also Known As"larval rectum"
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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 Alleles Genes Insertions Constructs
 embryonic/larval rectum (all annotations which use CV term, excluding "NOT" statements)
     embryonic/larval rectum | third instar larval stage
      --       --
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hindgut
 |__embryonic/larval hindgut_______
 |__rectum_________________________|
embryonic/larval gut               |
 |__embryonic/larval hindgut_______|
ectodermal derivative              |
 |__posterior ectoderm derivative__|
gut section                        |
 |__rectum_________________________|
                                   embryonic/larval rectum  56 rec.
                                    |__embryonic/larval anus 40 rec.
                                    |   |__anal imaginal ring 1 rec.
                                    |   |__anal slit 8 rec.
                                    |   |__embryonic/larval anal pad 24 rec.
                                    |__larval rectal sphincter cell 8 rec.
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Is a rectum
posterior ectoderm derivative
Develops from rectum primordium
Part of embryonic/larval hindgut
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Synonyms
  • "larval rectum" EXACT
Secondary IDs
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