FB2026_03 , released September 17, 2026
CV Term Report
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Term rectum primordium ID (Ontology) FBbt:00005506 (Fly Anatomy)
Definition A(n) primordium that develops into some embryonic/larval rectum. It develops from some hindgut proper primordium.
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 rectum primordium (all annotations which use CV term, excluding "NOT" statements)
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embryo
 |__developing embryonic structure_____
 |__dorsal closure embryo______________|
extended germ band embryo              |
 |__late extended germ band embryo_____|
developing material anatomical entity  |
 |__developing embryonic structure_____|
 |__primordium_________________________|
ectodermal derivative                  |
 |__posterior ectoderm derivative______|
                                       rectum primordium  12 rec.
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Is a developing embryonic structure
primordium
posterior ectoderm derivative
Develops from hindgut proper primordium
Part of late extended germ band embryo
dorsal closure embryo
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Synonyms
  • "P1 Rect" RELATED
    "rectum specific anlage" RELATED
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