FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term esophagus ID (Ontology) FBbt:00005381 (Fly Anatomy)
Definition Section of the foregut posterior to the pharynx.
Also Known As"oesophagus"
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Data ClassFieldDirect annotations
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
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 esophagus (all annotations which use CV term, excluding "NOT" statements)
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multi-tissue structure
 |__foregut_______________________
organ system subdivision          |
 |__gut section___________________|
ectodermal derivative             |
 |__anterior ectoderm derivative__|
gut                               |
 |__gut section___________________|
gut section                       |
 |__foregut_______________________|
                                  esophagus  297 rec.
                                   |__adult esophagus 23 rec.
                                   |   |__adult esophageal muscle cell(+) 1 rec.
                                   |   |__adult esophagus epithelium(+) 6 rec.
                                   |__embryonic esophagus 216 rec.
                                   |   |__embryonic esophageal muscle cell 1 rec.
                                   |__embryonic/larval esophagus 57 rec.
                                       |__embryonic/larval esophageal muscle cell
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Is a anterior ectoderm derivative
gut section
Develops from esophagus primordium
Part of foregut
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Synonyms
  • "oesophagus" EXACT
Secondary IDs
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