FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
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"
Comment
Links to External Ontologies
Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       1
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Genes Images Insertions
 esophagus (all annotations which use CV term, excluding "NOT" statements)       2      5      1
Spanning Tree (Parents/Children)
Only view relationship: 
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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