FB2026_03 , released September 17, 2026
CV Term Report
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Term hypopharyngeal lobe ID (Ontology) FBbt:00001863 (Fly Anatomy)
Definition Protuberance of the procephalon that marks the rudimentary third (intercalary) head segment (Hartenstein, 1993). It first becomes apparent at stage 11 of embryogenesis. This lobe bears the primordium of the posterior pharyngeal sense organ (hypopharyngeal organ) (Jurgens and Hartenstein, 1993).[ FlyBase:FBrf0064788 FlyBase:FBrf0064803 ]
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Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
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 hypopharyngeal lobe (all annotations which use CV term, excluding "NOT" statements)
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foregut
 |__embryonic/larval foregut_______________
material anatomical entity                 |
 |__developing material anatomical entity__|
embryonic/larval gut                       |
 |__embryonic/larval foregut_______________|
anterior ectoderm derivative               |
 |__embryonic/larval foregut_______________|
                                           hypopharyngeal lobe  18 rec.
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Is a developing material anatomical entity
Develops from intercalary segment
Part of embryonic/larval foregut
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