FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term embryonic/larval tracheal stalk cell ID (Ontology) FBbt:00111335 (Fly Anatomy)
Definition Y-shaped cell of the larval trachea that bifurcates at the distal end to connect to the two subtypes of tip cells, terminal and fusion. It forms an autocellular tube. The interface between a stalk cell and a terminal cell is simple, whereas the one between a stalk cell and a fusion cell is more complex. The stalk cell extends its seamed tube into the fusion cell, such that the apical membrane of the first surrounds almost the entire fusion cell lumen.[ FlyBase:FBrf0087684 FlyBase:FBrf0217256 FlyBase:FBrf0228496 ]
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Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN      13
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       1
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       7
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Relevant FlyBase reports
 Alleles Insertions Constructs
 embryonic/larval tracheal stalk cell (all annotations which use CV term, excluding "NOT" statements)      13      1      7
     embryonic/larval tracheal stalk cell | somatic clone | third instar larval stage       4      1       --
     embryonic/larval tracheal stalk cell | third instar larval stage       7       --       5
Spanning Tree (Parents/Children)
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tracheocyte_____________
larval epithelial cell__|
                        larval tracheocyte
                         |__embryonic/larval tracheal stalk cell  21 rec.
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