FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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Term postgenal air sac ID (Ontology) FBbt:00003105 (Fly Anatomy)
Definition A small tracheal air sac of the adult head, located ventrally and posterior to the eye. It corresponds to the expansion of a ventral branch of the cervical trachea. It tapers ventrally to form the labial trachea and its branch, the maxillary palpus trachea.[ FlyBase:FBim0000051 FlyBase:FBim0000052 FlyBase:FBrf0007735 ]
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 postgenal air sac (all annotations which use CV term, excluding "NOT" statements)       4
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  adult tracheal air sac
   |__head air sac
       |__postgenal air sac  4 rec.
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