FB2026_03 , released September 17, 2026
CV Term Report
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Term anterior spiracular gland ID (Ontology) FBbt:00000409 (Fly Anatomy)
Definition A mass of about 30-50 polytene cells located in the protrusion of the prothoracic segment that houses the anterior spiracle of the larva. During the second instar, it is linked by ducts to the lobes of the anterior spiracle.[ FlyBase:FBrf0034081 FlyBase:FBrf0064787 ]
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 anterior spiracular gland (all annotations which use CV term, excluding "NOT" statements)
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prothoracic segment
 |__embryonic/larval anterior spiracle__
embryonic/larval spiracle               |
 |__embryonic/larval anterior spiracle__|
multicellular structure                 |
 |__gland_______________________________|
                                        anterior spiracular gland  2 rec.
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Is a gland
Part of embryonic/larval anterior spiracle
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