FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term dorsal longitudinal indirect flight muscle ID (Ontology) FBbt:00058883 (Fly Anatomy)
Definition Indirect flight muscle that extends anterioposteriorly, along the full length of the thorax (Dickinson and Tu, 1997). There are six of these muscles on each side, each with a single muscle cell (Dickinson and Tu, 1997). They have anterior attachment sites across the anterior and dorsal tergum and posterior attachment sites in the postnotum (Miyan and Ewing 1985). It functions to depress the wings by longitudinal arching of the scutum (Miller, 1950).[ FlyBase:FBrf0007735 FlyBase:FBrf0064793 FlyBase:FBrf0098527 FlyBase:FBrf0228229 ]
Also Known As "DLM" ; "dorsal longitudinal muscle" ; "dorsal medial indirect flight muscle" (for all, see Synonyms field below)
Comment DLM1-6 numbered ventral to dorsal (see Ikeda and Koenig (1988) - FBrf0048552), muscles 45a-f numbered dorsal to ventral (see Tanouye and Wyman (1981) - FBrf0074584).
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Annotations
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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      30
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN      24
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Relevant FlyBase reports
 Alleles Genes Constructs
 dorsal longitudinal indirect flight muscle (all annotations which use CV term, excluding "NOT" statements)      30      1     24
     dorsal longitudinal indirect flight muscle | adult stage       2       --       2
     dorsal longitudinal indirect flight muscle | P-stage      10       --       9
     dorsal longitudinal indirect flight muscle | P-stage | absent       5       --       4
Spanning Tree (Parents/Children)
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indirect flight muscle__
asynchronous muscle_____|
                        flight power muscle
                         |__dorsal longitudinal indirect flight muscle  343 rec.
                             |__dorsal longitudinal indirect flight muscle 45a 9 rec.
                             |__dorsal longitudinal indirect flight muscle 45b 9 rec.
                             |__dorsal longitudinal indirect flight muscle 45c 11 rec.
                             |__dorsal longitudinal indirect flight muscle 45d 11 rec.
                             |__dorsal longitudinal indirect flight muscle 45e 11 rec.
                             |__dorsal longitudinal indirect flight muscle 45f 11 rec.
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Is a flight power muscle
Develops from developing dorsal longitudinal indirect flight muscle
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