FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term larval thoracic ventral intersegmental muscle ID (Ontology) FBbt:00058346 (Fly Anatomy)
Definition Ventrally located larval hypodermal muscle that belongs to a large bundle of five fibers spanning the thoracic segments (Campos-Ortega and Hartenstein, 1997). They span at least the prothoracic segment (Campos-Ortega and Hartenstein, 1997), with some fibers attaching to the mouthparts anteriorly (Matthes et al., 1995) and one fiber (VIS5) reaches the apodeme between T3 and A1 posteriorly (Campos-Ortega and Hartenstein, 1997).[ FlyBase:FBrf0082330 FlyBase:FBrf0089570 ]
Comment Hooper (1986) - FBrf0044229 shows all of these extending to at least T2-T3 in third instar.
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  intersegmental muscle
   |__prothoracic intersegmental muscle
       |__larval thoracic ventral intersegmental muscle  13 rec.
           |__larval prothoracic ventral intersegmental muscle 2
           |__larval prothoracic ventral intersegmental muscle 3 1 rec.
           |__larval prothoracic ventral intersegmental muscle 4
           |__larval thoracic ventral intersegmental muscle 1
           |__larval thoracic ventral intersegmental muscle 5 1 rec.
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Is a prothoracic intersegmental muscle
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