FB2026_03 , released September 17, 2026
FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term muscle cell ID (Ontology) FBbt:00005074 (Fly Anatomy)
Definition Somatic, contractile cell that makes up a muscle. It is formed by several fusion events between fusion competent myoblasts and one founder cell.[ FlyBase:FBrf0051585 FlyBase:FBrf0205186 FlyBase:FBrf0217289 ]
Comment In contrast to vertebrates, in Drosophila embryos and larva, each muscle is a single myotube (Maqbool and Jagla, 2007).
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Direct annotations: records annotated with this exact term (child terms are NOT included)
Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPE_MANIFEST_IN
Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
Insertions (FBti)PHENOTYPE_MANIFEST_IN
Constructs (FBtp)PHENOTYPE_MANIFEST_IN
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Relevant FlyBase reports
 Alleles Genes Insertions Constructs
 muscle cell (all annotations which use CV term, excluding "NOT" statements)
     muscle cell | absent
      --       --
     muscle cell | adult stage
      --       --
     muscle cell | decreased number
      --       --
     muscle cell | embryonic stage
      --       --
     muscle cell | increased number
      --       --
     muscle cell | larval stage
      --       --       --
     muscle cell | P-stage
      --       --       --
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organ system
 |__muscle system__
cell               |
 |__somatic cell___|
                   muscle cell  4873 rec.
                    |__adult muscle cell 1950 rec.
                    |   |__adult somatic muscle cell(+) 1668 rec.
                    |   |__adult visceral muscle cell(+) 269 rec.
                    |__larval muscle cell 2798 rec.
                    |   |__larval somatic muscle cell(+) 2552 rec.
                    |   |__larval visceral muscle cell(+) 572 rec.
                    |__myotube 135 rec.
                    |__somatic muscle cell 4218 rec.
                    |   |__adult somatic muscle cell(+) 1668 rec.
                    |   |__asynchronous muscle cell(+) 306 rec.
                    |   |__embryonic somatic muscle cell(+) 216 rec.
                    |   |__larval somatic muscle cell(+) 2552 rec.
                    |   |__posterior spiracle retractor muscle cell(+) 2 rec.
                    |   |__spiracular occlusor muscle cell(+) 2 rec.
                    |   |__synchronous muscle cell(+) 184 rec.
                    |   |__tubular muscle cell 6 rec.
                    |__visceral muscle cell 1019 rec.
                        |__adult visceral muscle cell(+) 269 rec.
                        |__contractile cardiomyocyte(+) 3 rec.
                        |__embryonic visceral muscle cell(+) 65 rec.
                        |__foregut muscle cell(+) 7 rec.
                        |__hindgut muscle cell(+) 11 rec.
                        |__larval visceral muscle cell(+) 572 rec.
                        |__midgut muscle cell(+) 47 rec.
                        |__visceral muscle fiber(+) 196 rec.
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Is a somatic cell
Part of muscle system
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CL:0000187