FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
CV Term Report
Help Close All Open All
General Information
Term A1-7 dorsal transverse muscle 1 ID (Ontology) FBbt:00058451 (Fly Anatomy)
Definition The only dorsal transverse muscle of embryonic/larval abdominal segments 1-7. It is an external muscle (Landgraf et al., 2003; Zarin and Labrador, 2019).[ FlyBase:FBrf0064793 FlyBase:FBrf0089570 FlyBase:FBrf0167986 FlyBase:FBrf0245882 ]
Also Known As "A1-7 DT1" ; "A1-7 pet5" ; "A1-7 pleural external transverse 5"
Comment No DT1 in thoracic segments, but one shown in A8 in Campos-Ortega and Hartenstein (1997).
Links to External Ontologies
Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN       4
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       1
Constructs (FBtp)  PHENOTYPE_MANIFEST_IN       1
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Insertions Constructs
 A1-7 dorsal transverse muscle 1 (all annotations which use CV term, excluding "NOT" statements)       4      1      1
     A1-7 dorsal transverse muscle 1 | larval stage       4      1      1
Spanning Tree (Parents/Children)
Only view relationship: 
embryonic/larval hypodermal muscle
 |__larval external muscle________
transverse muscle                 |
 |__dorsal transverse muscle______|
 |__A1-7 transverse muscle________|
hypodermal muscle of A1-7         |
 |__A1-7 transverse muscle________|
 |__SN innervated muscle of A1-7__|
                                  A1-7 dorsal transverse muscle 1  35 rec.
                                   |__abdominal 1 dorsal transverse muscle 1 11 rec.
                                   |   |__muscle cell of abdominal 1 dorsal transverse muscle 1 11 rec.
                                   |__abdominal 2 dorsal transverse muscle 1 10 rec.
                                   |   |__muscle cell of abdominal 2 dorsal transverse muscle 1 10 rec.
                                   |__abdominal 3 dorsal transverse muscle 1 6 rec.
                                   |   |__muscle cell of abdominal 3 dorsal transverse muscle 1 6 rec.
                                   |__abdominal 4 dorsal transverse muscle 1 6 rec.
                                   |   |__muscle cell of abdominal 4 dorsal transverse muscle 1 6 rec.
                                   |__abdominal 5 dorsal transverse muscle 1 6 rec.
                                   |   |__muscle cell of abdominal 5 dorsal transverse muscle 1 6 rec.
                                   |__abdominal 6 dorsal transverse muscle 1 6 rec.
                                   |   |__muscle cell of abdominal 6 dorsal transverse muscle 1 6 rec.
                                   |__abdominal 7 dorsal transverse muscle 1 9 rec.
                                   |   |__muscle cell of abdominal 7 dorsal transverse muscle 1 9 rec.
                                   |__muscle cell of A1-7 dorsal transverse muscle 1 29 rec.
                                       |__muscle cell of abdominal 1 dorsal transverse muscle 1 11 rec.
                                       |__muscle cell of abdominal 2 dorsal transverse muscle 1 10 rec.
                                       |__muscle cell of abdominal 3 dorsal transverse muscle 1 6 rec.
                                       |__muscle cell of abdominal 4 dorsal transverse muscle 1 6 rec.
                                       |__muscle cell of abdominal 5 dorsal transverse muscle 1 6 rec.
                                       |__muscle cell of abdominal 6 dorsal transverse muscle 1 6 rec.
                                       |__muscle cell of abdominal 7 dorsal transverse muscle 1 9 rec.
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a dorsal transverse muscle
A1-7 transverse muscle
larval external muscle
SN innervated muscle of A1-7
Part of
hide Synonyms & Secondary IDs
Synonyms
Secondary IDs
hide External Crossreferences & Linkouts