FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

muscle cell of ventral transverse muscle 1

ID (Ontology)

FBbt:00110280 (Fly Anatomy)

Definition

Any muscle cell (FBbt:00005074) that is part of some ventral transverse muscle 1 (FBbt:00059147).

Also Known As

"VT1 muscle cell"

Comment

Following Bate (1993), larval hypodermal muscles are named for their orientation and numbered based on their order from dorsal to ventral or anterior to posterior. So, except where musculature is essentially identical between segments (as for A1-7, with a couple of exceptions for A1), serial homology should not be assumed on the basis of a shared name.

Links to External Ontologies

Annotations

Records annotated with this term OR any of its CHILD TERMS

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Direct annotations: records annotated with this exact term (child terms are NOT included)

Data Class	Field	Direct annotations
Alleles (FBal)	PHENOTYPE_MANIFEST_IN
Constructs (FBtp)	PHENOTYPE_MANIFEST_IN

Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

Full annotation statements	Relevant FlyBase reports
Full annotation statements	Alleles	Genes	Constructs
muscle cell of ventral transverse muscle 1 (all annotations which use CV term, excluding "NOT" statements)
muscle cell of ventral transverse muscle 1 \| embryonic stage		--	--

Spanning Tree (Parents/Children)

embryonic/larval hypodermal muscle cell
 |__larval external muscle cell_____
transverse muscle cell              |
 |__ventral transverse muscle cell__|
ventral transverse muscle           |
 |__ventral transverse muscle cell__|
 |__ventral transverse muscle 1_____|
larval external muscle              |
 |__larval external muscle cell_____|
 |__ventral transverse muscle 1_____|
                                    muscle cell of ventral transverse muscle 1  24 rec.
                                     |__muscle cell of A2-7 ventral transverse muscle 1 13 rec.
                                     |   |__muscle cell of abdominal 2 ventral transverse muscle 1 4 rec.
                                     |   |__muscle cell of abdominal 3 ventral transverse muscle 1
                                     |   |__muscle cell of abdominal 4 ventral transverse muscle 1
                                     |   |__muscle cell of abdominal 5 ventral transverse muscle 1
                                     |   |__muscle cell of abdominal 6 ventral transverse muscle 1
                                     |   |__muscle cell of abdominal 7 ventral transverse muscle 1 2 rec.
                                     |__muscle cell of abdominal 8 ventral transverse muscle 1 1 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	ventral transverse muscle cell larval external muscle cell
Part of	ventral transverse muscle 1
Synonyms & Secondary IDs
Synonyms
	"VT1 muscle cell" EXACT
Secondary IDs

External Crossreferences & Linkouts