FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

muscle cell of ventral longitudinal muscle 4

ID (Ontology)

FBbt:00110247 (Fly Anatomy)

Definition

Any muscle cell (FBbt:00005074) that is part of some ventral longitudinal muscle 4 (FBbt:00059139).

Also Known As

"VL4 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 longitudinal muscle 4 (all annotations which use CV term, excluding "NOT" statements)
muscle cell of ventral longitudinal muscle 4 \| larval stage		--
muscle cell of ventral longitudinal muscle 4 \| second instar larval stage		--	--
muscle cell of ventral longitudinal muscle 4 \| third instar larval stage		--

Spanning Tree (Parents/Children)

longitudinal muscle cell
 |__ventral longitudinal muscle cell__
larval internal muscle cell           |
 |__ventral longitudinal muscle cell__|
ventral longitudinal muscle           |
 |__ventral longitudinal muscle cell__|
 |__ventral longitudinal muscle 4_____|
                                      muscle cell of ventral longitudinal muscle 4  126 rec.
                                       |__muscle cell of A1-7 ventral longitudinal muscle 4 108 rec.
                                       |   |__muscle cell of abdominal 1 ventral longitudinal muscle 4 9 rec.
                                       |   |__muscle cell of abdominal 2 ventral longitudinal muscle 4 12 rec.
                                       |   |__muscle cell of abdominal 3 ventral longitudinal muscle 4 10 rec.
                                       |   |__muscle cell of abdominal 4 ventral longitudinal muscle 4 8 rec.
                                       |   |__muscle cell of abdominal 5 ventral longitudinal muscle 4 8 rec.
                                       |   |__muscle cell of abdominal 6 ventral longitudinal muscle 4 8 rec.
                                       |   |__muscle cell of abdominal 7 ventral longitudinal muscle 4 11 rec.
                                       |__muscle cell of abdominal 8 ventral longitudinal muscle 4
                                       |__muscle cell of metathoracic ventral longitudinal muscle 4 2 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	ventral longitudinal muscle cell
Part of	ventral longitudinal muscle 4
Synonyms & Secondary IDs
Synonyms
	"VL4 muscle cell" EXACT
Secondary IDs

External Crossreferences & Linkouts