FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

inner layer of the larval mushroom body

ID (Ontology)

FBbt:00110202 (Fly Anatomy)

Definition

Inner layer of the third instar larval mushroom body, encompassing the pedunculus and lobes. It is surrounded by the outer layer. Part of the larval-born gamma type Kenyon cells are contained in this layer.[ FlyBase:FBrf0111409 FlyBase:FBrf0144836 ]

Comment

This layer was identified by staining with a FasII antibody. The inner layer is FasII-positive. At the second larval instar, the outer and inner layers are part of the same middle layer (Pauls et al., 2010; Kurusu et al., 2002).

Links to External Ontologies

VFB:FBbt_00110202

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
Insertions (FBti)	EXPRESSION_STAGE_TISSUE_POSITION

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	Insertions	Constructs
inner layer of the larval mushroom body (all annotations which use CV term, excluding "NOT" statements)

Spanning Tree (Parents/Children)

larval protocerebrum
 |__embryonic/larval mushroom body______
mushroom body                           |
 |__embryonic/larval mushroom body______|
 |__mushroom body neuropil subdivision__|
synaptic neuropil                       |
 |__mushroom body neuropil subdivision__|
synaptic neuropil subdomain             |
 |__synaptic neuropil layer_____________|
larval central brain                    |
 |__embryonic/larval mushroom body______|
                                        inner layer of the larval mushroom body  18 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	synaptic neuropil layer mushroom body neuropil subdivision
Part of	embryonic/larval mushroom body
Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts
	VFB:FBbt_00110202