FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

medial lobe of larval mushroom body

ID (Ontology)

FBbt:00110188 (Fly Anatomy)

Definition

The medial lobe of the larval mushroom body. It is associated with appetitive memory (Eschbach et al., 2020).[ FlyBase:FBrf0211533 FlyBase:FBrf0245294 ]

Also Known As

"horizontal lobe of larval mushroom body"

Comment

At third instar, the medial lobe comprise three types of Kenyon cells: embryonic-born gamma neurons, larval-born gamma neurons and larval born alpha'/beta' neurons (Pauls et al., 2010).

Links to External Ontologies

VFB:FBbt_00110188

Annotations

Records annotated with this term OR any of its CHILD TERMS

Choose a record type to view annotations for this term and its child terms. Direct annotations and full annotation statements below also provide HitList buttons.

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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
Insertions (FBti)	EXPRESSION_STAGE_TISSUE_POSITION
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	Insertions	Constructs
medial lobe of larval mushroom body (all annotations which use CV term, excluding "NOT" statements)
medial lobe of larval mushroom body \| absent \| somatic clone \| third instar larval stage		--	--	--
medial lobe of larval mushroom body \| somatic clone \| third instar larval stage		--	--	--
medial lobe of larval mushroom body \| third instar larval stage		--	--	--

Spanning Tree (Parents/Children)

lobe system of mushroom body
 |__mushroom body medial lobe____________
 |__lobe system of larval mushroom body__|
embryonic/larval mushroom body           |
 |__lobe system of larval mushroom body__|
synaptic neuropil domain                 |
 |__mushroom body medial lobe____________|
mushroom body neuropil subdivision       |
 |__mushroom body medial lobe____________|
                                         medial lobe of larval mushroom body  20 rec.
                                          |__lateral appendix of larval mushroom body
                                          |__lower toe of larval mushroom body medial lobe
                                          |__M1 segment of the larval medial lobe
                                          |   |__intermediate toe of larval mushroom body medial lobe
                                          |   |__upper toe of larval mushroom body medial lobe
                                          |__M2 segment of the larval medial lobe

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	mushroom body medial lobe
Part of	lobe system of larval mushroom body
Synonyms & Secondary IDs
Synonyms
	"horizontal lobe of larval mushroom body" EXACT[ FlyBase:FBrf0211016 ]
Secondary IDs

External Crossreferences & Linkouts
	larvalbrain_neuropil:387 larvalbrain_neuropil:565 VFB:FBbt_00110188