FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

transmedullary Y neuron TmY5

ID (Ontology)

FBbt:00003822 (Fly Anatomy)

Definition

Transmedullary Y narrow field neuron that terminates with both fine and bleb-type arborizations in lobula layers 5 and 6, and in lobula plate layers 1, 2, 3 and 4, but it has only fine arborizations in lobula layer 4. It has both fine and bleb-type arborizations in medulla layer M10, but displays only fine arborizations in medulla layers M3, M5, M6, the serpentine layer, M8 and M9 (Morante and Desplan, 2008; Fischbach and Dittrich, 1989). It is a cholinergic neuron (Varija Raghu et al., 2011).[ FlyBase:FBrf0049410 FlyBase:FBrf0204652 FlyBase:FBrf0212356 ]

Also Known As

"TmY5"

Comment

The neurotransmitter was assessed by co-labelling cells with a Cha-GAL4.7.4 driver (FBtp0014830) and an anti-ChAT antibody (Varija Raghu et al., 2011). Pre- versus postsynaptic innervation judged by scoring of terminal morphology from figures in Fischbach and Dittrich (1989) as assessed by FlyBrain Neuron DB.

Links to External Ontologies

VFB:FBbt_00003822

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
transmedullary Y neuron TmY5 (all annotations which use CV term, excluding "NOT" statements)

Spanning Tree (Parents/Children)

transmedullary neuron
 |__transmedullary Y neuron______________
 |__narrow field transmedullary neuron___|
cholinergic neuron                       |
 |__adult cholinergic neuron_____________|
adult neuron                             |
 |__adult cholinergic neuron_____________|
optic lobe narrow field columnar neuron  |
 |__narrow field transmedullary neuron___|
                                         transmedullary Y neuron TmY5  2 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	transmedullary Y neuron narrow field transmedullary neuron adult cholinergic neuron
Part of
Synonyms & Secondary IDs
Synonyms
	"TmY5" EXACT VFB_SYMBOL
Secondary IDs

External Crossreferences & Linkouts
	FlyBrain_NDB:10173 VFB:FBbt_00003822