FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
Help Close All Open All
General Information
Term transmedullary Y neuron TmY3 ID (Ontology) FBbt:00003820 (Fly Anatomy)
Definition Transmedullary Y neuron that terminates with bleb-type arborizations in lobula layers 4 and lobula plate layer 4. It displays fine arborizations in medulla layers M1, M2, M4, M5, M6, M8, and M10, and has bleb-type arborizations in medulla layers M5 and M10. It is cholinergic (Davis et al., 2020).[ FlyBase:FBrf0049410 FlyBase:FBrf0244935 ]
Also Known As "TmY3"
Comment 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_00003820
Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       3
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
   Insertions Constructs
 transmedullary Y neuron TmY3 (all annotations which use CV term, excluding "NOT" statements)       1      2      3      3
Spanning Tree (Parents/Children)
Only view relationship:
transmedullary neuron
 |__transmedullary Y neuron________________
cholinergic neuron                         |
 |__adult cholinergic neuron_______________|
adult neuron                               |
 |__adult cholinergic neuron_______________|
secondary neuron                           |
 |__Notch ON hemilineage secondary neuron__|
Notch ON hemilineage neuron                |
 |__Notch ON hemilineage secondary neuron__|
                                           transmedullary Y neuron TmY3  9 rec.
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a transmedullary Y neuron
Notch ON hemilineage secondary neuron
adult cholinergic neuron
Develops from immature transmedullary Y neuron TmY3
Part of
hide Synonyms & Secondary IDs
Synonyms
Secondary IDs
hide External Crossreferences & Linkouts
FlyBrain_NDB:10171
VFB:FBbt_00003820