FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
Help Close All Open All
General Information
Term adult H2 recurrent neuron ID (Ontology) FBbt:00053519 (Fly Anatomy)
Definition Adult unilateral interneuron that arborizes in the inferior posterior slope, receiving input from contralateral H2 cells and forming feedback connections selectively with them (Erginkaya et al., 2025). It is GABAergic (Erginkaya et al., 2025). There are approximately 5 of these cells per hemisphere (Erginkaya et al., 2025).[ FlyBase:FBrf0262578 ]
Also Known As "H2rn"
Comment Cell type identified in multiple EM datasets and identified at light level in Erginkaya et al. (2025). FlyWire subtypes based on annotations in Codex (2025-06-05).
Links to External Ontologies
VFB:FBbt_00053519
Annotations
Records annotated with this term OR any of its CHILD TERMS
No relevant records available
Records annotated with this exact term (annotations to child terms are NOT included)
No relevant records available
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
No relevant statements available
Spanning Tree (Parents/Children)
Only view relationship:
interneuron
 |__adult interneuron_______
GABAergic neuron            |
 |__adult GABAergic neuron__|
sensory system neuron       |
 |__visual system neuron____|
adult neuron                |
 |__adult GABAergic neuron__|
adult CNS neuron            |
 |__adult interneuron_______|
                            adult H2 recurrent neuron
                             |__adult CB3740 neuron
                             |__adult CB3748 neuron
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a visual system neuron
adult interneuron
adult GABAergic neuron
Part of
hide Synonyms & Secondary IDs
Synonyms
Secondary IDs
hide External Crossreferences & Linkouts
VFB:FBbt_00053519