FB2026_03 , released September 17, 2026
CV Term Report
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Term transmedullary Y neuron Rh4TmY ID (Ontology) FBbt:00110987 (Fly Anatomy)
Definition Transmedullary Y neuron that projects to medulla layers M7-M10, to all four lobula plate layers and to the innermost lobula layer (Lo1) in a columnar manner. In the medulla, it contacts to two to three columns while in the lobula it is three columns. It is synapsed by the photoreceptor cell R7 of yellow ommatidium.[ FlyBase:FBrf0225846 ]
Also Known As"Rh4TmY"
CommentEach of the Rh3TmY, Rh4TmY, Rh5TmY and Rh6TmY have distinct processes in the medulla but similar arborizations in the lobula and lobula plate (Jagadish et al., 2014).
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VFB:FBbt_00110987
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 transmedullary Y neuron Rh4TmY (all annotations which use CV term, excluding "NOT" statements)
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transmedullary Y neuron_____
adult glutamatergic neuron__|
                            transmedullary Y neuron vGlutTmYnew1
                             |__transmedullary Y neuron Rh4TmY  1 rec.
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VFB:FBbt_00110987