FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term posterior slope ID (Ontology) FBbt:00040072 (Fly Anatomy)
Definition Synaptic neuropil domain of the adult brain that is the inferior (ventral) part of the posterior cerebral ganglion, covering the area between the inferior bridge and the gnathal ganglion with its superior part lying behind the ventral complex. It contains extensive arborizations of ascending and descending neurons. Its superior boundary is the level above which such arborizations do not occur. It also contains the terminals of axons from the ocellar ganglia, projecting via the ocellar nerves.[ FlyBase:FBrf0212704 FlyBase:FBrf0224194 ]
Also Known As"PS"
CommentThe ventral complex corresponds to the caudal medial protocerebrum (CMP) and possibly includes part of the ventromedial protocerebrum (VMP) of Chiang et al. (2011) (Ito et al., 2014).
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VFB:FBbt_00040072
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Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
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 posterior slope (all annotations which use CV term, excluding "NOT" statements)
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adult cerebrum
 |__ventromedial neuropils______
multi-cell-component structure  |
 |__synaptic neuropil domain____|
synaptic neuropil               |
 |__synaptic neuropil domain____|
synaptic neuropil block         |
 |__ventromedial neuropils______|
                                posterior slope  36 rec.
                                 |__inferior posterior slope 25 rec.
                                 |__superior posterior slope 8 rec.
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Is a synaptic neuropil domain
Part of ventromedial neuropils
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VFB:FBbt_00040072