FB2026_03 , released September 17, 2026
CV Term Report
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Term posterior ventrolateral protocerebrum ID (Ontology) FBbt:00040042 (Fly Anatomy)
Definition A glomerular, bilaterally paired synaptic neuropil domain lying in front of the posterior lateral protocerebrum (PLP), and above the wedge. The great commissure is at the boundary in the mid-level between the PLVP and PLP. It is contiguous with posterior lateral protocerebrum (PLP), which lies behind it. It houses many optic glomeruli formed by the terminals of neurons projecting from the optic lobe, primarily from the lobula. The boundary with the PLP, except at mid-level, is defined as the boundary between these glomeruli with different origins (lobula or lobula plate).[ FlyBase:FBrf0224194 ]
Also Known As"posterior VLP" ; "PVLP"
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VFB:FBbt_00040042
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Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
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 posterior ventrolateral protocerebrum (all annotations which use CV term, excluding "NOT" statements)
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multi-cell-component structure
 |__synaptic neuropil domain_____
synaptic neuropil                |
 |__synaptic neuropil domain_____|
synaptic neuropil block          |
 |__ventrolateral protocerebrum__|
ventrolateral neuropils          |
 |__ventrolateral protocerebrum__|
                                 posterior ventrolateral protocerebrum  163 rec.
                                  |__optic glomerulus of the PVLP 2 rec.
                                      |__LC4 optic glomerulus
                                      |__LC6 optic glomerulus
                                      |__LC9 optic glomerulus
                                      |__LC11 optic glomerulus
                                      |__LC13 optic glomerulus
                                      |__LC15 optic glomerulus
                                      |__LC16 optic glomerulus
                                      |__LC17 optic glomerulus
                                      |__LC21 optic glomerulus
                                      |__LC22 optic glomerulus
                                      |__LC24 optic glomerulus
                                      |__LPLC1 optic glomerulus
                                      |__LPLC2 optic glomerulus
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Is a synaptic neuropil domain
Part of ventrolateral protocerebrum
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VFB:FBbt_00040042